SigmaHQ/rules/windows/process_creation/win_renamed_psexec.yml
2020-10-15 18:24:48 -03:00

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YAML

title: Renamed PsExec
id: a7a7e0e5-1d57-49df-9c58-9fe5bc0346a2
status: experimental
description: Detects the execution of a renamed PsExec often used by attackers or malware
references:
- https://www.trendmicro.com/vinfo/hk-en/security/news/cybercrime-and-digital-threats/megacortex-ransomware-spotted-attacking-enterprise-networks
author: Florian Roth
date: 2019/05/21
modified: 2020/09/06
tags:
- car.2013-05-009
- attack.defense_evasion
- attack.t1036 # an old one
- attack.t1036.003
logsource:
product: windows
category: process_creation
detection:
selection:
Description: 'Execute processes remotely'
Product: 'Sysinternals PsExec'
filter:
Image|endswith:
- '\PsExec.exe'
- '\PsExec64.exe'
condition: selection and not filter
falsepositives:
- Software that illegaly integrates PsExec in a renamed form
- Administrators that have renamed PsExec and no one knows why
level: high