""ET TROJAN ELF/Mirai User-Agent Observed (Outbound)""

SID: 2029472

Revision: 2

Class Type: web-application-attack

Metadata: affected_product Linux, attack_target IoT, created_at 2020_02_17, deployment Perimeter, signature_severity Major, updated_at 2020_02_17

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "User-Agent|3a 20|Ankit|0d 0a|"

Within:

PCRE:

Special Options:

  • nocase

  • http_header

  • fast_pattern

source