File Download Using ProtocolHandler.exe

Title: File Download Using ProtocolHandler.exe
Status: test
Description:Detects usage of "ProtocolHandler" to download files. Downloaded files will be located in the cache folder (for example - %LOCALAPPDATA%\Microsoft\Windows\INetCache\IE)
References:
  -https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1218/T1218.md
  -https://lolbas-project.github.io/lolbas/OtherMSBinaries/ProtocolHandler/
Author: frack113
Date: 2021-07-13
modified:2023-11-09
Tags:

• -'attack.stealth'
• -'attack.t1218'

Logsource:

• category: process_creation
• product: windows

Detection:
  selection_img:
Image|endswith:'\protocolhandler.exe' OriginalFileName:'ProtocolHandler.exe'   selection_cli:
    CommandLine|contains:
      -'ftp://'
      -'http://'
      -'https://'

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