{"id":"aae1243f-d8af-40d8-ab20-33fc6d0c55bc","title":"Suspicious Use of PsLogList","description":"Detects usage of the PsLogList utility to dump event log in order to extract admin accounts and perform account discovery or delete events logs","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"medium","date":"2021-12-18","modified":"2024-03-05","tags":["attack.discovery","attack.t1087","attack.t1087.001","attack.t1087.002"],"technique_ids":["T1087","T1087.001","T1087.002"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Another tool that uses the command line switches of PsLogList","Legitimate use of PsLogList by an administrator"],"references":["https://research.nccgroup.com/2021/01/12/abusing-cloud-services-to-fly-under-the-radar/","https://www.cybereason.com/blog/deadringer-exposing-chinese-threat-actors-targeting-major-telcos","https://github.com/3CORESec/MAL-CL/tree/master/Descriptors/Sysinternals/PsLogList","https://twitter.com/EricaZelic/status/1614075109827874817"],"source_path":"rules/windows/process_creation/proc_creation_win_sysinternals_psloglist.yml","source_sha256":"e9b4662b79a15855c6bfad570e5e60fd23cbb0bf0abe7d6c1f6697df9e9768ae","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_sysinternals_psloglist.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Suspicious Use of PsLogList\nid: aae1243f-d8af-40d8-ab20-33fc6d0c55bc\nstatus: test\ndescription: Detects usage of the PsLogList utility to dump event log in order to extract admin accounts and perform account discovery or delete events logs\nreferences:\n    - https://research.nccgroup.com/2021/01/12/abusing-cloud-services-to-fly-under-the-radar/\n    - https://www.cybereason.com/blog/deadringer-exposing-chinese-threat-actors-targeting-major-telcos\n    - https://github.com/3CORESec/MAL-CL/tree/master/Descriptors/Sysinternals/PsLogList\n    - https://twitter.com/EricaZelic/status/1614075109827874817\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2021-12-18\nmodified: 2024-03-05\ntags:\n    - attack.discovery\n    - attack.t1087\n    - attack.t1087.001\n    - attack.t1087.002\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_img:\n        - OriginalFileName: 'psloglist.exe'\n        - Image|endswith:\n              - '\\psloglist.exe'\n              - '\\psloglist64.exe'\n    selection_cli_eventlog:\n        CommandLine|contains:\n            - ' security'\n            - ' application'\n            - ' system'\n    selection_cli_flags:\n        CommandLine|contains|windash:\n            - ' -d'\n            - ' -x'\n            - ' -s'\n            - ' -c' # Clear event log after displaying\n            - ' -g' # Export an event log as an evt file.\n    condition: all of selection_*\nfalsepositives:\n    - Another tool that uses the command line switches of PsLogList\n    - Legitimate use of PsLogList by an administrator\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1087","id":"T1087","name":"Account Discovery","page":"techniques/enterprise/T1087/"},{"key":"enterprise/T1087.001","id":"T1087.001","name":"Local Account","page":"techniques/enterprise/T1087.001/"},{"key":"enterprise/T1087.002","id":"T1087.002","name":"Domain Account","page":"techniques/enterprise/T1087.002/"}],"data_path":"data/detection-rules/aae1243f-d8af-40d8-ab20-33fc6d0c55bc.json","kind":"sigma"}