""ET CURRENT_EVENTS Successful Canada Revenue Agency Phish 2015-08-18""

SID: 2031760

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2015_08_17, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2017_09_28, 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: ".php"

• Value: "address=" Depth: 8

• Value: "&driver="

• Value: "&employer="

• Value: "&submitBtn=Continue"

Within:

PCRE:

Special Options:

• http_method

• http_uri

• http_client_body

• fast_pattern

• http_client_body

• http_client_body

• http_client_body

source