Query: Sigma YAML for windows / ps_module
Matching passage: Sigma rule: Detects Obfuscated Powershell via COMPRESS OBFUSCATION. Logsource: windows / ps_module. Rule: title: Invoke-Obfuscation COMPRESS OBFUSCATION - PowerShell Module id: 7034cbbb-cc55-4dc2-8dad-36c0b942e8f1 related: - id: 20e5497e-331c-4cd5-8d36-935f6e2a9a07 type: derived status: test description: Detects Obfuscated Powershell via COMPRESS OBFUSCATION references: - https://github.com/SigmaHQ/sigma/issues/1009 author: Timur Zinniatullin, oscd.community date: 2020-10-18 modified: 2022-11-29 tags: - attack.stealth - attack.t1027 - attack.execution - attack.t1059.001 logsource: product: windows category: ps_module definition: 0ad03ef1-f21b-4a79-8ce8-e6900c54b65b detection: selection_4103: Payload|contains|all: - new-object - text.encoding]::ascii Payload|contains: - system.io.compression.deflatestream - system.io.streamreader Payload|endswith: readtoend condition: selection_4103 falsepositives: - Unknown level: medium
Near-miss passage: Sigma rule: Detects the creation of known offensive powershell scripts used for exploitation. Logsource: windows / file_event. Rule: title: Malicious PowerShell Scripts - FileCreation id: f331aa1f-8c53-4fc3-b083-cc159bc971cb related: - id: 41025fd7-0466-4650-a813-574aaacbe7f4 type: similar status: test description: Detects the creation of known offensive powershell scripts used for exploitation references: - https://github.com/PowerShellMafia/PowerSploit - https://github.com/NetSPI/PowerUpSQL - https://github.com/CsEnox/EventViewer-UACBypass - https://web.archive.org/web/20210511204621/https://github.com/AlsidOfficial/WSUSpendu - https://github.com/nettitude/Invoke-PowerThIEf - https://github.com/S3cur3Th1sSh1t/WinPwn - https://github.com/S3cur3Th1sSh1t/PowerSharpPack/tree/master/PowerSharpBinaries - https://github.com/BC-SECURITY/Invoke-ZeroLogon/blob/111d17c7fec486d9bb23387e2e828b09a26075e4/Invoke-ZeroLogon.ps1 - https://github.com/xorrior/RandomPS-Scripts/blob/848c919bfce4e2d67b626cbcf4404341cfe3d3b6/Get-DXWebcamVideo.ps1 - https://github.com/rvrsh3ll/Misc-Powershell-Scripts/blob/6f23bb41f9675d7e2d32bacccff75e931ae00554/OfficeMemScraper.ps1 - https://github.com/dafthack/DomainPasswordSpray/blob/b13d64a5834694aa73fd2aea9911a83027c465a7/DomainPasswordSpray.ps1 - https://unit42.paloaltonetworks.com/threat-assessment-black-basta-ransomware/ - https://research.nccgroup.com/2022/06/06/shining-the-light-on-black-basta/ - https://github.com/HarmJ0y/DAMP - https://github.com/samratashok/nishang - https://github.com/DarkCoderSc/PowerRunAsSystem/ - https://github.com/besimorhino/powercat - https://github.com/Kevin-Robertson/Powermad - https://github.com/adrecon/ADRecon - https://github.com/adrecon/AzureADRecon - https://github.com/sadshade/veeam-creds/blob/6010eaf31ba41011b58d6af3950cffbf6f5cea32/Veeam-Get-Creds.ps1 - https://github.com/The-Viper-One/Invoke-PowerDPAPI/ - https://github.com/Arno0x/DNSExfiltrator/ author: Markus Neis, Nasreddine Bencherchali (Nextron Systems), Mustafa Kaan Demir, Georg Lauenstein date: 2018-04-07 modified: 2025-12-10 tags: - attack.execution - attack.t1059.001 logsource: category: file_event product: windows detection: selection_generic: TargetFilename|endswith: - \Add-ConstrainedDelegationBackdoor.ps1 - \Add-Exfiltration.ps1 - \Add-Persistence.ps1 - \Add-RegBackdoor.ps1 - \Add-RemoteRegBackdoor.ps1 - \Add-ScrnSaveBackdoor.ps1 - \ADRecon.ps1 - \AzureADRecon.ps1 - \BadSuccessor.ps1 - \Check-VM.ps1 - \ConvertTo-ROT13.ps1 - \Copy-VSS.ps1 - \Create-MultipleSessions.ps1 - \DNS_TXT_Pwnage.ps1 - \dnscat2.ps1 - \Do-Exfiltration.ps1 - \DomainPasswordSpray.ps1 - \Download_