File Download via CertOC.EXE

Title: File Download via CertOC.EXE
Status: test
Description:Detects when a user downloads a file by using CertOC.exe
References:
  -https://lolbas-project.github.io/lolbas/Binaries/Certoc/
Author: Nasreddine Bencherchali (Nextron Systems)
Date: 2022-05-16
modified:2023-10-18
Tags:

• -'attack.command-and-control'
• -'attack.t1105'

Logsource:

• category: process_creation
• product: windows

Detection:
  selection_img:
Image|endswith:'\certoc.exe' OriginalFileName:'CertOC.exe'   selection_cli:
    CommandLine|contains|all:
      -'-GetCACAPS'
      -'http'

  condition:all of selection*
Falsepositives:
  -Unknown
Level: medium