SID: 2044834

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_03_30, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2023_03_30

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: "/install.bak/" Depth: 13

  • Value: "User-Agent|3a 20|Mozilla/4.0"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/\/[0-9]{2}.html$/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_header

source