Ps.exe Renamed SysInternals Tool

calendar Jun 20, 2023 · attack.defense_evasion attack.g0035 attack.t1036.003 car.2013-05-009 detection.emerging_threats  ·
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Detects renamed SysInternals tool execution with a binary named ps.exe as used by Dragonfly APT group and documented in TA17-293A report

Sigma rule (View on GitHub)

 1title: Ps.exe Renamed SysInternals Tool
 2id: 18da1007-3f26-470f-875d-f77faf1cab31
 3status: test
 4description: Detects renamed SysInternals tool execution with a binary named ps.exe as used by Dragonfly APT group and documented in TA17-293A report
 5references:
 6    - https://www.us-cert.gov/ncas/alerts/TA17-293A
 7author: Florian Roth (Nextron Systems)
 8date: 2017/10/22
 9modified: 2023/05/02
10tags:
11    - attack.defense_evasion
12    - attack.g0035
13    - attack.t1036.003
14    - car.2013-05-009
15    - detection.emerging_threats
16logsource:
17    category: process_creation
18    product: windows
19detection:
20    selection:
21        CommandLine|contains|all:
22            - 'ps.exe -accepteula'
23            - '-s cmd /c netstat'
24    condition: selection
25falsepositives:
26    - Renamed SysInternals tool
27level: high

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