{"id":"e7be6119-fc37-43f0-ad4f-1f3f99be2f9f","title":"Copying Sensitive Files with Credential Data","description":"Files with well-known filenames (sensitive files with credential data) copying","author":"Teymur Kheirkhabarov, Daniil Yugoslavskiy, oscd.community","status":"test","level":"high","date":"2019-10-22","modified":"2024-06-04","tags":["attack.credential-access","attack.t1003.002","attack.t1003.003","car.2013-07-001","attack.s0404"],"technique_ids":["T1003.002","T1003.003"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Copying sensitive files for legitimate use (eg. backup) or forensic investigation by legitimate incident responder or forensic investigator."],"references":["https://room362.com/post/2013/2013-06-10-volume-shadow-copy-ntdsdit-domain-hashes-remotely-part-1/","https://www.slideshare.net/heirhabarov/hunting-for-credentials-dumping-in-windows-environment","https://dfironthemountain.wordpress.com/2018/12/06/locked-file-access-using-esentutl-exe/","https://github.com/LOLBAS-Project/LOLBAS/blob/2cc01b01132b5c304027a658c698ae09dd6a92bf/yml/OSBinaries/Esentutl.yml"],"source_path":"rules/windows/process_creation/proc_creation_win_esentutl_sensitive_file_copy.yml","source_sha256":"a713616da638570e6e01497af0d0cb501b4429aca2ecdaa2baa63bf21f5a137d","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_esentutl_sensitive_file_copy.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Copying Sensitive Files with Credential Data\nid: e7be6119-fc37-43f0-ad4f-1f3f99be2f9f\nstatus: test\ndescription: Files with well-known filenames (sensitive files with credential data) copying\nreferences:\n    - https://room362.com/post/2013/2013-06-10-volume-shadow-copy-ntdsdit-domain-hashes-remotely-part-1/\n    - https://www.slideshare.net/heirhabarov/hunting-for-credentials-dumping-in-windows-environment\n    - https://dfironthemountain.wordpress.com/2018/12/06/locked-file-access-using-esentutl-exe/\n    - https://github.com/LOLBAS-Project/LOLBAS/blob/2cc01b01132b5c304027a658c698ae09dd6a92bf/yml/OSBinaries/Esentutl.yml\nauthor: Teymur Kheirkhabarov, Daniil Yugoslavskiy, oscd.community\ndate: 2019-10-22\nmodified: 2024-06-04\ntags:\n    - attack.credential-access\n    - attack.t1003.002\n    - attack.t1003.003\n    - car.2013-07-001\n    - attack.s0404\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_esent_img:\n        - Image|endswith: '\\esentutl.exe'\n        - OriginalFileName: '\\esentutl.exe'\n    selection_esent_cli:\n        CommandLine|contains|windash:\n            - 'vss'\n            - ' /m '\n            - ' /y '\n    selection_susp_paths:\n        CommandLine|contains:\n            - '\\config\\RegBack\\sam'\n            - '\\config\\RegBack\\security'\n            - '\\config\\RegBack\\system'\n            - '\\config\\sam'\n            - '\\config\\security'\n            - '\\config\\system '        # space needed to avoid false positives with \\config\\systemprofile\\\n            - '\\repair\\sam'\n            - '\\repair\\security'\n            - '\\repair\\system'\n            - '\\windows\\ntds\\ntds.dit'\n    condition: all of selection_esent_* or selection_susp_paths\nfalsepositives:\n    - Copying sensitive files for legitimate use (eg. backup) or forensic investigation by legitimate incident responder or forensic investigator.\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1003.002","id":"T1003.002","name":"Security Account Manager","page":"techniques/enterprise/T1003.002/"},{"key":"enterprise/T1003.003","id":"T1003.003","name":"NTDS","page":"techniques/enterprise/T1003.003/"}],"data_path":"data/detection-rules/e7be6119-fc37-43f0-ad4f-1f3f99be2f9f.json","kind":"sigma"}