SID: 2045182

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_04_25, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2023_04_25

Reference:

  • md5

  • 433a2a49a84545f23a038f3584f28b4a

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?query=1"

  • Value: !"Linux|3b 20|"

  • Value: ".kr|0d 0a|"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+.kr\r\n/Hmi"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_header

  • http_header

source