Detectionhightest
Run PowerShell Script from ADS
Detects PowerShell script execution from Alternate Data Stream (ADS)
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Sergey Soldatov, Kaspersky Lab, oscd.communityCreated Wed Oct 30Updated Thu Jul 1445a594aa-1fbd-4972-a809-ff5a99dd81b8windows
Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
Detection Logic
Detection Logic1 selector
detection:
selection:
ParentImage|endswith:
- '\powershell.exe'
- '\pwsh.exe'
Image|endswith:
- '\powershell.exe'
- '\pwsh.exe'
CommandLine|contains|all:
- 'Get-Content'
- '-Stream'
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Tactics
Sub-techniques
Rule Metadata
Rule ID
45a594aa-1fbd-4972-a809-ff5a99dd81b8
Status
test
Level
high
Type
Detection
Created
Wed Oct 30
Modified
Thu Jul 14
Path
rules/windows/process_creation/proc_creation_win_powershell_run_script_from_ads.yml
Raw Tags
attack.defense-evasionattack.t1564.004