""ET TROJAN Observed Async RAT Related Domain (undjsj .duckdns .org in TLS SNI)""

SID: 2052745

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2024_05_17, malware_family AsyncRAT, signature_severity Major, updated_at 2024_05_17

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 13|.undjsj.duckdns.org"

Within:

PCRE:

Special Options:

source