""ET TROJAN ELF/MooBot Mirai DDoS Variant Server Response M2""

SID: 2034640

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Linux, attack_target Client_Endpoint, created_at 2021_12_09, deployment Perimeter, performance_impact Significant, signature_severity Major, updated_at 2021_12_09

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: ![443,80]

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|00 00 00 3c|" Depth: 4

  • Value: "|01|"

  • Value: "|20|"

Within: 1

PCRE: "/^[\x01-\x04]/R"

Special Options:

  • fast_pattern

source