""ET TROJAN W32/Qakbot.Bot Version 8 CnC Beacon""

SID: 2018204

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2014_03_04, deployment Perimeter, signature_severity Major, tag c2, updated_at 2014_03_04, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

  • md5

  • 749a7bf2ad84212bd78e46d240a4f434

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: !"Referer|3a 20|"

  • Value: "v=" Depth: 2

  • Value: "&c="

Within:

PCRE: "/^\/[b-u][A-Za-z0-9]{6,25}.php$/U"

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_client_body

  • http_client_body

  • fast_pattern

source