""ET CURRENT_EVENTS Successful USAA Phish 2015-10-20""

SID: 2031841

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2015_10_20, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2015_10_20, 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: ".php"

  • Value: "ide_hf_0=" Depth: 9

  • Value: "&pin1="

  • Value: "&submitButton=Next"

Within:

PCRE: "/.php$/U"

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • fast_pattern

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • nocase

source