{"id":"84c174ab-d3ef-481f-9c86-a50d0b8e3edb","title":"PowerShell Get-Process LSASS in ScriptBlock","description":"Detects a Get-Process command on lsass process, which is in almost all cases a sign of malicious activity","author":"Florian Roth (Nextron Systems)","status":"test","level":"high","date":"2021-04-23","modified":"2022-12-25","tags":["attack.credential-access","attack.t1003.001"],"technique_ids":["T1003.001"],"logsource":{"product":"windows","category":"ps_script","definition":"Requirements: Script Block Logging must be enabled"},"falsepositives":["Legitimate certificate exports invoked by administrators or users (depends on processes in the environment - filter if unusable)"],"references":["https://web.archive.org/web/20220205033028/https://twitter.com/PythonResponder/status/1385064506049630211"],"source_path":"rules/windows/powershell/powershell_script/posh_ps_susp_getprocess_lsass.yml","source_sha256":"abb5e82589d29cb07bad179194d602064d987420c842c9e1b03c817c6ac6621e","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/powershell/powershell_script/posh_ps_susp_getprocess_lsass.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: PowerShell Get-Process LSASS in ScriptBlock\nid: 84c174ab-d3ef-481f-9c86-a50d0b8e3edb\nstatus: test\ndescription: Detects a Get-Process command on lsass process, which is in almost all cases a sign of malicious activity\nreferences:\n    - https://web.archive.org/web/20220205033028/https://twitter.com/PythonResponder/status/1385064506049630211\nauthor: Florian Roth (Nextron Systems)\ndate: 2021-04-23\nmodified: 2022-12-25\ntags:\n    - attack.credential-access\n    - attack.t1003.001\nlogsource:\n    product: windows\n    category: ps_script\n    definition: 'Requirements: Script Block Logging must be enabled'\ndetection:\n    selection:\n        ScriptBlockText|contains: 'Get-Process lsass'\n    condition: selection\nfalsepositives:\n    - Legitimate certificate exports invoked by administrators or users (depends on processes in the environment - filter if unusable)\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/84c174ab-d3ef-481f-9c86-a50d0b8e3edb.json","kind":"sigma"}