Renamed NetSupport RAT Execution

calendar Nov 25, 2024 · attack.defense-evasion  ·
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Detects the execution of a renamed "client32.exe" (NetSupport RAT) via Imphash, Product and OriginalFileName strings

Sigma rule (View on GitHub)

 1title: Renamed NetSupport RAT Execution
 2id: 0afbd410-de03-4078-8491-f132303cb67d
 3status: test
 4description: Detects the execution of a renamed "client32.exe" (NetSupport RAT) via Imphash, Product and OriginalFileName strings
 5references:
 6    - https://redcanary.com/blog/misbehaving-rats/
 7author: Nasreddine Bencherchali (Nextron Systems)
 8date: 2022-09-19
 9modified: 2024-11-23
10tags:
11    - attack.defense-evasion
12logsource:
13    category: process_creation
14    product: windows
15detection:
16    selection:
17        - Product|contains: 'NetSupport Remote Control'
18        - OriginalFileName|contains: 'client32.exe'
19        - Hashes|contains: IMPHASH=A9D50692E95B79723F3E76FCF70D023E
20    filter:
21        Image|endswith: '\client32.exe'
22    condition: selection and not filter
23falsepositives:
24    - Unknown
25level: high

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