""ET INFO URL Observed in PDF Downloaded via Dropbox""

SID: 2030047

Revision: 2

Class Type: misc-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2020_04_28, deployment SSLDecrypt, signature_severity Informational, updated_at 2020_04_28

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "200"

  • Value: "x-dropbox-request-id|3a|"

  • Value: "|25 50 44 46|" Depth: 4

  • Value: "/Type /Action /S /URI"

Within:

PCRE:

Special Options:

  • http_stat_code

  • http_header

  • file_data

  • fast_pattern

  • nocase

source