""ET CURRENT_EVENTS Successful EDU Phish 2017-12-04""

SID: 2025114

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2017_12_04, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2017_12_04, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

• Value: "302"

• Value: "|0d 0a|Location|3a 20|"

• Value: "Content-Length|3a 20|0|0d 0a|"

Within:

PCRE: "/^[^\r\n]+.edu/Ri"

Special Options:

• http_stat_code

• nocase

• http_header

source