{"id":"e54f5149-6ba3-49cf-b153-070d24679126","title":"Invoke-Obfuscation VAR++ LAUNCHER OBFUSCATION - PowerShell","description":"Detects Obfuscated Powershell via VAR++ LAUNCHER","author":"Timur Zinniatullin, oscd.community","status":"test","level":"high","date":"2020-10-13","modified":"2024-04-05","tags":["attack.stealth","attack.t1027","attack.execution","attack.t1059.001"],"technique_ids":["T1027","T1059.001"],"logsource":{"product":"windows","category":"ps_script","definition":"Requirements: Script Block Logging must be enabled"},"falsepositives":["Unknown"],"references":["https://github.com/SigmaHQ/sigma/issues/1009"],"source_path":"rules/windows/powershell/powershell_script/posh_ps_invoke_obfuscation_via_var.yml","source_sha256":"4cf1f3288d1bbcecda721c3420c4b6b315350f2413db78e323fc556ebc6e459f","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/powershell/powershell_script/posh_ps_invoke_obfuscation_via_var.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Invoke-Obfuscation VAR++ LAUNCHER OBFUSCATION - PowerShell\nid: e54f5149-6ba3-49cf-b153-070d24679126\nstatus: test\ndescription: Detects Obfuscated Powershell via VAR++ LAUNCHER\nreferences:\n    - https://github.com/SigmaHQ/sigma/issues/1009 # (Task27)\nauthor: Timur Zinniatullin, oscd.community\ndate: 2020-10-13\nmodified: 2024-04-05\ntags:\n    - attack.stealth\n    - attack.t1027\n    - attack.execution\n    - attack.t1059.001\nlogsource:\n    product: windows\n    category: ps_script\n    definition: 'Requirements: Script Block Logging must be enabled'\ndetection:\n    selection_4104:\n        ScriptBlockText|re: '(?i)&&set.*(\\{\\d\\}){2,}\\\\\"\\s+?-f.*&&.*cmd.*/c' # FPs with |\\/r\n    condition: selection_4104\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1027","id":"T1027","name":"Obfuscated Files or Information","page":"techniques/enterprise/T1027/"},{"key":"enterprise/T1059.001","id":"T1059.001","name":"PowerShell","page":"techniques/enterprise/T1059.001/"}],"data_path":"data/detection-rules/e54f5149-6ba3-49cf-b153-070d24679126.json","kind":"sigma"}