""ET CURRENT_EVENTS Successful Hotmail Phish 2016-07-14""

SID: 2032027

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2016_07_14, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2016_07_14, 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: "login=" Depth: 6

• Value: "&passwd="

• Value: "&SI=Sign+in"

Within:

PCRE:

Special Options:

• http_method

• http_uri

• http_client_body

• fast_pattern

• nocase

• http_client_body

• nocase

• http_client_body

source