""ET TROJAN Observed CloudAtlas APT Related Domain (network-list .com in TLS SNI)""

SID: 2049732

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2023_12_19, signature_severity Major, updated_at 2023_12_19

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 10|network-list.com"

Within: 8

PCRE:

Special Options:

• fast_pattern

source