""ET TROJAN OSX/Proton.C/D Domain (handbrakestore .com in TLS SNI)""

SID: 2024891

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2017_10_20, deployment Perimeter, malware_family Proton, performance_impact Moderate, signature_severity Major, updated_at 2022_03_18

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 12|handbrakestore.com"

Within: 8

PCRE:

Special Options:

  • fast_pattern

  • nocase

source