""ET INFO TLS Handshake Failure""

SID: 2029340

Revision: 2

Class Type: bad-unknown

Metadata: attack_target Client_Endpoint, created_at 2020_01_30, deployment Perimeter, signature_severity Informational, updated_at 2020_01_30

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: 443

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|15|" Depth: 1

  • Value: "|00 02 02 28|"

Within: 4

PCRE:

Special Options:

  • fast_pattern

source