""ET INFO Peer to Peer File Sharing Service Domain in TLS SNI (cf-ipfs .com)""

SID: 2046686

Revision: 1

Class Type: misc-activity

Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2023_06_28, deployment Perimeter, performance_impact Low, signature_severity Informational, tag IPFS, updated_at 2023_06_28

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: established,to_server

Contents:

  • Value: "|16|"

  • Value: "|01|"

  • Value: "|00 00|"

  • Value: "|00|"

  • Value: "cf-ipfs.com"

Within: 1

PCRE: "/^(?:\x00\x0b|.\x2e)cf-ipfs.com/R"

Special Options:

source