SID: 2044833

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_03_30, deployment Perimeter, performance_impact Low, confidence High, 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: ".php?id="

  • Value: "|3b|timeout"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+\r\nProxy-Connection\x3a\x20[^\r\n]+\r\nUpgrade-Insecure-Requests\x3a\x20[^\r\n]+\r\n/Hm"

Special Options:

  • http_method

  • http_uri

  • http_uri

  • fast_pattern

  • http_header

source