""ET TROJAN 9002 RAT CnC Activity (POST)""

SID: 2054729

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_07_29, deployment Perimeter, malware_family 9002, confidence High, signature_severity Major, tag RAT, tag c2, updated_at 2024_07_29, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol

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: "|2f 3f|q|3d|" Depth: 4

  • Value: "User-Agent|3a 20|User|2d|Agent|3a|Mozilla"

  • Value: "Accept|3a 20|text/html"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/^\x2f\x3fq\x3d[a-z0-9]{8}$/U"

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_header

  • http_header

  • nocase

source