""ET TROJAN Malicious Powershell Activity (GET)""

SID: 2047678

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_08_21, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_08_21, reviewed_at 2023_08_21

Reference:

  • md5

  • f3100ed6ed9526289473ecd6af30061e

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 1024:

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "/jquery-3.3.1.slim.min.js"

  • Value: "Referer|3a 20|http://code.jquery.com/|0d 0a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

source