""ET INFO Observed Pastebin-like Service Domain (anotepad .com) in TLS SNI""

SID: 2052957

Revision: 1

Class Type: misc-activity

Metadata: affected_product Any, attack_target Client_and_Server, created_at 2024_05_29, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2024_05_29

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: established,to_server

Contents:

  • Value: "|16|"

  • Value: "|01|"

  • Value: "|00 00 0c|anotepad.com"

Within: 8

PCRE:

Special Options:

  • fast_pattern

source