""ET INFO Observed File Sharing Domain (freeupload .store in TLS SNI)""

SID: 2051747

Revision: 1

Class Type: misc-activity

Metadata: attack_target Client_Endpoint, created_at 2024_03_20, deployment Perimeter, signature_severity Informational, updated_at 2024_03_20

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: "freeupload.store"

Within: 1

PCRE: "/^(?:\x00\x10|.\x2e)freeupload.store/R"

Special Options:

source