""ET TROJAN ELF/MooBot Mirai DDoS Variant CnC Checkin M2 (Group String Len 2+)""

SID: 2030491

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Linux, attack_target Client_Endpoint, created_at 2020_07_09, deployment Perimeter, malware_family Mirai, malware_family MooBot, signature_severity Major, updated_at 2021_07_22

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "|33 66 99|" Depth: 3

Within:

PCRE: "/^[A-Za-z0-9_-]+$/Rsi"

Special Options:

source