""ET CURRENT_EVENTS Possible Successful Yahoo Phish Jun 23 2015""

SID: 2021323

Revision: 4

Class Type: bad-unknown

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2015_06_23, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2017_08_17, 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: established,to_server

Contents:

  • Value: "POST"

  • Value: "/yahoo.php"

  • Value: ".tries=" Depth: 7

  • Value: "&.challenge="

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_client_body

  • nocase

  • http_client_body

  • nocase

source