""ET TROJAN ELF/Freakout IRC Checkin""

SID: 2031534

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Linux, attack_target Client_Endpoint, created_at 2021_01_20, deployment Perimeter, signature_severity Major, updated_at 2021_01_20

Reference:

• Link

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 1024:

Flow: established,to_server

Contents:

• Value: "NICK|20|[HAX|7c|" Depth: 10

Within:

PCRE:

Special Options:

source