Exchange PowerShell Cmdlet History Deleted
Detects the deletion of the Exchange PowerShell cmdlet History logs which may indicate an attempt to destroy forensic evidence
Detection logic
selection
TargetFilename|startswith: \Logging\CmdletInfra\LocalPowerShell\Cmdlet\
TargetFilename|contains: _Cmdlet_Condition
selectionRaw 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://m365internals.com/2022/10/07/hunting-in-on-premises-exchange-server-logs/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-10-26
modified: 2022-12-30
tags:
- attack.stealth
- attack.t1070
logsource:
category: file_delete
product: windows
detection:
selection:
TargetFilename|startswith: '\Logging\CmdletInfra\LocalPowerShell\Cmdlet\'
TargetFilename|contains: '_Cmdlet_'
condition: selection
falsepositives:
- Possible FP during log rotation
level: highFalse positives
- Possible FP during log rotation