Renamed Plink Execution

Title: Renamed Plink Execution
Status: test
Description:Detects the execution of a renamed version of the Plink binary
References:
  -https://thedfirreport.com/2022/06/06/will-the-real-msiexec-please-stand-up-exploit-leads-to-data-exfiltration/
  -https://the.earth.li/~sgtatham/putty/0.58/htmldoc/Chapter7.html
Author: Nasreddine Bencherchali (Nextron Systems)
Date: 2022-06-06
modified:2023-02-03
Tags:

• -'attack.stealth'
• -'attack.t1036'

Logsource:

• category: process_creation
• product: windows

Detection:
  selection:
OriginalFileName:'Plink'     - CommandLine|contains|all:
      - ' -l forward'
      - ' -P '
      - ' -R '
  filter:
    Image|endswith: '\plink.exe'
  condition:selection and not filter
Falsepositives:
  -Unknown
Level: high