Potential SmadHook.DLL Sideloading

calendar Aug 12, 2024 · attack.defense-evasion attack.privilege-escalation attack.t1574.001 attack.t1574.002  ·
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Detects potential DLL sideloading of "SmadHook.dll", a DLL used by SmadAV antivirus

Sigma rule (View on GitHub)

 1title: Potential SmadHook.DLL Sideloading
 2id: 24b6cf51-6122-469e-861a-22974e9c1e5b
 3status: test
 4description: Detects potential DLL sideloading of "SmadHook.dll", a DLL used by SmadAV antivirus
 5references:
 6    - https://research.checkpoint.com/2023/malware-spotlight-camaro-dragons-tinynote-backdoor/
 7    - https://www.qurium.org/alerts/targeted-malware-against-crph/
 8author: X__Junior (Nextron Systems)
 9date: 2023-06-01
10tags:
11    - attack.defense-evasion
12    - attack.privilege-escalation
13    - attack.t1574.001
14    - attack.t1574.002
15logsource:
16    category: image_load
17    product: windows
18detection:
19    selection:
20        ImageLoaded|endswith:
21            - '\SmadHook32c.dll'
22            - '\SmadHook64c.dll'
23    filter_main_legit_path:
24        Image:
25            - 'C:\Program Files (x86)\SMADAV\SmadavProtect32.exe'
26            - 'C:\Program Files (x86)\SMADAV\SmadavProtect64.exe'
27            - 'C:\Program Files\SMADAV\SmadavProtect32.exe'
28            - 'C:\Program Files\SMADAV\SmadavProtect64.exe'
29        ImageLoaded|startswith:
30            - 'C:\Program Files (x86)\SMADAV\'
31            - 'C:\Program Files\SMADAV\'
32    condition: selection and not 1 of filter_main_*
33falsepositives:
34    - Unlikely
35level: high

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