{"id":"11b1ed55-154d-4e82-8ad7-83739298f720","title":"NTDS.DIT Creation By Uncommon Process","description":"Detects creation of a file named \"ntds.dit\" (Active Directory Database) by an uncommon process or a process located in a suspicious directory","author":"Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"high","date":"2022-01-11","modified":"2022-07-14","tags":["attack.credential-access","attack.t1003.002","attack.t1003.003"],"technique_ids":["T1003.002","T1003.003"],"logsource":{"product":"windows","category":"file_event"},"falsepositives":["Unknown"],"references":["https://stealthbits.com/blog/extracting-password-hashes-from-the-ntds-dit-file/","https://adsecurity.org/?p=2398"],"source_path":"rules/windows/file/file_event/file_event_win_ntds_dit_uncommon_process.yml","source_sha256":"4436b490503eff6815d67437c67e4e34f6cb74c2fdbbcdd12565cfba9027d8e5","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/file/file_event/file_event_win_ntds_dit_uncommon_process.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: NTDS.DIT Creation By Uncommon Process\nid: 11b1ed55-154d-4e82-8ad7-83739298f720\nrelated:\n    - id: 4e7050dd-e548-483f-b7d6-527ab4fa784d\n      type: similar\nstatus: test\ndescription: Detects creation of a file named \"ntds.dit\" (Active Directory Database) by an uncommon process or a process located in a suspicious directory\nreferences:\n    - https://stealthbits.com/blog/extracting-password-hashes-from-the-ntds-dit-file/\n    - https://adsecurity.org/?p=2398\nauthor: Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems)\ndate: 2022-01-11\nmodified: 2022-07-14\ntags:\n    - attack.credential-access\n    - attack.t1003.002\n    - attack.t1003.003\nlogsource:\n    product: windows\n    category: file_event\ndetection:\n    selection_ntds:\n        TargetFilename|endswith: '\\ntds.dit'\n    selection_process_img:\n        Image|endswith:\n            # Add more suspicious processes as you see fit\n            - '\\cmd.exe'\n            - '\\cscript.exe'\n            - '\\mshta.exe'\n            - '\\powershell.exe'\n            - '\\pwsh.exe'\n            - '\\regsvr32.exe'\n            - '\\rundll32.exe'\n            - '\\wscript.exe'\n            - '\\wsl.exe'\n            - '\\wt.exe'\n    selection_process_paths:\n        Image|contains:\n            - '\\AppData\\'\n            - '\\Temp\\'\n            - '\\Public\\'\n            - '\\PerfLogs\\'\n    condition: selection_ntds and 1 of selection_process_*\nfalsepositives:\n    - Unknown\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/11b1ed55-154d-4e82-8ad7-83739298f720.json","kind":"sigma"}