Exchange PowerShell Cmdlet History Deleted

Title: Exchange PowerShell Cmdlet History Deleted
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: high