Ps.exe Renamed SysInternals Tool

Detects renamed SysInternals tool execution with a binary named ps.exe as used by Dragonfly APT group and documented in TA17-293A report

title: Ps.exe Renamed SysInternals Tool
id: 18da1007-3f26-470f-875d-f77faf1cab31
status: test
description: Detects renamed SysInternals tool execution with a binary named ps.exe as used by Dragonfly APT group and documented in TA17-293A report
references:
    - https://www.us-cert.gov/ncas/alerts/TA17-293A
author: Florian Roth (Nextron Systems)
date: 2017-10-22
modified: 2023-05-02
tags:
    - attack.stealth
    - attack.g0035
    - attack.t1036.003
    - car.2013-05-009
    - detection.emerging-threats
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine|contains|all:
            - 'ps.exe -accepteula'
            - '-s cmd /c netstat'
    condition: selection
falsepositives:
    - Renamed SysInternals tool
level: high

• T1036.003Rename Legitimate Utilities

• G0035Dragonfly

• https://www.us-cert.gov/ncas/alerts/TA17-293A↗