{"id":"736ffa74-5f6f-44ca-94ef-1c0df4f51d2a","title":"HackTool - CrackMapExec File Indicators","description":"Detects file creation events with filename patterns used by CrackMapExec.","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"high","date":"2024-03-11","modified":"2024-06-27","tags":["attack.credential-access","attack.t1003.001"],"technique_ids":["T1003.001"],"logsource":{"product":"windows","category":"file_event"},"falsepositives":["Unknown"],"references":["https://github.com/byt3bl33d3r/CrackMapExec/"],"source_path":"rules/windows/file/file_event/file_event_win_hktl_crackmapexec_indicators.yml","source_sha256":"541397b6a680046075615d34f92783e713ae070620f089b2fe820fa3396965cd","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/file/file_event/file_event_win_hktl_crackmapexec_indicators.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: HackTool - CrackMapExec File Indicators\nid: 736ffa74-5f6f-44ca-94ef-1c0df4f51d2a\nrelated:\n    - id: 9433ff9c-5d3f-4269-99f8-95fc826ea489\n      type: obsolete\nstatus: test\ndescription: Detects file creation events with filename patterns used by CrackMapExec.\nreferences:\n    - https://github.com/byt3bl33d3r/CrackMapExec/\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2024-03-11\nmodified: 2024-06-27\ntags:\n    - attack.credential-access\n    - attack.t1003.001\nlogsource:\n    product: windows\n    category: file_event\ndetection:\n    selection_path:\n        TargetFilename|startswith: 'C:\\Windows\\Temp\\' # The disk extension is hardcoded in the tool.\n    selection_names_str:\n        TargetFilename|endswith:\n            - '\\temp.ps1' # https://github.com/byt3bl33d3r/CrackMapExec/blob/3c3e412193cb6d3237abe90c543e5d995bfa4447/cme/modules/keepass_trigger.py#L42C41-L42C68\n            - '\\msol.ps1' # https://github.com/byt3bl33d3r/CrackMapExec/blob/3c3e412193cb6d3237abe90c543e5d995bfa4447/cme/modules/msol.py#L48C98-L48C106\n    selection_names_re:\n        - TargetFilename|re: '\\\\[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}\\.txt$' # https://github.com/byt3bl33d3r/CrackMapExec/blob/3c3e412193cb6d3237abe90c543e5d995bfa4447/cme/protocols/wmi/wmiexec.py#L86\n        - TargetFilename|re: '\\\\[a-zA-Z]{8}\\.tmp$' # https://github.com/byt3bl33d3r/CrackMapExec/blob/3c3e412193cb6d3237abe90c543e5d995bfa4447/cme/protocols/smb/atexec.py#L145C19-L146\n    condition: selection_path and 1 of selection_names_*\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1003.001","id":"T1003.001","name":"LSASS Memory","page":"techniques/enterprise/T1003.001/"}],"data_path":"data/detection-rules/736ffa74-5f6f-44ca-94ef-1c0df4f51d2a.json","kind":"sigma"}