Potential Vivaldi_elf.DLL Sideloading

Title: Potential Vivaldi_elf.DLL Sideloading
Status: test
Description:Detects potential DLL sideloading of "vivaldi_elf.dll"
References:
  -https://research.checkpoint.com/2023/beyond-the-horizon-traveling-the-world-on-camaro-dragons-usb-flash-drives/
Author: X__Junior (Nextron Systems)
Date: 2023-08-03
modified:None
Tags:

• -'attack.persistence'
• -'attack.privilege-escalation'
• -'attack.execution'
• -'attack.stealth'
• -'attack.t1574.001'

Logsource:

• category: image_load
• product: windows

Detection:
  selection:
    ImageLoaded|endswith: '\vivaldi_elf.dll'
  filter_main_legit_path:
    Image|endswith: '\Vivaldi\Application\vivaldi.exe'
    ImageLoaded|contains: '\Vivaldi\Application\'
  condition:selection and not 1 of filter_main_*
Falsepositives:
  -Unknown
Level: medium