""ET WEB_CLIENT Possible Phishing Redirect Feb 09 2016""

SID: 2025006

Revision: 4

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2016_02_10, deployment Perimeter, former_category PHISHING, signature_severity Critical, tag Phishing, updated_at 2020_08_13, 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: to_client,established

Contents:

  • Value: "302"

  • Value: "Content-Type|3a 20|text/html"

  • Value: "|0d 0a|location|3a 20|"

  • Value: "|0d 0a|location|3a 20|"

Within:

PCRE: "/^[a-f0-9]{32}\??\x0d\x0a/Ri"

Special Options:

  • http_stat_code

  • http_header

  • fast_pattern

  • http_header

source