""ET TELNET busybox MIRAI hackers - Possible Brute Force Attack""

SID: 2023019

Revision: 2

Class Type: attempted-admin

Metadata: attack_target Server, created_at 2016_08_08, deployment Datacenter, performance_impact Low, signature_severity Major, updated_at 2016_09_26

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: [23,2323,3323,4323]

Flow: to_server,established

Contents:

  • Value: "MIRAI"

Within:

PCRE:

Special Options:

source