Sigma rule: Suspicious Computer Machine Password by PowerShell

Rule

Title

Suspicious Computer Machine Password by PowerShell

Status

test

Level

medium

Author

frack113

Date

2022-02-21

File

rules/windows/powershell/powershell_module/posh_pm_susp_reset_computermachinepassword.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

The Reset-ComputerMachinePassword cmdlet changes the computer account password that the computers use to authenticate to the domain controllers in the domain.
You can use it to reset the password of the local computer.

Log source

product

windows

category

ps_module

definition

0ad03ef1-f21b-4a79-8ce8-e6900c54b65b

Detection

selection:
    ContextInfo|contains: 'Reset-ComputerMachinePassword'
condition: selection

False positives (as the rule lists them)

• Administrator PowerShell scripts

Tags

• attack.privilege-escalation
• attack.persistence
• attack.initial-access
• attack.stealth
• attack.t1078

MITRE ATT&CK ids this rule names

• T1078

References

• https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.management/reset-computermachinepassword?view=powershell-5.1
• https://thedfirreport.com/2022/02/21/qbot-and-zerologon-lead-to-full-domain-compromise/

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_module/posh_pm_susp_reset_computermachinepassword.yml