mirror of
https://github.com/valitydev/SigmaHQ.git
synced 2024-11-07 17:58:52 +00:00
26 lines
874 B
YAML
Executable File
26 lines
874 B
YAML
Executable File
title: Lsass Memory Dump via Comsvcs DLL
|
|
id: a49fa4d5-11db-418c-8473-1e014a8dd462
|
|
description: Detects adversaries leveraging the MiniDump export function from comsvcs.dll via rundll32 to perform a memory dump from lsass.
|
|
status: experimental
|
|
date: 2020/10/20
|
|
modified: 2021/06/21
|
|
author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
|
|
tags:
|
|
- attack.credential_access
|
|
- attack.t1003.001
|
|
references:
|
|
- https://twitter.com/shantanukhande/status/1229348874298388484
|
|
- https://modexp.wordpress.com/2019/08/30/minidumpwritedump-via-com-services-dll/
|
|
logsource:
|
|
category: process_access
|
|
product: windows
|
|
detection:
|
|
selection:
|
|
TargetImage|endswith: '\lsass.exe'
|
|
SourceImage: 'C:\Windows\System32\rundll32.exe'
|
|
CallTrace|contains: 'comsvcs.dll'
|
|
condition: selection
|
|
falsepositives:
|
|
- Unknown
|
|
level: critical
|