Query: Sigma YAML for windows / ps_script
Matching passage: Sigma rule: Detects Commandlet names and arguments from the Nishang exploitation framework. Logsource: windows / ps_script. Rule: title: Malicious Nishang PowerShell Commandlets id: f772cee9-b7c2-4cb2-8f07-49870adc02e0 status: test description: Detects Commandlet names and arguments from the Nishang exploitation framework references: - https://github.com/samratashok/nishang author: Alec Costello date: 2019-05-16 modified: 2023-01-16 tags: - attack.execution - attack.t1059.001 logsource: product: windows category: ps_script definition: 'Requirements: Script Block Logging must be enabled' detection: selection: ScriptBlockText|contains: - Add-ConstrainedDelegationBackdoor - Copy-VSS - Create-MultipleSessions - DataToEncode - DNS_TXT_Pwnage - Do-Exfiltration-Dns - Download_Execute - Download-Execute-PS - DownloadAndExtractFromRemoteRegistry - DumpCerts - DumpCreds - DumpHashes - Enable-DuplicateToken - Enable-Duplication - Execute-Command-MSSQL - Execute-DNSTXT-Code - Execute-OnTime - ExetoText - exfill - ExfilOption - FakeDC - FireBuster - FireListener - 'Get-Information ' - Get-PassHints - Get-Web-Credentials - Get-WebCredentials - Get-WLAN-Keys - HTTP-Backdoor - Invoke-AmsiBypass - Invoke-BruteForce - Invoke-CredentialsPhish - Invoke-Decode - Invoke-Encode - Invoke-Interceptor - Invoke-JSRatRegsvr - Invoke-JSRatRundll - Invoke-MimikatzWDigestDowngrade - Invoke-NetworkRelay - Invoke-PowerShellIcmp - Invoke-PowerShellUdp - Invoke-Prasadhak - Invoke-PSGcat - Invoke-PsGcatAgent - Invoke-SessionGopher - Invoke-SSIDExfil - LoggedKeys - Nishang - NotAllNameSpaces - Out-CHM - OUT-DNSTXT - Out-HTA - Out-RundllCommand - Out-SCF - Out-SCT - Out-Shortcut - Out-WebQuery - Out-Word - Parse_Keys - Password-List - Powerpreter - Remove-Persistence - Remove-PoshRat - Remove-Update - Run-EXEonRemote - Set-DCShadowPermissions - Set-RemotePSRemoting - Set-RemoteWMI - Shellcode32 - Shellcode64 - StringtoBase64 - TexttoExe condition: selection falsepositives: - Unknown level: high
Near-miss passage: Sigma rule: Detects a suspicious or uncommon parent processes of PowerShell. Logsource: windows / process_creation. Rule: title: Suspicious PowerShell Parent Process id: 754ed792-634f-40ae-b3bc-e0448d33f695 related: - id: 692f0bec-83ba-4d04-af7e-e884a96059b6 type: derived status: test description: Detects a suspicious or uncommon parent processes of PowerShell references: - https://speakerdeck.com/heirhabarov/hunting-for-powershell-abuse?slide=26 author: Teymur Kheirkhabarov, Harish Segar date: 2020-03-20 modified: 2023-02-04 tags: - attack.execution - attack.t1059.001 logsource: category: process_creation product: windows detection: selection_parent: - ParentImage|contains: tomcat - ParentImage|endswith: - \amigo.exe - \browser.exe - \chrome.exe - \firefox.exe - \httpd.exe - \iexplore.exe - \jbosssvc.exe - \microsoftedge.exe - \microsoftedgecp.exe - \MicrosoftEdgeSH.exe - \mshta.exe - \nginx.exe - \outlook.exe - \php-cgi.exe - \regsvr32.exe - \rundll32.exe - \safari.exe - \services.exe - \sqlagent.exe - \sqlserver.exe - \sqlservr.exe - \vivaldi.exe - \w3wp.exe selection_powershell: - Image|endswith: - \powershell.exe - \pwsh.exe - CommandLine|contains: - /c powershell - /c pwsh - Description: Windows PowerShell - Product: PowerShell Core 6 - OriginalFileName: - PowerShell.EXE - pwsh.dll condition: all of selection_* falsepositives: - Other scripts level: high