SID: 2045806

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_05_22, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2023_07_13, reviewed_at 2024_03_11

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: !"Linux"

  • Value: ".php?query=50 HTTP/1.1|0d 0a|"

  • Value: "UA-CPU|3a 20|"

  • Value: !"Referer|3a 20|"

Within:

PCRE:

Special Options:

  • http_method

  • http_header

  • fast_pattern

  • http_header

  • http_header

source