""ET CURRENT_EVENTS Successful Yahoo Mail Phish 2016-10-14""

SID: 2032587

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_10_14, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2016_10_14, 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: ".src=" Depth: 5

  • Value: "&.tries="

  • Value: "&.yplus="

  • Value: "&.chldID="

  • Value: "&pkg="

  • Value: "&hasMsgr="

  • Value: "&login="

  • Value: "&passwd="

  • Value: "&.save="

Within:

PCRE: "/.php$/U"

Special Options:

  • http_method

  • nocase

  • http_uri

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • fast_pattern

  • nocase

  • http_client_body

source