Potential SmadHook.DLL Sideloading

calendar May 15, 2025 · attack.defense-evasion attack.privilege-escalation attack.t1574.001  ·
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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
14logsource:
15    category: image_load
16    product: windows
17detection:
18    selection:
19        ImageLoaded|endswith:
20            - '\SmadHook32c.dll'
21            - '\SmadHook64c.dll'
22    filter_main_legit_path:
23        Image:
24            - 'C:\Program Files (x86)\SMADAV\SmadavProtect32.exe'
25            - 'C:\Program Files (x86)\SMADAV\SmadavProtect64.exe'
26            - 'C:\Program Files\SMADAV\SmadavProtect32.exe'
27            - 'C:\Program Files\SMADAV\SmadavProtect64.exe'
28        ImageLoaded|startswith:
29            - 'C:\Program Files (x86)\SMADAV\'
30            - 'C:\Program Files\SMADAV\'
31    condition: selection and not 1 of filter_main_*
32falsepositives:
33    - Unlikely
34level: high

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