Remote Access Tool - RURAT Execution From Unusual Location

calendar Aug 12, 2024 · attack.defense-evasion  ·
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Detects execution of Remote Utilities RAT (RURAT) from an unusual location (outside of 'C:\Program Files')

Sigma rule (View on GitHub)

 1title: Remote Access Tool - RURAT Execution From Unusual Location
 2id: e01fa958-6893-41d4-ae03-182477c5e77d
 3status: test
 4description: Detects execution of Remote Utilities RAT (RURAT) from an unusual location (outside of 'C:\Program Files')
 5references:
 6    - https://redcanary.com/blog/misbehaving-rats/
 7author: Nasreddine Bencherchali (Nextron Systems)
 8date: 2022-09-19
 9modified: 2023-03-05
10tags:
11    - attack.defense-evasion
12logsource:
13    category: process_creation
14    product: windows
15detection:
16    selection:
17        - Image|endswith:
18              - '\rutserv.exe'
19              - '\rfusclient.exe'
20        - Product: 'Remote Utilities'
21    filter:
22        Image|startswith:
23            - 'C:\Program Files\Remote Utilities'
24            - 'C:\Program Files (x86)\Remote Utilities'
25    condition: selection and not filter
26falsepositives:
27    - Unknown
28level: medium

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