""ET TROJAN ZINC APT Related Backdoor Activity (POST)""

SID: 2041656

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_12_02, deployment Perimeter, deployment SSLDecrypt, malware_family Lazarus, malware_family ZINC, signature_severity Major, updated_at 2023_04_04, reviewed_at 2023_12_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: "POST"

  • Value: ".php"

  • Value: "gametype=" Depth: 9

  • Value: "&type="

  • Value: !"Referer|3a 20|"

Within: 14

PCRE: "/.php$/U"

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_header

source