""ET SCAN LibSSH Based Frequent SSH Connections Likely BruteForce Attack""

SID: 2006546

Revision: 6

Class Type: attempted-admin

Metadata: created_at 2010_07_30, updated_at 2015_04_15

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: 22

Flow: established,to_server

Contents:

  • Value: "SSH-"

  • Value: "libssh"

Within: 20

PCRE:

Special Options:

source