""ET INFO Observed Dropbox paper Domain (paper-attachments .dropboxusercontent .com) in DNS Query""

SID: 2052814

Revision: 1

Class Type: misc-activity

Metadata: affected_product Any, attack_target Client_and_Server, created_at 2024_05_21, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag TA_Abused_Service, updated_at 2024_05_21

Reference:

Protocol: udp

Source Network: $HOME_NET

Source Port: any

Destination Network: any

Destination Port: 53

Flow:

Contents:

  • Value: "|01|" Depth: 1 Offset: 2

  • Value: "|00 01 00 00 00 00 00|"

  • Value: "|11|paper-attachments|12|dropboxusercontent|03|com|00|"

Within: 42

PCRE:

Special Options:

  • fast_pattern

  • nocase

source