""ET TROJAN Observed BlackGuard_v2 Domain (greenblguard .shop) in TLS SNI""

SID: 2035713

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_04_01, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2022_04_01

Reference:

• Link

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: established,to_server

Contents:

• Value: "|16|" Depth: 1

• Value: "|01|"

• Value: "|00 00 11|greenblguard.shop"

Within:

PCRE:

Special Options:

• fast_pattern

source