Sigma rule: Suspicious Process Discovery With Get-Process

Rule

Title

Suspicious Process Discovery With Get-Process

Status

test

Level

low

Author

frack113

Date

2022-03-17

File

rules/windows/powershell/powershell_script/posh_ps_susp_get_process.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Get the processes that are running on the local computer.

Log source

product

windows

category

ps_script

definition

Requirements: Script Block Logging must be enabled

Detection

selection:
    ScriptBlockText|contains: Get-Process
condition: selection

False positives (as the rule lists them)

• Legitimate PowerShell scripts

Tags

• attack.discovery
• attack.t1057

MITRE ATT&CK ids this rule names

• T1057

References

• https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1057/T1057.md#atomic-test-3---process-discovery---get-process
• https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.management/get-process?view=powershell-7.4

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/powershell/powershell_script/posh_ps_susp_get_process.yml