{"id":"c2c76b77-32be-4d1f-82c9-7e544bdfe0eb","title":"Potential Suspicious Activity Using SeCEdit","description":"Detects potential suspicious behaviour using secedit.exe. Such as exporting or modifying the security policy","author":"Janantha Marasinghe","status":"test","level":"medium","date":"2022-11-18","modified":"2022-12-30","tags":["attack.collection","attack.discovery","attack.persistence","attack.credential-access","attack.privilege-escalation","attack.execution","attack.stealth","attack.defense-impairment","attack.t1685.001","attack.t1547.001","attack.t1505.005","attack.t1556.002","attack.t1685","attack.t1574.007","attack.t1564.002","attack.t1546.008","attack.t1546.007","attack.t1547.014","attack.t1547.010","attack.t1547.002","attack.t1557","attack.t1082"],"technique_ids":["T1082","T1505.005","T1546.007","T1546.008","T1547.001","T1547.002","T1547.010","T1547.014","T1556.002","T1557","T1564.002","T1574.007","T1685","T1685.001"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Legitimate administrative use"],"references":["https://blueteamops.medium.com/secedit-and-i-know-it-595056dee53d","https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/secedit"],"source_path":"rules/windows/process_creation/proc_creation_win_secedit_execution.yml","source_sha256":"cfc1d16a16bb249a4ac0692a303e6385fec1d486c7457b2ef8b09665fd5fc718","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_secedit_execution.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Potential Suspicious Activity Using SeCEdit\nid: c2c76b77-32be-4d1f-82c9-7e544bdfe0eb\nstatus: test\ndescription: Detects potential suspicious behaviour using secedit.exe. Such as exporting or modifying the security policy\nreferences:\n    - https://blueteamops.medium.com/secedit-and-i-know-it-595056dee53d\n    - https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/secedit\nauthor: Janantha Marasinghe\ndate: 2022-11-18\nmodified: 2022-12-30\ntags:\n    - attack.collection\n    - attack.discovery\n    - attack.persistence\n    - attack.credential-access\n    - attack.privilege-escalation\n    - attack.execution\n    - attack.stealth\n    - attack.defense-impairment\n    - attack.t1685.001\n    - attack.t1547.001\n    - attack.t1505.005\n    - attack.t1556.002\n    - attack.t1685\n    - attack.t1574.007\n    - attack.t1564.002\n    - attack.t1546.008\n    - attack.t1546.007\n    - attack.t1547.014\n    - attack.t1547.010\n    - attack.t1547.002\n    - attack.t1557\n    - attack.t1082\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_img:\n        - Image|endswith: '\\secedit.exe'\n        - OriginalFileName: 'SeCEdit'\n    selection_flags_discovery:\n        CommandLine|contains|all:\n            - '/export'\n            - '/cfg'\n    selection_flags_configure:\n        CommandLine|contains|all:\n            - '/configure'\n            - '/db'\n    # filter:\n    #     SubjectUserName|endswith: '$'  SubjectUserName is from event ID 4719 in the Windows Security log\n    condition: selection_img and (1 of selection_flags_*)\nfalsepositives:\n    - Legitimate administrative use\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1082","id":"T1082","name":"System Information Discovery","page":"techniques/enterprise/T1082/"},{"key":"enterprise/T1505.005","id":"T1505.005","name":"Terminal Services DLL","page":"techniques/enterprise/T1505.005/"},{"key":"enterprise/T1546.007","id":"T1546.007","name":"Netsh Helper DLL","page":"techniques/enterprise/T1546.007/"},{"key":"enterprise/T1546.008","id":"T1546.008","name":"Accessibility Features","page":"techniques/enterprise/T1546.008/"},{"key":"enterprise/T1547.001","id":"T1547.001","name":"Registry Run Keys / Startup Folder","page":"techniques/enterprise/T1547.001/"},{"key":"enterprise/T1547.002","id":"T1547.002","name":"Authentication Package","page":"techniques/enterprise/T1547.002/"},{"key":"enterprise/T1547.010","id":"T1547.010","name":"Port Monitors","page":"techniques/enterprise/T1547.010/"},{"key":"enterprise/T1547.014","id":"T1547.014","name":"Active Setup","page":"techniques/enterprise/T1547.014/"},{"key":"enterprise/T1556.002","id":"T1556.002","name":"Password Filter DLL","page":"techniques/enterprise/T1556.002/"},{"key":"enterprise/T1557","id":"T1557","name":"Adversary-in-the-Middle","page":"techniques/enterprise/T1557/"},{"key":"enterprise/T1564.002","id":"T1564.002","name":"Hidden Users","page":"techniques/enterprise/T1564.002/"},{"key":"enterprise/T1574.007","id":"T1574.007","name":"Path Interception by PATH Environment Variable","page":"techniques/enterprise/T1574.007/"},{"key":"enterprise/T1685","id":"T1685","name":"Disable or Modify Tools","page":"techniques/enterprise/T1685/"},{"key":"enterprise/T1685.001","id":"T1685.001","name":"Disable or Modify Windows Event Log","page":"techniques/enterprise/T1685.001/"}],"data_path":"data/detection-rules/c2c76b77-32be-4d1f-82c9-7e544bdfe0eb.json","kind":"sigma"}