""ET INFO Onion/TOR Proxy Client Request""

SID: 2032083

Revision: 3

Class Type: bad-unknown

Metadata: attack_target Client_and_Server, created_at 2021_03_16, deployment Perimeter, signature_severity Informational, updated_at 2022_12_08

Reference:

Protocol: tcp

Source Network: [$HOME_NET,$HTTP_SERVERS]

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "|05 01 00|" Depth: 3

  • Value: ".onion"

Within:

PCRE:

Special Options:

  • fast_pattern

source