""ET INFO DropBox User Content Download Access over SSL M2""

SID: 2035594

Revision: 2

Class Type: misc-activity

Metadata: attack_target Client_Endpoint, created_at 2022_03_24, deployment Perimeter, performance_impact Low, signature_severity Informational, updated_at 2022_03_24

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: 443

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|16|"

  • Value: "|0b|"

  • Value: "|06 03 55 04 03|"

  • Value: "|0e|dl.dropbox.com"

Within: 15

PCRE:

Special Options:

  • fast_pattern

source