""ET INFO Possible Phishing Page - Page Saved with SingleFile Extension""

SID: 2032082

Revision: 3

Class Type: misc-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2021_03_16, deployment Perimeter, confidence Low, signature_severity Critical, tag Phishing, updated_at 2024_01_23, 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: "Page saved with SingleFile"

  • Value: "|0d 0a 20|url|3a 20|"

  • Value: "|0d 0a 20|saved date|3a 20|"

Within:

PCRE:

Special Options:

  • file_data

  • fast_pattern

source