""ET CURRENT_EVENTS Successful Canada Revenue Agency COVID-19 Assistance Eligability Phish 2020-04-01""

SID: 2029782

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2020_04_01, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2020_04_01, 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: "|0d 0a 0d 0a|FN="

  • Value: "FN=" Depth: 3

  • Value: "&SN="

  • Value: "&submit=Start+Process"

Within:

PCRE:

Special Options:

  • http_method

  • fast_pattern

  • http_client_body

  • http_client_body

  • nocase

  • http_client_body

source