{"id":"cae80281-ef23-44c5-873b-fd48d2666f49","title":"PowerShell Script Change Permission Via Set-Acl - PsScript","description":"Detects PowerShell scripts set ACL to of a file or a folder","author":"frack113, Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"low","date":"2023-07-18","modified":"","tags":["attack.defense-impairment","attack.t1222"],"technique_ids":["T1222"],"logsource":{"product":"windows","category":"ps_script","definition":"bade5735-5ab0-4aa7-a642-a11be0e40872"},"falsepositives":["Unknown"],"references":["https://github.com/redcanaryco/atomic-red-team/blob/74438b0237d141ee9c99747976447dc884cb1a39/atomics/T1505.005/T1505.005.md"],"source_path":"rules/windows/powershell/powershell_script/posh_ps_set_acl.yml","source_sha256":"449daa5c12848b20ac6248b71683d5070a8110b038eb47cb99472b5cd731769a","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/powershell/powershell_script/posh_ps_set_acl.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 Script Change Permission Via Set-Acl - PsScript\nid: cae80281-ef23-44c5-873b-fd48d2666f49\nrelated:\n    - id: 0944e002-e3f6-4eb5-bf69-3a3067b53d73 # ProcCreation Susp\n      type: derived\n    - id: bdeb2cff-af74-4094-8426-724dc937f20a # ProcCreation Low\n      type: derived\n    - id: 3bf1d859-3a7e-44cb-8809-a99e066d3478 # PsScript High\n      type: derived\nstatus: test\ndescription: Detects PowerShell scripts set ACL to of a file or a folder\nreferences:\n    - https://github.com/redcanaryco/atomic-red-team/blob/74438b0237d141ee9c99747976447dc884cb1a39/atomics/T1505.005/T1505.005.md\nauthor: frack113, Nasreddine Bencherchali (Nextron Systems)\ndate: 2023-07-18\ntags:\n    - attack.defense-impairment\n    - attack.t1222\nlogsource:\n    product: windows\n    category: ps_script\n    definition: bade5735-5ab0-4aa7-a642-a11be0e40872\ndetection:\n    selection:\n        ScriptBlockText|contains|all:\n            - 'Set-Acl '\n            - '-AclObject '\n            - '-Path '\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: low\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1222","id":"T1222","name":"File and Directory Permissions Modification","page":"techniques/enterprise/T1222/"}],"data_path":"data/detection-rules/cae80281-ef23-44c5-873b-fd48d2666f49.json","kind":"sigma"}