DLL Search Order Hijackig Via Additional Space in Path

Title: DLL Search Order Hijackig Via Additional Space in Path
Status: test
Description:Detects when an attacker create a similar folder structure to windows system folders such as (Windows, Program Files...) but with a space in order to trick DLL load search order and perform a "DLL Search Order Hijacking" attack
References:
  -https://twitter.com/cyb3rops/status/1552932770464292864
  -https://www.wietzebeukema.nl/blog/hijacking-dlls-in-windows
Author: frack113, Nasreddine Bencherchali (Nextron Systems)
Date: 2022-07-30
modified:None
Tags:

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

Logsource:

• category: file_event
• product: windows

Detection:
  selection:
    TargetFilename|startswith:
      -'C:\Windows \'
      -'C:\Program Files \'
      -'C:\Program Files (x86) \'

    TargetFilename|endswith: '.dll'
  condition:selection
Falsepositives:
  -Unknown
Level: high