""ET CURRENT_EVENTS Successful Phish OWA Credentials 2016-08-16""

SID: 2032041

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2016_08_16, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2016_08_30, 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: "destination=" Depth: 12

  • Value: "&flags="

  • Value: "&forcedownlevel="

  • Value: "&trusted="

  • Value: "password"

Within:

PCRE:

Special Options:

  • http_method

  • nocase

  • http_client_body

  • fast_pattern

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • nocase

  • http_client_body

source