SigmaHQ/rules/windows/process_creation/win_apt_bluemashroom.yml

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YAML

title: BlueMashroom DLL Load
status: experimental
description: Detects a suspicious DLL loading from AppData Local path as described in BlueMashroom report
references:
- 'https://www.virusbulletin.com/conference/vb2019/abstracts/apt-cases-exploiting-vulnerabilities-region-specific-software'
tags:
- attack.defense_evasion
- attack.t1117
author: Florian Roth
date: 2019/10/02
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine:
- '*\regsrv32*\AppData\Local\*,*'
- '*\AppData\Local\*,DllEntry*'
condition: selection
falsepositives:
- Unlikely
level: critical