37 lines
998 B
YAML
37 lines
998 B
YAML
|
|
title: Renamed PsExec
|
|
ruletype: Sigma
|
|
author: Florian Roth
|
|
date: 2019/05/21
|
|
description: Detects the execution of a renamed PsExec often used by attackers or
|
|
malware
|
|
detection:
|
|
SELECTION_1:
|
|
EventID: 1
|
|
SELECTION_2:
|
|
Description: Execute processes remotely
|
|
SELECTION_3:
|
|
Product: Sysinternals PsExec
|
|
SELECTION_4:
|
|
Image:
|
|
- '*\PsExec.exe'
|
|
- '*\PsExec64.exe'
|
|
condition: (SELECTION_1 and (SELECTION_2 and SELECTION_3) and not (SELECTION_4))
|
|
falsepositives:
|
|
- Software that illegaly integrates PsExec in a renamed form
|
|
- Administrators that have renamed PsExec and no one knows why
|
|
id: a7a7e0e5-1d57-49df-9c58-9fe5bc0346a2
|
|
level: high
|
|
logsource:
|
|
category: process_creation
|
|
product: windows
|
|
modified: 2021/11/27
|
|
references:
|
|
- https://www.trendmicro.com/vinfo/hk-en/security/news/cybercrime-and-digital-threats/megacortex-ransomware-spotted-attacking-enterprise-networks
|
|
status: test
|
|
tags:
|
|
- car.2013-05-009
|
|
- attack.defense_evasion
|
|
- attack.t1036
|
|
- attack.t1036.003
|