""ET TROJAN CozyCar V2 CnC Beacon""

SID: 2023966

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_02_17, deployment Perimeter, malware_family APT29_CozyCar, signature_severity Major, tag c2, updated_at 2017_02_17, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "=12&"

  • Value: "=2"

  • Value: "=="

  • Value: "=="

  • Value: ".php? HTTP/1."

Within: 10

PCRE: "/.php\?$/U"

Special Options:

  • http_header

  • http_header

  • http_header

  • http_header

source