Query: Sigma YAML for windows / ps_script
Matching passage: Sigma rule: Detects suspicious PowerShell invocation command parameters. Logsource: windows / ps_script. Rule: title: Suspicious PowerShell Invocations - Specific id: ae7fbf8e-f3cb-49fd-8db4-5f3bed522c71 related: - id: fce5f582-cc00-41e1-941a-c6fabf0fdb8c type: obsolete - id: 8ff28fdd-e2fa-4dfa-aeda-ef3d61c62090 type: similar - id: 536e2947-3729-478c-9903-745aaffe60d2 type: similar status: test description: Detects suspicious PowerShell invocation command parameters references: - Internal Research - https://github.com/HackTricks-wiki/hacktricks/blob/e4c7b21b8f36c97c35b7c622732b38a189ce18f7/src/windows-hardening/windows-local-privilege-escalation/privilege-escalation-with-autorun-binaries.md author: Florian Roth (Nextron Systems), Jonhnathan Ribeiro date: 2017-03-05 modified: 2025-02-17 tags: - attack.execution - attack.t1059.001 logsource: product: windows category: ps_script definition: 'Requirements: Script Block Logging must be enabled' detection: selection_convert_b64: ScriptBlockText|contains|all: - -nop - ' -w ' - hidden - ' -c ' - '[Convert]::FromBase64String' selection_iex_selection: ScriptBlockText|contains|all: - ' -w ' - hidden - -noni - -nop - ' -c ' - iex - New-Object selection_enc_selection: ScriptBlockText|contains|all: - ' -w ' - hidden - -ep - bypass - -Enc selection_reg_selection: ScriptBlockText|contains|all: - powershell - reg - add ScriptBlockText|contains: - \software\microsoft\windows\currentversion\run - \software\wow6432node\microsoft\windows\currentversion\run - \software\microsoft\windows\currentversion\policies\explorer\run selection_webclient_selection: ScriptBlockText|contains|all: - bypass - -noprofile - -windowstyle - hidden - new-object - system.net.webclient - .download selection_iex_webclient: ScriptBlockText|contains|all: - iex - New-Object - Net.WebClient - .Download filter_chocolatey: ScriptBlockText|contains: - (New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1 - (New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1') - Write-ChocolateyWarning condition: 1 of selection_* and not 1 of filter_* falsepositives: - Unknown level: high
Near-miss passage: Sigma rule: Adversaries may establish persistence and elevate privileges by executing malicious content triggered by a Windows Manag. Logsource: windows / ps_script. Rule: title: Powershell WMI Persistence id: 9e07f6e7-83aa-45c6-998e-0af26efd0a85 status: test description: Adversaries may establish persistence and elevate privileges by executing malicious content triggered by a Windows Management Instrumentation (WMI) event subscription. references: - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1546.003/T1546.003.md - https://github.com/EmpireProject/Empire/blob/08cbd274bef78243d7a8ed6443b8364acd1fc48b/data/module_source/persistence/Persistence.psm1#L545 author: frack113 date: 2021-08-19 modified: 2022-12-25 tags: - attack.persistence - attack.privilege-escalation - attack.t1546.003 logsource: product: windows category: ps_script definition: 'Requirements: Script Block Logging must be enabled' detection: selection_ioc: - ScriptBlockText|contains|all: - 'New-CimInstance ' - '-Namespace root/subscription ' - '-ClassName __EventFilter ' - '-Property ' - ScriptBlockText|contains|all: - 'New-CimInstance ' - '-Namespace root/subscription ' - '-ClassName CommandLineEventConsumer ' - '-Property ' condition: selection_ioc falsepositives: - Unknown level: medium