""ET POLICY Known External IP Lookup Service Domain in SNI""

SID: 2031616

Revision: 2

Class Type: misc-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_02_12, deployment Perimeter, signature_severity Minor, updated_at 2021_02_12

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: to_server,established

Contents:

  • Value: "|16|" Depth: 1

  • Value: "|01|"

  • Value: "|00 00 12|www.watismijnip.nl"

Within:

PCRE:

Special Options:

source