""ET TROJAN Observed ZLoader Related Domain (lkjhgfgsdshja .com in TLS SNI)""

SID: 2035133

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_02_08, deployment Perimeter, signature_severity Major, updated_at 2022_02_08

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|"

• Value: "|01|"

• Value: "|00 00 11|lkjhgfgsdshja.com"

Within: 8

PCRE:

Special Options:

• fast_pattern

source