""ET TROJAN Observed TaurusStealer CnC Domain in TLS SNI""

SID: 2030477

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2020_07_07, deployment Perimeter, malware_family Taurus, performance_impact Low, signature_severity Major, updated_at 2020_07_07

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 0a|zyvcin.xyz|00|"

Within:

PCRE:

Special Options:

  • fast_pattern

source