Local Network Connection Initiated By Script Interpreter

Title: Local Network Connection Initiated By Script Interpreter
Status: test
Description:Detects a script interpreter (Wscript/Cscript) initiating a local network connection to download or execute a script hosted on a shared folder.
References:
  -https://github.com/redcanaryco/atomic-red-team/blob/28d190330fe44de6ff4767fc400cc10fa7cd6540/atomics/T1105/T1105.md
Author: frack113
Date: 2022-08-28
modified:2024-05-31
Tags:

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

Logsource:

• category: network_connection
• product: windows

Detection:
  selection:
    Initiated: 'true'
    Image|endswith:
      -'\wscript.exe'
      -'\cscript.exe'

    DestinationIp|cidr:
      -'127.0.0.0/8'
      -'10.0.0.0/8'
      -'172.16.0.0/12'
      -'192.168.0.0/16'
      -'169.254.0.0/16'
      -'::1/128'
      -'fe80::/10'
      -'fc00::/7'

  condition:selection
Falsepositives:
  -Legitimate scripts
Level: medium