File size: 87,535 Bytes
3a5cf48 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 | # coding: utf-8
# -------------------------------------------------------------------
# 宝塔Linux面板
# -------------------------------------------------------------------
# Copyright (c) 2015-2099 宝塔软件(http://bt.cn) All rights reserved.
# -------------------------------------------------------------------
# Author: lwh <lwh@bt.cn>
# -------------------------------------------------------------------
import fnmatch
import os, sys, time
import json
import subprocess
from _stat import S_ISREG, S_ISDIR, S_ISLNK
from gevent.lock import BoundedSemaphore
import contextlib
# ------------------------------
# Docker安全检测
# ------------------------------
BASE_PATH = "/www/server/panel"
os.chdir(BASE_PATH)
sys.path.insert(0, "class/")
import public, re
from btdockerModel.dockerBase import dockerBase
def auto_progress(func):
"""
@name 自动增长进度条（装饰器）
@author lwh<2024-1-23>
"""
def wrapper(self, *args, **kwargs):
result = func(self, *args, **kwargs)
self.progress_percent += self.scan_percent
return result
return wrapper
class DockerImageInspector:
def __init__(self):
self.image_info = None
self.image_id = None
self._container_lock = BoundedSemaphore(1)
self._active_containers = set()
def open_image_by_id(self, image_id):
"""打开指定ID的镜像"""
self.image_id = image_id
return self
def get_image_info(self):
"""获取镜像详细信息"""
try:
cmd = f"docker inspect {self.image_id}"
result = subprocess.run(cmd.split(), capture_output=True, text=True)
# public.print_log("|===========result:{}".format(result))
if result.returncode == 0:
self.image_info = json.loads(result.stdout)[0]
return self.image_info
return None
except Exception as e:
print(f"获取镜像信息失败: {str(e)}")
return None
def ocispec_v1(self):
"""
获取镜像的OCI规范信息
返回包含配置和历史记录的字典
"""
if not self.image_info:
self.get_image_info()
if not self.image_info:
return {}
try:
# 获取配置信息
config = self.image_info.get('Config', {})
# 构造OCI规范格式
oci_spec = {
'created': self.image_info.get('Created'),
'architecture': self.image_info.get('Platform', 'amd64'), # 默认amd64
'os': self.image_info.get('Platform', 'linux'), # 默认linux
'config': {
'Env': config.get('Env', []),
'Cmd': config.get('Cmd', []),
'WorkingDir': config.get('WorkingDir', ''),
'Entrypoint': config.get('Entrypoint', []),
'ExposedPorts': config.get('ExposedPorts', {}),
'Volumes': config.get('Volumes', {}),
},
'history': []
}
# 使用docker history命令获取历史记录
try:
cmd = f"docker history --no-trunc --format '{{{{.CreatedBy}}}}' {self.image_id}"
result = subprocess.run(cmd, shell=True, capture_output=True, text=True)
if result.returncode == 0:
history_lines = result.stdout.strip().split('\n')
for line in history_lines:
if line: # 跳过空行
history_entry = {
'created': '', # 历史记录中可能没有具体时间
'created_by': line,
'empty_layer': line.startswith('#(nop)') # 判断是否为空层
}
oci_spec['history'].append(history_entry)
except Exception as e:
print(f"获取历史记录失败: {str(e)}")
return oci_spec
except Exception as e:
print(f"获取OCI规范信息失败: {str(e)}")
return {}
def reporefs(self):
"""获取镜像的仓库引用名称列表"""
if not self.image_info:
self.get_image_info()
refs = []
if self.image_info and 'RepoTags' in self.image_info:
refs.extend(self.image_info['RepoTags'])
return refs
def id(self):
"""获取镜像ID"""
return self.image_id
@contextlib.contextmanager
def _temp_container(self):
"""创建临时容器的上下文管理器"""
container_id = None
try:
with self._container_lock:
# 创建临时容器
cmd = f"docker create {self.image_id}"
result = subprocess.run(cmd.split(), capture_output=True, text=True)
if result.returncode != 0:
raise Exception(f"创建临时容器失败: {result.stderr}")
container_id = result.stdout.strip()
self._active_containers.add(container_id)
yield container_id
finally:
if container_id:
with self._container_lock:
try:
# 清理临时容器
subprocess.run(['docker', 'rm', container_id],
capture_output=True,
check=True)
self._active_containers.remove(container_id)
except Exception as e:
# public.print_log(f"清理临时容器失败 {container_id}: {str(e)}")
pass
def listdir(self, path):
"""列出指定路径下的所有文件和目录"""
try:
with self._temp_container() as container_id:
cmd = f"docker export {container_id} | tar -t"
result = subprocess.run(cmd, shell=True, capture_output=True, text=True)
files = set()
for line in result.stdout.splitlines():
line = line.strip().strip('/')
if not line:
continue
rel_path = os.path.relpath(line, path.strip('/'))
if rel_path.startswith('..'):
continue
parts = rel_path.split('/')
if len(parts) == 1:
files.add(parts[0])
return list(files)
except Exception as e:
return []
def walk(self, top):
"""遍历目录树"""
try:
with self._temp_container() as container_id:
cmd = f"docker export {container_id} | tar -t"
result = subprocess.run(cmd, shell=True, capture_output=True, text=True)
dir_tree = {}
for line in result.stdout.splitlines():
line = line.strip().strip('/')
if not line or not line.startswith(top.strip('/')):
continue
parts = line.split('/')
current_path = ''
for i, part in enumerate(parts):
parent_path = current_path
current_path = os.path.join(current_path, part) if current_path else part
if current_path not in dir_tree:
dir_tree[current_path] = {'dirs': set(), 'files': set()}
if i < len(parts) - 1:
dir_tree[parent_path]['dirs'].add(part)
else:
dir_tree[parent_path]['files'].add(part)
for dirpath in sorted(dir_tree.keys()):
if not dirpath.startswith(top.strip('/')):
continue
full_path = '/' + dirpath
dirs = sorted(dir_tree[dirpath]['dirs'])
files = sorted(dir_tree[dirpath]['files'])
yield full_path, dirs, files
except Exception as e:
yield top, [], []
def stat(self, path):
"""获取文件状态信息"""
try:
with self._temp_container() as container_id:
cmd = f"docker export {container_id} | tar -tvf - {path.lstrip('/')}"
result = subprocess.run(cmd, shell=True, capture_output=True, text=True)
if result.returncode != 0:
raise Exception("文件不存在")
info = result.stdout.strip().split(None, 5)[0:5]
mode, uid, gid, size = info[0], info[2], info[3], info[4]
class StatResult:
def __init__(self, mode, size, uid, gid):
self.st_mode = int(mode, 8)
self.st_size = int(size)
self.st_uid = int(uid)
self.st_gid = int(gid)
return StatResult(mode, size, uid, gid)
except Exception as e:
raise
def open(self, path, mode="rb"):
"""打开文件"""
try:
with self._temp_container() as container_id:
cmd = f"docker export {container_id} | tar -xOf - {path.lstrip('/')}"
result = subprocess.run(cmd, shell=True, capture_output=True)
if result.returncode != 0:
raise Exception("无法读取文件")
class FileWrapper:
def __init__(self, data):
self.data = data
self.position = 0
def read(self):
return self.data
def close(self):
pass
return FileWrapper(result.stdout)
except Exception as e:
raise
def cleanup(self):
"""清理所有活动的临时容器"""
with self._container_lock:
for container_id in list(self._active_containers):
try:
subprocess.run(['docker', 'rm', container_id],
capture_output=True,
check=True)
self._active_containers.remove(container_id)
except Exception as e:
# public.print_log(f"清理临时容器失败 {container_id}: {str(e)}")
pass
class main(dockerBase):
progress_percent = 0 # 扫描进度条
ids_percent = 0
scan_percent = 0
scan_score = 100 # 扫描分数
progress_content = "初始化扫描中..." # 扫描内容
sys_ver = "" # 系统类型
requirements_list = ["veinmind", "veinmind-common"]
docker_obj = "" # docker对象
image_name = "" # 镜像名称
send_time = "" # 记录发送时间
start_time = "" # 开始时间
def short_string(self, text):
"""
@name 缩短字符串为40个字符
"""
if len(text) <= 40:
return text
else:
return text[:37] + "..."
def short_string1(self, text):
"""
@name 缩短字符串中间部分保留前后
"""
if len(text) <= 30:
return text
else:
return text[:15] + "..." + text[-15:]
def get_image_list(self, get):
"""
@name 获取镜像id列表
@author lwh<2024-1-23>
@return
"""
# public.print_log("获取镜像id列表")
if not hasattr(get, "_ws"):
return True
from btdockerModel import imageModel
image_list = imageModel.main().image_list(get=public.dict_obj())
# public.print_log(image_list)
get._ws.send(public.GetJson({"end": True, "image_list": image_list}))
def send_image_ws(self, get, msg, detail="", repair="", status=1, end=False):
"""
@name 发送ws信息
@author lwh<2024-01-23>
@param msg string 扫描内容
@param status int 风险情况：1无风险，2告警，3危险
@param repair string 修复方案
@param end bool 是否结束
"""
now_time = time.time()
# 判断间隔时间是否小于100ms
if now_time - self.send_time <= 0.1 and not end and status == 1:
return
self.send_time = now_time
# 根据风险情况进行扣分
if status == 2:
score = 2
elif status == 3:
score = 5
else:
score = 0
# msg：扫描内容，score：当前分数，type：类型docker/image
get._ws.send(public.GetJson(
{
"end": end,
"image_name": self.image_name,
"status": status,
"detail": detail,
"msg": msg,
"repair": repair,
"score": score,
"type": "image"
}
))
def send_docker_ws(self, get, msg, repair="", status=1, end=True):
"""
@name 发送ws信息
@author lwh<2024-01-23>
@param msg string 扫描内容
@param status int 风险情况：1无风险，2告警，3危险
@param repair string 修复方案
@param end bool 是否结束
"""
# 根据风险情况进行扣分
if status == 2:
score = 2
elif status == 3:
score = 5
else:
score = 0
# msg：扫描内容，progress：扫描进度，score：当前分数
get._ws.send(public.GetJson(
{"end": end, "image_name": self.image_name, "status": status, "msg": msg, "repair": repair, "score": score,
"type": "docker"}))
def reduce_core(self, score):
"""
@name 减少总分
@author lwh<2024-01-23>
@param score int 需要减少的分数
@return self.scan_score int 所剩分数
"""
self.scan_score -= score
if self.scan_score < 0:
return 0
return self.scan_score
def fix_libdl_dependency(self):
"""修复libdl.so依赖"""
try:
# 检查系统中的libdl文件
result, _ = public.ExecShell("find /usr/lib /usr/lib64 /lib /lib64 -name 'libdl.so*' 2>/dev/null")
libdl_files = [x for x in result.strip().split('\n') if x]
if not libdl_files:
# 如果没有找到任何libdl.so文件，需要安装
sys_ver = public.get_os_version()
if "Ubuntu" in sys_ver or "Debian" in sys_ver:
public.ExecShell("apt-get update && apt-get install -y libc6-dev")
elif "CentOS" in sys_ver:
public.ExecShell("yum install -y glibc-devel")
# 重新检查
result, _ = public.ExecShell("find /usr/lib /usr/lib64 /lib /lib64 -name 'libdl.so*' 2>/dev/null")
libdl_files = [x for x in result.strip().split('\n') if x]
if not libdl_files:
return False
# 找到libdl.so.2文件
libdl_so2 = None
for f in libdl_files:
if 'libdl.so.2' in f:
libdl_so2 = f
break
if not libdl_so2:
return False
# 创建软链接
target_dirs = ['/usr/lib', '/usr/lib64', '/lib', '/lib64']
for dir_path in target_dirs:
if os.path.exists(dir_path):
link_path = os.path.join(dir_path, 'libdl.so')
if not os.path.exists(link_path):
public.ExecShell(f"ln -sf {libdl_so2} {link_path}")
return True
except Exception as e:
return False
def image_safe_scan(self, get):
"""
@name 镜像安全扫描入口函数
@author lwh@bt.cn
@time 2024-01-22
@param _ws
@return 返回服务器扫描项
"""
public.set_module_logs('docker', 'image_safe_scan', 1)
if not hasattr(get, "_ws"):
return True
if not hasattr(get, "image_id"):
return True
# 获取检测镜像
image_id = get.image_id
# 初始化时间
self.send_time = time.time()
# # 初始化安装检测SDK
# try:
# from veinmind import docker
# except Exception as e:
# public.print_log("导入veinmind失败：{}".format(e))
# # requirements_list = ["veinmind"]
# self.send_image_ws(get, msg="正在初始化检测引擎中，首次加载耗时可能较长...", status=1)
# # 安装veinmind
# shell_command = "btpip install --no-dependencies {}".format("veinmind")
# public.ExecShell(shell_command)
# # 安装系统依赖
# sys_ver = public.get_os_version()
# if "Ubuntu" in sys_ver or "Debian" in sys_ver:
# public.WriteFile("/etc/apt/sources.list.d/libveinmind.list",
# "deb [trusted=yes] https://download.veinmind.tech/libveinmind/apt/ ./")
# self.send_image_ws(get, msg="正在更新apt-get，首次加载耗时可能较长...", status=1)
# public.ExecShell("apt-get update")
# time.sleep(1)
# self.send_image_ws(get, msg="正在安装检测引擎，首次执行耗时可能较长...", status=1)
# public.ExecShell("apt-get install -y libveinmind-dev")
# time.sleep(1)
# elif "CentOS" in sys_ver:
# public.WriteFile("/etc/yum.repos.d/libveinmind.repo", """[libveinmind]
# name=libVeinMind SDK yum repository
# baseurl=https://download.veinmind.tech/libveinmind/yum/
# enabled=1
# gpgcheck=0""")
# self.send_image_ws(get, msg="正在更新yum缓存，首次加载耗时可能较长...", status=1)
# public.ExecShell("yum makecache")
# self.send_image_ws(get, msg="正在安装检测引擎，首次执行耗时可能较长...", status=1)
# public.ExecShell("yum install -y libveinmind-devel")
# else:
# self.send_image_ws(get, msg="不支持的系统版本{}".format(sys_ver), status=1)
# return public.returnMsg(False, "不支持的系统版本{}\n目前仅支持Debian、Ubuntu、Centos".format(sys_ver))
# # 修复libdl.so依赖
# self.send_image_ws(get, msg="正在检查libdl.so依赖库...", status=1)
# result, err = public.ExecShell("whereis libdl.so")
# result = result.strip().split(" ")
# # 存在卡死问题·，如果发现result为2，会卡死
# # if len(result) <= 1:
# # result, err = public.ExecShell("whereis libdl.so.2")
# # result = result.strip().split(" ")
# # if len(result) <= 1:
# # public.print_log("缺少libdl.so库，需要安装libdl.so或libdl.so2")
# # else:
# # # 建立libdl.so软链接至libdl.so.2
# # for lib in result[1:]:
# # ln_command = "ln -s {} {}".format(lib, lib[:-2])
# # public.ExecShell(ln_command)
# # 修复libdl.so依赖
# self.send_image_ws(get, msg="正在修复系统依赖...", status=1)
# if not self.fix_libdl_dependency():
# return public.returnMsg(False, "修复libdl.so依赖失败")
# try:
# from veinmind import docker
# except Exception as e:
# self.send_image_ws(get, msg="扫描完成:导入veinmind失败【{}】".format(e), end=True)
try:
# 自定义一个新的DockerImageInspector
docker_obj = DockerImageInspector()
# 打开镜像
image = docker_obj.open_image_by_id(image_id=image_id)
# 获取ref镜像名
refs = image.reporefs()
# # 获取docker对象
# docker_obj = docker.Docker()
# # 获取所有镜像id
# ids = docker_obj.list_image_ids()
# # 计算镜像进度占比
# self.ids_percent = math.floor(100 / len(ids))
# # 计算每个镜像扫描进度占比
# self.scan_percent = math.floor(self.ids_percent / 3)
# 开始镜像检测
# # for key, id in enumerate(ids):
# image = docker_obj.open_image_by_id(image_id=image_id)
# # 获取ref镜像名
# refs = image.reporefs()
if len(refs) > 0:
self.image_name = refs[0]
else:
self.image_name = image.id()
# 开始检测
self.send_image_ws(get, msg="正在扫描{}异常历史命令".format(self.image_name))
self.scan_history(get, image)
self.send_image_ws(get, msg="正在扫描{}敏感信息".format(self.image_name))
self.scan_sensitive(get, image)
self.send_image_ws(get, msg="正在扫描{}后门".format(self.image_name))
self.scan_backdoor(get, image)
self.send_image_ws(get, msg="正在扫描{}容器逃逸".format(self.image_name))
self.scan_escape(get, image)
self.send_image_ws(get, msg="{}扫描完成".format(self.image_name), end=True)
except Exception as e:
self.send_image_ws(get, msg="扫描镜像失败：{}".format(str(e)), end=True)
def scan_history(self, get, image):
"""
@name 异常历史命令
@author lwh@bt.cn
@time 2024-01-22
"""
instruct_set = (
"FROM", "CMD", "RUN", "LABEL", "MAINTAINER", "EXPOSE", "ENV", "ADD", "COPY", "ENTRYPOINT", "VOLUME", "USER",
"WORKDIR", "ARG", "ONBUILD", "STOPSIGNAL", "HEALTHCHECK", "SHELL")
rules = {
"rules": [
{"description": "Miner Repo", "instruct": "RUN", "match": ".*(xmrig|ethminer|miner)\\.git.*"},
{"description": "Unsafe Path", "instruct": "ENV", "match": "PATH=.*(|:)(/tmp|/dev/shm)"},
{
"description": "MySQL Shell Installation",
"instruct": "CMD"
}
]
}
ocispec = image.ocispec_v1()
if 'history' in ocispec.keys() and len(ocispec['history']) > 0:
for history in ocispec['history']:
if 'created_by' in history.keys():
created_by = history['created_by']
created_by_split = created_by.split("#(nop)")
if len(created_by_split) > 1:
command = "#(nop)".join(created_by_split[1:])
command = command.lstrip()
command_split = command.split()
if len(command_split) == 2:
instruct = command_split[0]
command_content = command_split[1]
# 如果是JSON格式的字符串，尝试解析
if command_content.startswith('[') and command_content.endswith(']'):
import json
parsed_content = json.loads(command_content)
if isinstance(parsed_content, list):
command_content = ' '.join(parsed_content)
# 移除引号和方括号
command_content = command_content.strip('[]"\' ')
# command_content = " ".join(command_split[1:])
for r in rules["rules"]:
if r["instruct"] == instruct:
if re.match(r["match"], command_content):
self.send_image_ws(
get,
status=0,
msg="发现可疑异常历史命令",
detail="发现镜像存在异常历史命令【{}】,可能会将恶意软件或代码在容器运行时植入宿主机系统，形成安全隐患".format(
self.short_string(command_content)),
repair="1.建议排查该命令是否是正常业务所需<br/>2.建议选择官方可靠的基础镜像，防止造成不必要的损失"
)
break
else:
instruct = command_split[0]
command_content = " ".join(command_split[1:])
for r in rules["rules"]:
if r["instruct"] == instruct:
if re.match(r["match"], command_content):
self.send_image_ws(
get,
status=0,
msg="发现可疑异常历史命令",
detail="发现镜像存在异常历史命令【{}】,可能会将恶意软件或代码在容器运行时植入宿主机系统，形成安全隐患".format(
self.short_string(command_content)),
repair="1.建议排查该命令是否是正常业务所需<br/>2.建议选择官方可靠的基础镜像，防止造成不必要的损失"
)
break
else:
command_split = created_by.split()
if command_split[0] in instruct_set:
for r in rules["rules"]:
if r["instruct"] == command_split[0]:
if re.match(r["match"], " ".join(command_split[1:])):
self.send_image_ws(
get,
msg="发现可疑异常历史命令",
status=0,
detail="发现镜像存在异常历史命令【{}】,可能会将恶意软件或代码在容器运行时植入宿主机系统，形成安全隐患".format(
self.short_string(" ".join(command_split[1:]))),
repair="1.建议排查该命令是否是正常业务所需<br/>2.建议选择官方可靠的基础镜像，防止造成不必要的损失"
)
break
else:
for r in rules["rules"]:
if r["instruct"] == "RUN":
if re.match(r["match"], created_by):
self.send_image_ws(
get,
msg="发现可疑异常历史命令",
status=0,
detail="发现镜像存在异常历史命令【{}】,可能会将恶意软件或代码在容器运行时植入宿主机系统，形成安全隐患".format(
self.short_string(created_by)),
repair="1.建议排查该命令是否是正常业务所需<br/>2.建议选择官方可靠的基础镜像，防止造成不必要的损失"
)
break
def scan_sensitive(self, get, image):
"""
@name 扫描镜像敏感数据
@author lwh<2024-1-22>
"""
# 敏感数据规则
rules = {
"whitelist": {"paths": ["/usr/**", "/lib/**", "/lib32/**", "/bin/**", "/sbin/**", "/var/lib/**", "/var/log/**",
"**/node_modules/**/*.md", "**/node_modules/**/test/**", "**/service/iam/examples_test.go",
"**/grafana/public/build/*.js"]}, "rules": [
{"id": 1, "name": "gitlab_personal_access_token", "description": "GitLab Personal Access Token",
"match": "glpat-[0-9a-zA-Z_\\-]{20}", "level": "high"},
{"id": 2, "name": "AWS", "description": "AWS Access Token", "match": "AKIA[0-9A-Z]{16}", "level": "high"},
{"id": 3, "name": "PKCS8 private key", "description": "PKCS8 private key",
"match": "-----BEGIN PRIVATE KEY-----", "level": "high"},
{"id": 4, "name": "RSA private key", "description": "RSA private key",
"match": "-----BEGIN RSA PRIVATE KEY-----", "level": "high"},
{"id": 5, "name": "SSH private key", "description": "SSH private key",
"match": "-----BEGIN OPENSSH PRIVATE KEY-----", "level": "high"},
{"id": 6, "name": "PGP private key", "description": "PGP private key",
"match": "-----BEGIN PGP PRIVATE KEY BLOCK-----", "level": "high"},
{"id": 7, "name": "Github Personal Access Token", "description": "Github Personal Access Token",
"match": "ghp_[0-9a-zA-Z]{36}", "level": "high"},
{"id": 8, "name": "Github OAuth Access Token", "description": "Github OAuth Access Token",
"match": "gho_[0-9a-zA-Z]{36}", "level": "high"},
{"id": 9, "name": "SSH (DSA) private key", "description": "SSH (DSA) private key",
"match": "-----BEGIN DSA PRIVATE KEY-----", "level": "high"},
{"id": 10, "name": "SSH (EC) private key", "description": "SSH (EC) private key",
"match": "-----BEGIN EC PRIVATE KEY-----", "level": "high"},
{"id": 11, "name": "Github App Token", "description": "Github App Token",
"match": "(ghu|ghs)_[0-9a-zA-Z]{36}", "level": "high"},
{"id": 12, "name": "Github Refresh Token", "description": "Github Refresh Token",
"match": "ghr_[0-9a-zA-Z]{76}", "level": "high"},
{"id": 13, "name": "Shopify shared secret", "description": "Shopify shared secret",
"match": "shpss_[a-fA-F0-9]{32}", "level": "high"},
{"id": 14, "name": "Shopify access token", "description": "Shopify access token",
"match": "shpat_[a-fA-F0-9]{32}", "level": "high"},
{"id": 15, "name": "Shopify custom app access token", "description": "Shopify custom app access token",
"match": "shpca_[a-fA-F0-9]{32}", "level": "high"},
{"id": 16, "name": "Shopify private app access token", "description": "Shopify private app access token",
"match": "shppa_[a-fA-F0-9]{32}", "level": "high"},
{"id": 17, "name": "Slack token", "description": "Slack token", "match": "xox[baprs]-([0-9a-zA-Z]{10,48})?",
"level": "high"},
{"id": 18, "name": "Stripe", "description": "Stripe", "match": "(?i)(sk|pk)_(test|live)_[0-9a-z]{10,32}",
"level": "high"}, {"id": 19, "name": "PyPI upload token", "description": "PyPI upload token",
"match": "pypi-AgEIcHlwaS5vcmc[A-Za-z0-9-_]{50,1000}", "level": "high"},
{"id": 20, "name": "Google (GCP) Service-account", "description": "Google (GCP) Service-account",
"match": "\\\"type\\\": \\\"service_account\\\"", "level": "medium"},
{"id": 21, "name": "Password in URL", "description": "Password in URL",
"match": "[a-zA-Z]{3,10}:\\/\\/[^$][^:@\\/\\n]{3,20}:[^$][^:@\\n\\/]{3,40}@.{1,100}", "level": "high"},
{"id": 22, "name": "Heroku API Key", "description": "Heroku API Key",
"match": "(?i)(?:heroku)(?:[0-9a-z\\-_\\t .]{0,20})(?:[\\s|']|[\\s|\"]){0,3}(?:=|>|:=|\\|\\|:|<=|=>|:)(?:'|\\\"|\\s|=|\\x60){0,5}([0-9A-F]{8}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{12})(?:['|\\\"|\\n|\\r|\\s|\\x60]|$)",
"level": "high"}, {"id": 23, "name": "Slack Webhook", "description": "Slack Webhook",
"match": "https://hooks.slack.com/services/T[a-zA-Z0-9_]{8}/B[a-zA-Z0-9_]{8,12}/[a-zA-Z0-9_]{24}",
"level": "medium"},
{"id": 24, "name": "Twilio API Key", "description": "Twilio API Key", "match": "SK[0-9a-fA-F]{32}",
"level": "high"}, {"id": 25, "name": "Age secret key", "description": "Age secret key",
"match": "AGE-SECRET-KEY-1[QPZRY9X8GF2TVDW0S3JN54KHCE6MUA7L]{58}", "level": "high"},
{"id": 26, "name": "Facebook token", "description": "Facebook token",
"match": "(?i)(facebook[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-f0-9]{32})['\\\"]",
"level": "high"}, {"id": 27, "name": "Twitter token", "description": "Twitter token",
"match": "(?i)(twitter[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-f0-9]{35,44})['\\\"]",
"level": "high"},
{"id": 28, "name": "Adobe Client ID (Oauth Web)", "description": "Adobe Client ID (Oauth Web)",
"match": "(?i)(adobe[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-f0-9]{32})['\\\"]",
"level": "medium"}, {"id": 29, "name": "Adobe Client Secret", "description": "Adobe Client Secret",
"match": "(p8e-)(?i)[a-z0-9]{32}", "level": "high"},
{"id": 30, "name": "Alibaba AccessKey ID", "description": "Alibaba AccessKey ID",
"match": "(LTAI5t)(?i)[a-z0-9]{18}", "level": "medium", "lock": True},
{"id": 31, "name": "Alibaba Secret Key", "description": "Alibaba Secret Key",
"match": "(?i)(alibaba[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-z0-9]{30})['\\\"]",
"level": "high"}, {"id": 32, "name": "Asana Client ID", "description": "Asana Client ID",
"match": "(?i)(asana[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([0-9]{16})['\\\"]",
"level": "medium"},
{"id": 33, "name": "Asana Client Secret", "description": "Asana Client Secret",
"match": "(?i)(asana[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-z0-9]{32})['\\\"]",
"level": "high"}, {"id": 34, "name": "Atlassian API token", "description": "Atlassian API token",
"match": "(?i)(atlassian[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-z0-9]{24})['\\\"]",
"level": "high"},
{"id": 35, "name": "Bitbucket client ID", "description": "Bitbucket client ID",
"match": "(?i)(bitbucket[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-z0-9]{32})['\\\"]",
"level": "medium"}, {"id": 36, "name": "Bitbucket client secret", "description": "Bitbucket client secret",
"match": "(?i)(bitbucket[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-z0-9_\\-]{64})['\\\"]",
"level": "high"},
{"id": 37, "name": "Beamer API token", "description": "Beamer API token",
"match": "(?i)(beamer[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"](b_[a-z0-9=_\\-]{44})['\\\"]",
"level": "high"}, {"id": 38, "name": "Clojars API token", "description": "Clojars API token",
"match": "(CLOJARS_)(?i)[a-z0-9]{60}", "level": "high"},
{"id": 39, "name": "Contentful delivery API token", "description": "Contentful delivery API token",
"match": "(?i)(contentful[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-z0-9\\-=_]{43})['\\\"]",
"level": "high"},
{"id": 40, "name": "Contentful preview API token", "description": "Contentful preview API token",
"match": "(?i)(contentful[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-z0-9\\-=_]{43})['\\\"]",
"level": "high"}, {"id": 41, "name": "Databricks API token", "description": "Databricks API token",
"match": "dapi[a-h0-9]{32}", "level": "high"},
{"id": 42, "name": "Discord API key", "description": "Discord API key",
"match": "(?i)(discord[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-h0-9]{64})['\\\"]",
"level": "high"}, {"id": 43, "name": "Discord client ID", "description": "Discord client ID",
"match": "(?i)(discord[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([0-9]{18})['\\\"]",
"level": "medium"},
{"id": 44, "name": "Discord client secret", "description": "Discord client secret",
"match": "(?i)(discord[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-z0-9=_\\-]{32})['\\\"]",
"level": "high"}, {"id": 45, "name": "Doppler API token", "description": "Doppler API token",
"match": "['\\\"](dp\\.pt\\.)(?i)[a-z0-9]{43}['\\\"]", "level": "high"},
{"id": 46, "name": "Dropbox API secret/key", "description": "Dropbox API secret/key",
"match": "(?i)(dropbox[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-z0-9]{15})['\\\"]",
"level": "high"},
{"id": 47, "name": "Dropbox short lived API token", "description": "Dropbox short lived API token",
"match": "(?i)(dropbox[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"](sl\\.[a-z0-9\\-=_]{135})['\\\"]",
"level": "high"},
{"id": 48, "name": "Dropbox long lived API token", "description": "Dropbox long lived API token",
"match": "(?i)(dropbox[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"][a-z0-9]{11}(AAAAAAAAAA)[a-z0-9\\-_=]{43}['\\\"]",
"level": "high"}, {"id": 49, "name": "Duffel API token", "description": "Duffel API token",
"match": "['\\\"]duffel_(test|live)_(?i)[a-z0-9_-]{43}['\\\"]", "level": "high"},
{"id": 50, "name": "Dynatrace API token", "description": "Dynatrace API token",
"match": "['\\\"]dt0c01\\.(?i)[a-z0-9]{24}\\.[a-z0-9]{64}['\\\"]", "level": "high"},
{"id": 51, "name": "EasyPost API token", "description": "EasyPost API token",
"match": "['\\\"]EZAK(?i)[a-z0-9]{54}['\\\"]", "level": "high"},
{"id": 52, "name": "EasyPost test API token", "description": "EasyPost test API token",
"match": "['\\\"]EZTK(?i)[a-z0-9]{54}['\\\"]", "level": "high"},
{"id": 53, "name": "Fastly API token", "description": "Fastly API token",
"match": "(?i)(fastly[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-z0-9\\-=_]{32})['\\\"]",
"level": "high"}, {"id": 54, "name": "Finicity client secret", "description": "Finicity client secret",
"match": "(?i)(finicity[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-z0-9]{20})['\\\"]",
"level": "high"},
{"id": 55, "name": "Finicity API token", "description": "Finicity API token",
"match": "(?i)(finicity[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-f0-9]{32})['\\\"]",
"level": "high"}, {"id": 56, "name": "Flutterweave public key", "description": "Flutterweave public key",
"match": "(?i)FLWPUBK_TEST-[a-h0-9]{32}-X", "level": "medium"},
{"id": 57, "name": "Flutterweave secret key", "description": "Flutterweave secret key",
"match": "(?i)FLWSECK_TEST-[a-h0-9]{32}-X", "level": "high"},
{"id": 58, "name": "Flutterweave encrypted key", "description": "Flutterweave encrypted key",
"match": "FLWSECK_TEST[a-h0-9]{12}", "level": "high"},
{"id": 59, "name": "Frame.io API token", "description": "Frame.io API token",
"match": "fio-u-(?i)[a-z0-9-_=]{64}", "level": "high"},
{"id": 60, "name": "GoCardless API token", "description": "GoCardless API token",
"match": "['\\\"]live_(?i)[a-z0-9-_=]{40}['\\\"]", "level": "high"},
{"id": 61, "name": "Grafana API token", "description": "Grafana API token",
"match": "['\\\"]eyJrIjoi(?i)[a-z0-9-_=]{72,92}['\\\"]", "level": "high"},
{"id": 62, "name": "Hashicorp Terraform user/org API token",
"description": "Hashicorp Terraform user/org API token",
"match": "['\\\"](?i)[a-z0-9]{14}\\.atlasv1\\.[a-z0-9-_=]{60,70}['\\\"]", "level": "high"},
{"id": 63, "name": "Hashicorp Vault batch token", "description": "Hashicorp Vault batch token",
"match": "b\\.AAAAAQ[0-9a-zA-Z_-]{156}", "level": "high"},
{"id": 64, "name": "Hubspot API token", "description": "Hubspot API token",
"match": "(?i)(hubspot[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-h0-9]{8}-[a-h0-9]{4}-[a-h0-9]{4}-[a-h0-9]{4}-[a-h0-9]{12})['\\\"]",
"level": "high"}, {"id": 65, "name": "Intercom API token", "description": "Intercom API token",
"match": "(?i)(intercom[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-z0-9=_]{60})['\\\"]",
"level": "high"},
{"id": 66, "name": "Intercom client secret/ID", "description": "Intercom client secret/ID",
"match": "(?i)(intercom[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-h0-9]{8}-[a-h0-9]{4}-[a-h0-9]{4}-[a-h0-9]{4}-[a-h0-9]{12})['\\\"]",
"level": "high"},
{"id": 67, "name": "Ionic API token", "description": "Ionic API token", "match": "ion_(?i)[a-z0-9]{42}",
"level": "high"}, {"id": 68, "name": "Linear API token", "description": "Linear API token",
"match": "lin_api_(?i)[a-z0-9]{40}", "level": "high"},
{"id": 69, "name": "Linear client secret/ID", "description": "Linear client secret/ID",
"match": "(?i)(linear[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-f0-9]{32})['\\\"]",
"level": "high"}, {"id": 70, "name": "Lob API Key", "description": "Lob API Key",
"match": "(?i)(lob[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]((live|test)_[a-f0-9]{35})['\\\"]",
"level": "high"},
{"id": 71, "name": "Lob Publishable API Key", "description": "Lob Publishable API Key",
"match": "(?i)(lob[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]((test|live)_pub_[a-f0-9]{31})['\\\"]",
"level": "high"}, {"id": 72, "name": "Mailchimp API key", "description": "Mailchimp API key",
"match": "(?i)(mailchimp[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-f0-9]{32}-us20)['\\\"]",
"level": "high"},
{"id": 73, "name": "Mailgun private API token", "description": "Mailgun private API token",
"match": "(?i)(mailgun[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"](key-[a-f0-9]{32})['\\\"]",
"level": "high"},
{"id": 74, "name": "Mailgun public validation key", "description": "Mailgun public validation key",
"match": "(?i)(mailgun[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"](pubkey-[a-f0-9]{32})['\\\"]",
"level": "high"},
{"id": 75, "name": "Mailgun webhook signing key", "description": "Mailgun webhook signing key",
"match": "(?i)(mailgun[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-h0-9]{32}-[a-h0-9]{8}-[a-h0-9]{8})['\\\"]",
"level": "high"}, {"id": 76, "name": "Mapbox API token", "description": "Mapbox API token",
"match": "(?i)(pk\\.[a-z0-9]{60}\\.[a-z0-9]{22})", "level": "high"},
{"id": 77, "name": "messagebird-api-token", "description": "MessageBird API token",
"match": "(?i)(messagebird[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-z0-9]{25})['\\\"]",
"level": "high"},
{"id": 78, "name": "MessageBird API client ID", "description": "MessageBird API client ID",
"match": "(?i)(messagebird[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-h0-9]{8}-[a-h0-9]{4}-[a-h0-9]{4}-[a-h0-9]{4}-[a-h0-9]{12})['\\\"]",
"level": "medium"}, {"id": 79, "name": "New Relic user API Key", "description": "New Relic user API Key",
"match": "['\\\"](NRAK-[A-Z0-9]{27})['\\\"]", "level": "high"},
{"id": 80, "name": "New Relic user API ID", "description": "New Relic user API ID",
"match": "(?i)(newrelic[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([A-Z0-9]{64})['\\\"]",
"level": "medium"}, {"id": 81, "name": "New Relic ingest browser API token",
"description": "New Relic ingest browser API token",
"match": "['\\\"](NRJS-[a-f0-9]{19})['\\\"]", "level": "high"},
{"id": 82, "name": "npm access token", "description": "npm access token",
"match": "['\\\"](npm_(?i)[a-z0-9]{36})['\\\"]", "level": "high"},
{"id": 83, "name": "Planetscale password", "description": "Planetscale password",
"match": "pscale_pw_(?i)[a-z0-9\\-_\\.]{43}", "level": "high"},
{"id": 84, "name": "Planetscale API token", "description": "Planetscale API token",
"match": "pscale_tkn_(?i)[a-z0-9\\-_\\.]{43}", "level": "high"},
{"id": 85, "name": "Postman API token", "description": "Postman API token",
"match": "PMAK-(?i)[a-f0-9]{24}\\-[a-f0-9]{34}", "level": "high"},
{"id": 86, "name": "Pulumi API token", "description": "Pulumi API token", "match": "pul-[a-f0-9]{40}",
"level": "high"}, {"id": 87, "name": "Rubygem API token", "description": "Rubygem API token",
"match": "rubygems_[a-f0-9]{48}", "level": "high"},
{"id": 88, "name": "Sendgrid API token", "description": "Sendgrid API token",
"match": "SG\\.(?i)[a-z0-9_\\-\\.]{66}", "level": "high"},
{"id": 89, "name": "Sendinblue API token", "description": "Sendinblue API token",
"match": "xkeysib-[a-f0-9]{64}\\-(?i)[a-z0-9]{16}", "level": "high"},
{"id": 90, "name": "Shippo API token", "description": "Shippo API token",
"match": "shippo_(live|test)_[a-f0-9]{40}", "level": "high"},
{"id": 91, "name": "Linkedin Client secret", "description": "Linkedin Client secret",
"match": "(?i)(linkedin[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-z]{16})['\\\"]",
"level": "high"}, {"id": 92, "name": "Linkedin Client ID", "description": "Linkedin Client ID",
"match": "(?i)(linkedin[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-z0-9]{14})['\\\"]",
"level": "medium"},
{"id": 93, "name": "Twitch API token", "description": "Twitch API token",
"match": "(?i)(twitch[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}['\\\"]([a-z0-9]{30})['\\\"]",
"level": "high"}, {"id": 94, "name": "Typeform API token", "description": "Typeform API token",
"match": "(?i)(typeform[a-z0-9_ .\\-,]{0,25})(=|>|:=|\\|\\|:|<=|=>|:).{0,5}(tfp_[a-z0-9\\-_\\.=]{59})",
"level": "high"},
{"id": 95, "name": "Social Security Number", "description": "Social Security Number",
"match": "\\d{3}-\\d{2}-\\d{4}", "level": "low"},
{"id": 96, "name": "Version Control File", "description": "Version Control File",
"filepath": ".*\\/\\.(git|svn)$", "level": "high"},
{"id": 97, "name": "Config File", "description": "Config File", "filepath": ".*\\/config\\.ini$",
"level": "medium"},
{"id": 99, "name": "Desktop Services Store", "description": "Desktop Services Store",
"filepath": " .*\\/\\.DS_Store$", "level": "low"},
{"id": 100, "name": "MySQL client command history file", "description": "MySQL client command history file",
"filepath": ".*\\/\\.(mysql|psql|irb)_history$", "level": "low"},
{"id": 101, "name": "Recon-ng web reconnaissance framework API key database",
"description": "Recon-ng web reconnaissance framework API key database",
"filepath": ".*\\/\\.recon-ng\\/keys\\.db$", "level": "medium"},
{"id": 102, "name": "DBeaver SQL database manager configuration file",
"description": "DBeaver SQL database manager configuration file",
"filepath": ".*\\/\\.dbeaver-data-sources\\.xml$", "level": "low"},
{"id": 103, "name": "S3cmd configuration file", "description": "S3cmd configuration file",
"filepath": ".*\\/\\.s3cfg$", "level": "low"},
{"id": 104, "name": "Ruby On Rails secret token configuration file",
"description": "If the Rails secret token is known, it can allow for remote code execution. (http://www.exploit-db.com/exploits/27527/)",
"filepath": ".*\\/secret_token\\.rb$", "level": "high"}, {"id": 105, "name": "OmniAuth configuration file",
"description": "The OmniAuth configuration file might contain client application secrets.",
"filepath": ".*\\/omniauth\\.rb$",
"level": "high"},
{"id": 106, "name": "Carrierwave configuration file",
"description": "Can contain credentials for online storage systems such as Amazon S3 and Google Storage.",
"filepath": ".*\\/carrierwave\\.rb$", "level": "high"},
{"id": 107, "name": "Potential Ruby On Rails database configuration file",
"description": "Might contain database credentials.", "filepath": ".*\\/database\\.yml$", "level": "high"},
{"id": 108, "name": "Django configuration file",
"description": "Might contain database credentials, online storage system credentials, secret keys, etc.",
"filepath": ".*\\/settings\\.py$", "level": "low"},
{"id": 109, "name": "PHP configuration file", "description": "Might contain credentials and keys.",
"filepath": ".*\\/config(\\.inc)?\\.php$", "level": "low"},
{"id": 110, "name": "Jenkins publish over SSH plugin file",
"description": "Jenkins publish over SSH plugin file",
"filepath": ".*\\/jenkins\\.plugins\\.publish_over_ssh\\.BapSshPublisherPlugin\\.xml$", "level": "high"},
{"id": 111, "name": "Potential Jenkins credentials file",
"description": "Potential Jenkins credentials file", "filepath": ".*\\/credentials\\.xml$",
"level": "high"}, {"id": 112, "name": "Apache htpasswd file", "description": "Apache htpasswd file",
"filepath": ".*\\/\\.htpasswd$", "level": "low"},
{"id": 113, "name": "Configuration file for auto-login process",
"description": "Might contain username and password.", "filepath": ".*\\/\\.(netrc|git-credentials)$",
"level": "high"}, {"id": 114, "name": "Potential MediaWiki configuration file",
"description": "Potential MediaWiki configuration file",
"filepath": ".*\\/LocalSettings\\.php$", "level": "high"},
{"id": 115, "name": "Rubygems credentials file",
"description": "Might contain API key for a rubygems.org account.",
"filepath": ".*\\/\\.gem\\/credentials$", "level": "high"},
{"id": 116, "name": "Potential MSBuild publish profile", "description": "Potential MSBuild publish profile",
"filepath": ".*\\/\\.pubxml(\\.user)?$", "level": "low"},
{"id": 117, "name": "Potential Tencent Accesskey", "description": "Might contain Tencent Accesskey",
"match": "AKID(?i)[a-z0-9]{32}", "level": "high"},
{"id": 118, "name": "Potential aws Accesskey", "description": "Might contain aws Accesskey",
"match": "(A3T[A-Z0-9]|AKIA|AGPA|AIDA|AROA|AIPA|ANPA|ANVA|ASIA)[A-Z0-9]{16}", "level": "high"},
{"id": 119, "name": "Potential UCloud Accesskey", "description": "Might contain UCloud Accesskey",
"match": "JDC_[A-z,0-9]{28}", "level": "high"},
{"id": 120, "name": "JWT TOKEN", "description": "Might JWT Token ",
"match": "ey[0-9a-zA-Z]{30,34}\\.ey[0-9a-zA-Z-\\/_]{30,500}\\.[0-9a-zA-Z-\\/_]{10,200}={0,2}",
"level": "medium"}, {"id": 121, "name": "Google API", "description": "Might Google API Key ",
"match": "AIza[0-9A-Za-z\\-_]{35}", "level": "medium"},
{"id": 122, "name": "gitlab_pipeline_trigger_token", "description": "GitLab Pipeline Trigger Token",
"match": "glptt-[0-9a-zA-Z_\\-]{20}", "level": "high"},
{"id": 123, "name": "gitlab_runner_registration_token", "description": "GitLab Runner Registration Token",
"match": "GR1348941[0-9a-zA-Z_\\-]{20}", "level": "high"},
{"id": 124, "name": "Flutterwave public key", "description": "Flutterwave public key",
"match": "FLWPUBK_TEST-(?i)[a-h0-9]{32}-X", "level": "high"},
{"id": 125, "name": "Flutterwave secret key", "description": "Flutterwave secret key",
"match": "FLWSECK_TEST-(?i)[a-h0-9]{32}-X", "level": "high"},
{"id": 126, "name": "Flutterwave encrypted key", "description": "Flutterwave encrypted key",
"match": "FLWSECK_TEST[a-h0-9]{12}", "level": "high"},
{"id": 127, "name": "github-app-token", "description": "GitHub App Token",
"match": "(ghu|ghs)_[0-9a-zA-Z]{36}", "level": "high"},
{"id": 128, "name": "github-fine-grained-pat", "description": "GitHub Fine-Grained Personal Access Token",
"match": "github_pat_[0-9a-zA-Z_]{82}", "level": "high"},
{"id": 129, "name": "grafana-cloud-api-token", "description": "Grafana cloud api token",
"match": "glc_[A-Za-z0-9+/]{32,400}={0,2}", "level": "high"},
{"id": 130, "name": "grafana-service-account-token", "description": "Grafana service account token",
"match": "glsa_[A-Za-z0-9]{32}_[A-Fa-f0-9]{8}", "level": "high"},
{"id": 131, "name": "prefect-api-token", "description": "Prefect API token", "match": "pnu_[a-z0-9]{36}",
"level": "medium"}]}
# # 排除大型项目
# EXCLUDE_DIRS = [
# "usr", "lib", "lib32", "lib64", "boot", "run", "media",
# "proc", "sys", "dev", "bin", "sbin"
# ]
# # 排查目录
# sensitive_dirs = []
# try:
# for filename in image.listdir("/"):
# if filename not in EXCLUDE_DIRS:
# sensitive_dirs.append("/"+filename)
# # 过滤掉不存在的目录
# valid_dirs = set()
# for dir_path in sensitive_dirs:
# try:
# stat_result = image.stat(dir_path)
# if S_ISDIR(stat_result.st_mode): # 确认是目录
# valid_dirs.add(dir_path)
# except:
# continue
# sensitive_dirs = valid_dirs
# except Exception as e:
# sensitive_dirs = ["/"]
# # 检测存在敏感数据的路径
# for sensitive_dir in sensitive_dirs:
# try:
# for root, dirs, files in image.walk(sensitive_dir):
# # 短暂停留0.004s，防止占用太高影响其他接口响应
# time.sleep(0.004)
# # 遍历深度不超过3层
# if len(root.split("/")) > 3:
# self.send_image_ws(get, msg=self.short_string1("正在扫描:{}".format(root)))
# continue
# # 发送扫描进度
# self.send_image_ws(get, msg=f"正在扫描: {root}")
# # 如果目录为空，记录日志并继续
# if not dirs and not files:
# self.send_image_ws(get, msg=f"跳过空目录: {root}")
# continue
# # 处理目录
# for d in dirs:
# try:
# dirpath = os.path.join(root, d)
# self.send_image_ws(get, msg=f"正在扫描: {dirpath}...")
# # 检测
# for r in rules["rules"]:
# if "filepath" in r.keys():
# if re.match(r["filepath"], dirpath):
# self.send_image_ws(
# get,
# msg="发现敏感目录{}".format(dirpath),
# detail="镜像存在敏感目录{}，可能会被攻击者利用窃取敏感数据或者源代码，导致进一步的安全问题".format(dirpath),
# repair="1.进入使用该镜像部署的容器，在不影响业务的情况下删除该目录<br/>2.若不能删除，则限制对目录的访问权限".format(dirpath),
# status=2
# )
# break
# except:
# pass
# for filename in files:
# try:
# filepath = os.path.join(root, filename)
# self.send_image_ws(get, msg="正在扫描:{}...".format(filename))
# # 跳过白名单
# whitelist = rules["whitelist"]
# white_match = False
# white_paths = whitelist["paths"]
# for wp in white_paths:
# if fnmatch.filter([filepath], wp):
# white_match = True
# break
# if white_match:
# continue
# try:
# # 跳过非常规文件，超过10m
# f_stat = image.stat(filepath)
# if not S_ISREG(f_stat.st_mode):
# continue
# if f_stat.st_size > 10 * 1024 * 1024:
# continue
# f = image.open(filepath, mode="rb")
# f_content_byte = f.read()
# except:
# continue
# # 检测文件路径及文件名
# match = False
# for r in rules["rules"]:
# if "filepath" in r.keys():
# filepath_match_regex = r["filepath"]
# if re.match(filepath_match_regex, filepath):
# match = True
# self.send_image_ws(
# get,
# msg="发现敏感文件{}".format(filepath),
# detail=r["description"] + "：<br/>发现镜像存在敏感文件{}，可能会造成泄露".format(filepath),
# repair="1.进入使用该镜像部署的容器，在不影响业务的情况下建议删除文件<br/>2.若无法删除，则限制文件的访问权限<br/>3.使用密码保护敏感文件不被轻易读取",
# status=2
# )
# break
# if match:
# continue
# except:
# pass
# except Exception as e:
# public.print_log("|===========遍历敏感文件时出错：{}".format(e))
# 排除系统目录
EXCLUDE_DIRS = {
"usr", "lib", "lib32", "lib64", "boot", "run", "media",
"proc", "sys", "dev", "bin", "sbin", "home"
}
def get_scan_dirs():
"""获取需要扫描的目录列表"""
try:
root_contents = image.listdir("/")
return ["/" + d for d in root_contents if d not in EXCLUDE_DIRS]
except Exception as e:
return ["/"]
def check_file_content(filepath, content, rules):
"""检查文件内容是否匹配敏感规则"""
try:
text_content = content.decode('utf-8', errors='ignore')
for rule in rules["rules"]:
if "match" in rule and re.search(rule["match"], text_content):
self.send_image_ws(
get,
msg=f"发现敏感信息: {filepath}",
detail=f"{rule['description']}: 在文件 {filepath} 中发现敏感信息",
repair="1.检查并清理敏感信息\n2.使用环境变量或安全的密钥管理系统",
status=2
)
return True
return False
except:
return False
def check_path_pattern(path, rules):
"""检查路径是否匹配敏感规则"""
for rule in rules["rules"]:
if "filepath" in rule and re.match(rule["filepath"], path):
self.send_image_ws(
get,
msg=f"发现敏感{'目录' if os.path.isdir(path) else '文件'}: {path}",
detail=f"{rule['description']}: 发现敏感路径 {path}，可能存在安全风险",
repair="1.检查并删除不必要的敏感文件/目录\n2.限制访问权限\n3.加密存储敏感信息",
status=2
)
return True
return False
try:
# 1. 获取待扫描目录
scan_dirs = get_scan_dirs()
# 2. 遍历每个目录
for base_dir in scan_dirs:
try:
for root, dirs, files in image.walk(base_dir):
# 控制遍历深度
if len(root.split("/")) > 3:
continue
# 发送进度消息
self.send_image_ws(get, msg=f"正在扫描: {root}")
# 跳过空目录
if not dirs and not files:
continue
# 检查目录
for dirname in dirs[:]: # 使用切片创建副本
dirpath = os.path.join(root, dirname)
check_path_pattern(dirpath, rules)
# 检查文件
for filename in files:
try:
filepath = os.path.join(root, filename)
# 跳过白名单文件
if any(fnmatch.fnmatch(filepath, wp) for wp in rules["whitelist"]["paths"]):
continue
# 检查文件状态
try:
f_stat = image.stat(filepath)
if not S_ISREG(f_stat.st_mode) or f_stat.st_size > 10 * 1024 * 1024:
continue
# 读取文件内容
with image.open(filepath, mode="rb") as f:
content = f.read()
if not content: # 跳过空文件
continue
# 检查文件路径和内容
if check_path_pattern(filepath, rules):
continue
check_file_content(filepath, content, rules)
except Exception as e:
continue
except Exception as e:
continue
except Exception as e:
continue
except Exception as e:
# public.print_log(f"|===========扫描失败: {str(e)}")
pass
def scan_backdoor(self, get, image):
"""
@name 扫描后门
@author lwh<2024-1-23>
"""
backdoor_regex_list1 = [
# reverse shell
r'''(nc|ncat|netcat)\b.*(-e|--exec|-c)\b.*?\b(ba|da|z|k|c|a|tc|fi|sc)?sh\b''',
r'''python\w*\b.*\bsocket\b.*?\bconnect\b.*?\bsubprocess\b.*?\bsend\b.*?\bstdout\b.*?\bread\b''',
r'''python\w*\b.*\bsocket\b.*?\bconnect\b.*?\bos\.dup2\b.*?\b(call|spawn|popen)\b\s*\([^)]+?\b(ba|da|z|k|c|a|tc|fi|sc)?sh\b''',
r'''(sh|bash|dash|zsh)\b.*-c\b.*?\becho\b.*?\bsocket\b.*?\bwhile\b.*?\bputs\b.*?\bflush\b.*?\|\s*tclsh\b''',
r'''(sh|bash|dash|zsh)\b.*-c\b.*?\btelnet\b.*?\|&?.*?\b(ba|da|z|k|c|a|tc|fi|sc)?sh\b.*?\|&?\s*telnet\b''',
r'''(sh|bash|dash|zsh)\b.*-c\b.*?\bcat\b.*?\|&?.*?\b(ba|da|z|k|c|a|tc|fi|sc)?sh\b.*?\|\s*(nc|ncat)\b''',
r'''(sh|bash|dash|zsh)\b.*sh\s+(-i)?\s*>&?\s*/dev/(tcp|udp)/.*?/\d+\s+0>&\s*(1|2)''',
]
def bashrc():
"""
@name bashrc后门检测
"""
backdoor_regex_list = [r'''alias\s+ssh=[\'\"]{0,1}strace''', r'''alias\s+sudo=''']
bashrc_dirs = ["/home", "/root"]
for bashrc_dir in bashrc_dirs:
for root, dirs, files in image.walk(bashrc_dir):
for file in files:
if re.match(r'''^\.[\w]*shrc$''', file):
filepath = os.path.join(root, file)
else:
continue
try:
f = image.open(filepath, mode="r")
f_content = f.read()
for backdoor_regex in backdoor_regex_list:
if re.search(backdoor_regex, f_content):
self.send_image_ws(
get,
msg="发现bashrc后门{}".format(filepath),
detail="发现镜像存在bashrc后门：【{}】，恶意代码内容：<br/>{}".format(filepath,
self.short_string(
f_content)),
repair="1.进入使用该镜像部署的容器删除文件下的恶意代码<br/>2.排查容器是否已被入侵，更新容器内业务的访问令牌或账号密码<br/>3.建议更换官方镜像或其他可信的镜像部署容器",
status=3
)
for backdoor_regex in backdoor_regex_list1:
if re.search(backdoor_regex, f_content):
self.send_image_ws(
get,
msg="发现后门文件{}".format(filepath),
detail="发现镜像存在bashrc后门文件【{}】，恶意代码内容：<br/>{}".format(filepath,
self.short_string(
f_content)),
repair="1.进入使用该镜像部署的容器删除文件下的恶意代码<br/>2.排查容器是否已被入侵，更新容器内业务的访问令牌或账号密码<br/>3.建议更换官方镜像或其他可信的镜像部署容器",
status=3
)
except FileNotFoundError:
continue
except BaseException:
pass
def crontab():
"""
@name crontab后门检测
"""
cron_list = [
"/etc/crontab", "/etc/cron.hourly", "/etc/cron.daily",
"/etc/cron.weekly", "/etc/cron.monthly", "/etc/cron.d"
]
environment_regex = '''[a-zA-Z90-9]+\s*=\s*[^\s]+$'''
cron_regex = '''((\d{1,2}|\*)\s+){5}[a-zA-Z0-9]+\s+(.*)'''
backdoor_regex_list = [
# download
r'''^(wget|curl)\b'''
# mrig
r'''^([\w0-9]*mrig[\w0-9]*)\b'''
]
def detect_crontab_content(cron_f):
"""
@name 检查crontab内容
"""
result_dict = {}
for line in cron_f.readlines():
# preprocess
line = line.strip()
line = line.replace("\n", "")
# environment
if re.match(environment_regex, line): continue
m = re.match(cron_regex, line)
if m:
if len(m.groups()) == 3:
cmdline1 = m.group(3)
# for backdoor_regex in backdoor_regex_list:
# if re.search(backdoor_regex, cmdline1):
# result_dict[backdoor_regex] = cmdline1
for backdoor_regex in backdoor_regex_list1:
if re.search(backdoor_regex, cmdline1):
self.send_image_ws(
get,
msg="发现cron后门{}".format(filepath),
detail="发现镜像存在cron后门【{}】，恶意代码内容：<br/>{}".format(filepath,
self.short_string(
cmdline1)),
repair="1.进入使用该镜像部署的容器删除文件下的恶意代码<br/>2.排查容器是否已被入侵，更新容器内业务的访问令牌或账号密码<br/>3.建议更换官方镜像或其他可信的镜像部署容器",
status=3
)
result_dict[backdoor_regex] = cmdline1
else:
continue
return result_dict
for cron in cron_list:
try:
# filetype
cron_stat = image.stat(cron)
if S_ISDIR(cron_stat.st_mode):
for root, dirs, files in image.walk(cron):
for file in files:
filepath = os.path.join(root, file)
with image.open(filepath) as f:
result_dict = detect_crontab_content(f)
# if len(result_dict) > 0:
# for regex, cmdline in result_dict.items():
# self.send_image_ws(get, msg="发现cron后门{}".format(filepath), detail="镜像发现crontab后门：{}".format(filepath), repair="文件命中恶意特征{}，建议删除此镜像，并及时排查相关使用该镜像部署的容器，删除文件中的恶意代码".format(cmdline), status=3)
elif S_ISREG(cron_stat.st_mode):
with image.open(cron) as f:
result_dict = detect_crontab_content(f)
# if len(result_dict) > 0:
# for regex, cmdline in result_dict.items():
# self.send_image_ws(get, msg="发现cron后门{}".format(cron), detail="发现crontab后门：{}".format(cron),
# repair="文件命中恶意特征{}，建议删除此镜像，并及时排查相关使用该镜像部署的容器，删除文件中的恶意代码".format(
# cmdline), status=3)
except FileNotFoundError:
continue
def service():
"""
@name 服务后门
"""
service_dir_list = ["/etc/systemd/system"]
for service_dir in service_dir_list:
for root, dirs, files in image.walk(service_dir):
for file in files:
try:
filepath = os.path.join(root, file)
f = image.open(filepath, mode="r")
f_content = f.read()
for backdoor_regex in backdoor_regex_list1:
if re.search(backdoor_regex, f_content):
self.send_image_ws(
get,
msg="发现system后门:{}".format(filepath),
detail="发现镜像存在systemd后门文件【{}】，恶意代码内容：<br/>{}".format(filepath,
self.short_string(
f_content)),
repair="1.进入使用该镜像部署的容器删除文件下的恶意代码<br/>2.排查容器是否已被入侵，更新容器内业务的访问令牌或账号密码<br/>3.建议更换官方镜像或其他可信的镜像部署容器",
status=3
)
except FileNotFoundError:
continue
except BaseException:
pass
def sshd():
"""
@name sshd软链接后门检测，支持检测常规软连接后门
"""
rootok_list = ("su", "chsh", "chfn", "runuser")
sshd_dirs = ["/home", "/root", "/tmp"]
for sshd_dir in sshd_dirs:
for root, dirs, files in image.walk(sshd_dir):
for f in files:
try:
filepath = os.path.join(root, f)
f_lstat = image.lstat(filepath)
if S_ISLNK(f_lstat.st_mode):
f_link = image.evalsymlink(filepath)
f_exename = filepath.split("/")[-1]
f_link_exename = f_link.split("/")[-1]
if f_exename in rootok_list and f_link_exename == "sshd":
self.send_image_ws(
get,
msg="发现sshd后门{}".format(filepath),
detail="发现sshd软链接后门：{}，文件命中恶意特征【exe={};link_file={}】".format(
filepath, f_exename, f_link),
repair="1.进入使用该镜像部署的容器删除文件下的恶意代码<br/>2.排查容器是否已被入侵，更新容器内业务的访问令牌或账号密码<br/>3.建议更换官方镜像或其他可信的镜像部署容器",
status=3
)
except FileNotFoundError:
continue
except BaseException as e:
pass
def tcpwrapper():
"""
@name tcpwrapper后门检测
"""
wrapper_config_file_list = ['/etc/hosts.allow', '/etc/hosts.deny']
for config_filepath in wrapper_config_file_list:
try:
with image.open(config_filepath, mode="r") as f:
f_content = f.read()
for backdoor_regex in backdoor_regex_list1:
if re.search(backdoor_regex, f_content):
self.send_image_ws(
get,
msg="发现tcpwrapper后门{}".format(config_filepath),
detail="发现镜像存在tcpwrapper后门文件【{}】，恶意代码内容：<br/>{}".format(
config_filepath, self.short_string(f_content)),
repair="1.进入使用该镜像部署的容器删除文件下的恶意代码<br/>2.排查容器是否已被入侵，更新容器内业务的访问令牌或账号密码<br/>3.建议更换官方镜像或其他可信的镜像部署容器",
status=3
)
except FileNotFoundError:
continue
except BaseException as e:
pass
# 执行后门检测函数
bashrc()
crontab()
service()
sshd()
tcpwrapper()
def scan_privilege_escalation(self, get, image):
"""
@name 提权风险
@author lwh<2024-01-24>
"""
def scan_escape(self, get, image):
"""
@name 逃逸风险
@author lwh<2024-01-24>
"""
def sudoers():
"""
@name sudo逃逸
"""
sudo_regex = "(\w{1,})\s\w{1,}=\(.*\)\s(.*)"
unsafe_sudo_files = ["wget", "find", "cat", "apt", "zip", "xxd", "time", "taskset", "git", "sed", "pip",
"tmux", "scp", "perl", "bash", "less", "awk", "man", "vim", "env", "ftp"]
try:
with image.open("/etc/sudoers", mode="r") as f:
lines = f.readlines()
for line in lines:
line = line.strip()
if line.startswith("#"):
continue
matches = re.findall(sudo_regex, line)
if len(matches) == 1:
user, sudo_command = matches[0]
if user.lower() in ["admin", "sudo", "root"]:
continue
for unsafe_sudo_file in unsafe_sudo_files:
if unsafe_sudo_file in sudo_command.lower():
self.send_image_ws(
get,
msg="发现存在逃逸风险用户{}".format(user),
detail="用户名{}可能通过命令【{}】完成容器逃逸，使得攻击者获取宿主机的访问权限或者其他容器的权限。恶意内容：<br/>{}".format(
user, sudo_command, line),
status=3,
repair="1.建议删除镜像或不再使用<br/>2.若已有业务使用该镜像，则进入容器环境，删除/etc/sudoers文件内包含用户{}的内容".format(
user)
)
break
except Exception as e:
# public.print_log(e)
return
# 开始检测
sudoers()
def scan_log4j2(self, get, image):
"""
@name 扫描是否存在log4j漏洞
@author lwh<2024-01-26>
"""
# def veinmind():
# from veinmind import docker
# client = docker.Docker()
# ids = client.list_image_ids()
# # public.print_log(ids)
# for id in ids:
# image = client.open_image_by_id(id)
# # public.print_log("image id: " + image.id())
# for ref in image.reporefs():
# pass
# # public.print_log("image ref: " + ref)
# for repo in image.repos():
# pass
# # public.print_log("image repo: " + repo)
# # public.print_log("image ocispec: " + str(image.ocispec_v1()))
if __name__ == '__main__':
# obj = main()
# get = public.dict_obj()
# obj.get_safe_scan(get=get)
# sudo_regex = "(\w{1,})\s\w{1,}=\(.*\)\s(.*)"
# unsafe_sudo_files = ["wget", "find", "cat", "apt", "zip", "xxd", "time", "taskset", "git", "sed", "pip", "ed",
# "tmux", "scp", "perl", "bash", "less", "awk", "man", "vi", "vim", "env", "ftp", "all"]
# try:
# with open("/tmp/sudoers.test", "r") as f:
# lines = f.readlines()
# for line in lines:
# line = line.strip()
# if line.startswith("#"):
# continue
# matches = re.findall(sudo_regex, line)
# if len(matches) == 1:
# user, sudo_file = matches[0]
# if user.lower() in ["admin", "sudo", "root"]:
# continue
# print(user.lower(), sudo_file.lower())
# for unsafe_sudo_file in unsafe_sudo_files:
# if unsafe_sudo_file in sudo_file.lower():
# print("用户有问题：{}".format(user))
# break
# except Exception as e:
# print(e)
# 初始化安装检测SDK
try:
from veinmind import docker
except Exception as e:
# public.print_log("导入veinmind失败：{}".format(e))
requirements_list = ["veinmind"]
shell_command = "btpip install --no-dependencies {}".format(" ".join(requirements_list))
public.ExecShell(shell_command)
sys_ver = public.get_os_version()
# self.send_image_ws(get, msg="正在初始化检测引擎中，首次加载耗时较长...", status=1)
if "Ubuntu" in sys_ver or "Debian" in sys_ver:
public.WriteFile("/etc/apt/sources.list.d/libveinmind.list",
"deb [trusted=yes] https://download.veinmind.tech/libveinmind/apt/ ./")
# public.print_log("正在更新apt-get")
public.ExecShell("apt-get update")
time.sleep(1)
public.ExecShell("apt-get install -y libveinmind-dev")
time.sleep(1)
elif "CentOS" in sys_ver:
public.WriteFile("/etc/yum.repos.d/libveinmind.repo", """[libveinmind]
name=libVeinMind SDK yum repository
baseurl=https://download.veinmind.tech/libveinmind/yum/
enabled=1
gpgcheck=0""")
public.ExecShell("yum makecache", timeout=10)
public.ExecShell("yum install -y libveinmind-devel", timeout=10)
else:
pass
# public.print_log("不支持的系统版本")
# return public.returnMsg(False, "不支持的系统版本")
# self.send_image_ws(get, msg="正在检查依赖库是否存在...", status=1)
result, err = public.ExecShell("whereis libdl.so")
result = result.strip().split(" ")
# public.print_log("libdl.so库的情况：{}".format(result))
if len(result) <= 1:
# public.print_log("缺少libdl.so库")
result, err = public.ExecShell("whereis libdl.so.2")
result = result.strip().split(" ")
# public.print_log("libdl.so.2库的情况：{}".format(result))
if len(result) <= 1:
# public.print_log("缺少libdl.so库，需要安装libdl.so或libdl.so2")
public.returnMsg(False, "缺少libdl.so库，需要安装libdl.so或libdl.so2")
else:
# 建立libdl.so软链接至libdl.so.2
for lib in result[1:]:
ln_command = "ln -s {} {}".format(lib, lib[:-2])
# public.print_log("正在软链接：{}".format(ln_command))
public.ExecShell(ln_command)
from veinmind import docker
# public.print_log("执行成功")
|