""ET CURRENT_EVENTS Successful Craigslist Phish 2016-04-25""

SID: 2031986

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2016_04_28, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2016_04_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: established,to_server

Contents:

• Value: "POST"

• Value: ".php"

• Value: "step=confirmation&rt=" Depth: 21

• Value: "&rp="

• Value: "&username="

• Value: "&password="

Within:

PCRE:

Special Options:

• http_method

• http_uri

• http_client_body

• fast_pattern

• http_client_body

• http_client_body

• http_client_body

source