Sigma rule: Run PowerShell Script from ADS

Rule

Title

Run PowerShell Script from ADS

Status

test

Level

high

Author

Sergey Soldatov, Kaspersky Lab, oscd.community

Date

2019-10-30

Modified

2022-07-14

File

rules/windows/process_creation/proc_creation_win_powershell_run_script_from_ads.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects PowerShell script execution from Alternate Data Stream (ADS)

Log source

product

windows

category

process_creation

Detection

selection:
    ParentImage|endswith:
        - '\powershell.exe'
        - '\pwsh.exe'
    Image|endswith:
        - '\powershell.exe'
        - '\pwsh.exe'
    CommandLine|contains|all:
        - 'Get-Content'
        - '-Stream'
condition: selection

False positives (as the rule lists them)

• Unknown

Tags

• attack.stealth
• attack.t1564.004

MITRE ATT&CK ids this rule names

• T1564.004

References

• https://github.com/p0shkatz/Get-ADS/blob/1c3a3562e713c254edce1995a7d9879c687c7473/Get-ADS.ps1

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_powershell_run_script_from_ads.yml