""ET CURRENT_EVENTS Successful Mailbox Shutdown Phish M1 2016-05-16""

SID: 2032382

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2016_05_16, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2017_10_11, 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: from_client,established

Contents:

  • Value: "POST"

  • Value: "pass1=" Depth: 6

  • Value: "&pass2="

  • Value: "&email="

Within:

PCRE:

Special Options:

  • http_method

  • fast_pattern

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • nocase

  • http_client_body

source