Sigma rule: Exchange PowerShell Cmdlet History Deleted

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-d219cfde6889, updated 2026-10-13T00:00:00.000Z.

Rule

Title
Exchange PowerShell Cmdlet History Deleted
Status
test
Level
high
Author
Nasreddine Bencherchali (Nextron Systems)
Date
2022-10-26
Modified
2026-10-13
File
rules/windows/file/file_delete/file_delete_win_delete_exchange_powershell_logs.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the deletion of the Exchange PowerShell cmdlet History logs which may indicate an attempt to destroy forensic evidence

Log source

product
windows
category
file_delete

Detection

selection:
    TargetFilename|contains|all:
        - '\Logging\CmdletInfra\LocalPowerShell\Cmdlet\'
        - '_Cmdlet_'
condition: selection

False positives (as the rule lists them)

  • Possible FP during log rotation

Tags

  • attack.stealth
  • attack.t1070

MITRE ATT&CK ids this rule names

References

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/file/file_delete/file_delete_win_delete_exchange_powershell_logs.yml

Sources and licences

  • SigmaHQ

    "Exchange PowerShell Cmdlet History Deleted" by Nasreddine Bencherchali (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/file/file_delete/file_delete_win_delete_exchange_powershell_logs.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Exchange PowerShell Cmdlet History Deleted",
entity page, dataset version ref-d219cfde6889, updated 2026-10-13T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/a55349d8-9588-4c5a-8e3b-1925fe2a4ffe (accessed 2026-11-03).
Underlying source: SigmaHQ rule a55349d8-9588-4c5a-8e3b-1925fe2a4ffe, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.