""ET INFO Suspicious Fake Login - Possible Phishing - 2018-12-31""

SID: 2026746

Revision: 2

Class Type: suspicious-login

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2018_12_31, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2018_12_31, 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: "fakeLogin=" Depth: 10

  • Value: "&fakePassword="

Within:

PCRE:

Special Options:

  • http_method

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • fast_pattern

source