SigmaHQ/rules/windows/sysmon/sysmon_lsass_memdump.yml

title: LSASS Memory Dump
status: experimental
description: Detects process LSASS memory dump using procdump or taskmgr based on the CallTrace pointing to dbghelp.dll
author: Samir Bousseaden
references:
    - https://blog.menasec.net/2019/02/threat-hunting-21-procdump-or-taskmgr.html
tags:
    - attack.t1003
    - attack.s0002
    - attack.credential_access
logsource:
    product: windows
    service: sysmon
detection:
    selection:
        EventID: 10
        TargetImage: 'C:\windows\system32\lsass.exe'
        GrantedAccess: '0x1fffff'
        CallTrace: '*dbghel.dll*'
    condition: selection
falsepositives:
    - unknown
level: high