""ET TROJAN ZhCAT.HackTool Operation Cleaver HTTP CnC Beacon""

SID: 2019943

Revision: 3

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2014_12_16, deployment Perimeter, signature_severity Major, tag c2, updated_at 2014_12_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: 1024:

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "POST file.php HTTP/1." Depth: 21

  • Value: "|20 28 20|compatible"

Within:

PCRE:

Special Options:

source