""ET TROJAN RHttpCtrl Backdoor CnC""

SID: 2030397

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2020_06_25, deployment Perimeter, malware_family APT30, performance_impact Low, signature_severity Critical, updated_at 2020_06_25

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: "ver=" Depth: 4

  • Value: "&id="

  • Value: "&random="

  • Value: "&hname="

  • Value: "&lanip="

  • Value: "&os="

Within:

PCRE: "/.php$/U"

Special Options:

  • http_method

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_client_body

source