""ET CURRENT_EVENTS Successful Chase Phish 2016-12-01""

SID: 2032196

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2016_12_01, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2016_12_01, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "POST"

  • Value: "LOB=RBGLogon"

  • Value: "id=" Depth: 3

  • Value: "&pass="

  • Value: "&formimage1.x="

  • Value: "&formimage1.y="

Within:

PCRE:

Special Options:

  • http_method

  • nocase

  • http_uri

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • fast_pattern

  • nocase

  • http_client_body

source