Potential Vivaldi_elf.DLL Sideloading

 1title: Potential Vivaldi_elf.DLL Sideloading
 2id: 2092cacb-d77b-4f98-ab0d-32b32f99a054
 3status: test
 4description: Detects potential DLL sideloading of "vivaldi_elf.dll"
 5references:
 6    - https://research.checkpoint.com/2023/beyond-the-horizon-traveling-the-world-on-camaro-dragons-usb-flash-drives/
 7author: X__Junior (Nextron Systems)
 8date: 2023-08-03
 9tags:
10    - attack.persistence
11    - attack.privilege-escalation
12    - attack.execution
13    - attack.stealth
14    - attack.t1574.001
15logsource:
16    category: image_load
17    product: windows
18detection:
19    selection:
20        ImageLoaded|endswith: '\vivaldi_elf.dll'
21    filter_main_legit_path:
22        Image|endswith: '\Vivaldi\Application\vivaldi.exe'
23        ImageLoaded|contains: '\Vivaldi\Application\'
24    condition: selection and not 1 of filter_main_*
25falsepositives:
26    - Unknown
27level: medium