""ET CURRENT_EVENTS Successful Paypal Phish M2 2016-09-29""

SID: 2032549

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2016_09_29, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2016_09_29, 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: "Content-Type|3a 20|multipart/form-data"

  • Value: "form-data|3b 20|name=|22|cn|22|"

  • Value: "form-data|3b 20|name=|22|em|22|"

  • Value: "form-data|3b 20|name=|22|ey|22|"

  • Value: "form-data|3b 20|name=|22|cv|22|"

  • Value: "form-data|3b 20|name=|22|cf|22|"

Within:

PCRE: "/.php$/U"

Special Options:

  • http_method

  • http_uri

  • http_header

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • fast_pattern

  • nocase

  • http_client_body

source