""ET TROJAN Zeus.Downloader Campaign Unknown Initial CnC Beacon""

SID: 2018183

Revision: 3

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2014_02_27, deployment Perimeter, signature_severity Major, tag c2, updated_at 2014_09_19, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

  • md5

  • ca15e5e96aee8b18ca6f3c185a690cea

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: "/ppp/ta.php"

Within:

PCRE: "/Host\x3A\x20\d{1,3}\x2E\d{1,3}\x2E\d{1,3}\x2E\d{1,3}/H"

Special Options:

  • http_method

  • http_uri

source