""ET SCAN Mirai Variant User-Agent (Inbound)""

SID: 2029025

Revision: 4

Class Type: attempted-admin

Metadata: affected_product Linux, attack_target IoT, created_at 2019_11_21, deployment Perimeter, signature_severity Minor, updated_at 2024_01_31

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: [$HOME_NET,$HTTP_SERVERS]

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "User-Agent|3a 20|APEP"

Within:

PCRE:

Special Options:

  • http_header

  • fast_pattern

source