Suspicious Execution of Psexec (via process_creation)

title: Suspicious Execution of Psexec (via process_creation)
id: 96e3289f-dcb1-5ac0-94c8-7d53da39061e
status: stable
description: This rule detects user accept agreement execution in psexec commandline
references:
    - https://attack.mitre.org/techniques/T1021/
    - https://attack.mitre.org/techniques/T1569/
    - https://www.fireeye.com/blog/threat-research/2020/10/kegtap-and-singlemalt-with-a-ransomware-chaser.html
author: Huntrule Team
date: 2026-03-08
tags:
    - attack.execution
    - attack.lateral-movement
    - attack.t1569
    - attack.t1021
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        - Image|endswith: '\psexec.exe'
        - OriginalFileName: 'psexec.c'
    condition: selection
falsepositives:
    - Unknown
level: medium