""ET MALWARE Observed OSX/PremierOpinionD Collection Domain in TLS SNI""

SID: 2027694

Revision: 4

Class Type: trojan-activity

Metadata: affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2019_07_09, deployment Perimeter, malware_family PremierOpinionD, performance_impact Low, signature_severity Major, updated_at 2019_08_14

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: established,to_server

Contents:

  • Value: "|00 00 1d|oss-content.securestudies.com|00|"

Within:

PCRE:

Special Options:

  • fast_pattern

source