""ET CURRENT_EVENTS [TW] Tycoon Phishkit CSS""

SID: 2048386

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_10_03, deployment Perimeter, signature_severity Major, tag Phishing, updated_at 2023_11_29, reviewed_at 2023_10_03, 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: "200"

• Value: "body.start"

• Value: "background|2d|image|3a 20|url|28 27|https|3a 2f 2f|aadcdn|2e|msauth|2e|net|2f|"

• Value: ".firstlogo"

• Value: ".bannerlogo"

• Value: "/assets/officelogo.png"

Within:

PCRE:

Special Options:

• http_stat_code

• file_data

• fast_pattern

source