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

SID: 2023304

Revision: 1

Class Type: attempted-admin

Metadata: attack_target Server, created_at 2016_09_27, deployment Datacenter, performance_impact Low, signature_severity Major, updated_at 2016_09_27

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: "ECCHI"

Within:

PCRE:

Special Options:

source