Exchange PowerShell Cmdlet History Deleted

testhigh

log source: windows · file_deleteauthor Nasreddine Bencherchali (Nextron Systems)date 2022-10-26

description

What this is, in brief.

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

rule source (YAML)

title: Exchange PowerShell Cmdlet History Deleted
id: a55349d8-9588-4c5a-8e3b-1925fe2a4ffe
status: test
description: Detects the deletion of the Exchange PowerShell cmdlet History logs which may indicate an attempt to destroy forensic evidence
references:
    - https://web.archive.org/web/20221012062917/https://m365internals.com/2022/10/07/hunting-in-on-premises-exchange-server-logs/
    - https://www.it-server-room.com/en/exchange-server-log-file-locations-and-cleanup-guide/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-10-26
modified: 2026-10-13
tags:
    - attack.stealth
    - attack.t1070
logsource:
    category: file_delete
    product: windows
detection:
    selection:
        TargetFilename|contains|all:
            - '\Logging\CmdletInfra\LocalPowerShell\Cmdlet\'
            - '_Cmdlet_'
    condition: selection
falsepositives:
    - Possible FP during log rotation
level: high

detects techniques (1)

ATT&CK techniques this enables or maps to.

T1070Indicator Removal

references

External citations — patches, advisories, analysis.