""ET CURRENT_EVENTS Possible Microsoft Phishing HTML Class Tag""

SID: 2052530

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Any, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_05_09, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2024_05_09

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: "|3c|html class|3d 22 20|gttiirk idc0_350|22 3e|"

Within:

PCRE:

Special Options:

  • http_stat_code

  • file_data

source