""ET INFO Redirect to Discord Attachment Download""

SID: 2049228

Revision: 1

Class Type: misc-activity

Metadata: attack_target Client_Endpoint, created_at 2023_11_16, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Informational, updated_at 2023_11_16

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: ".discordapp.com/attachments/"

Within:

PCRE: "/^Location\x3a\x20[^\r\n]+.discordapp.com\/attachments\//Hmi"

Special Options:

  • http_header

  • fast_pattern

  • nocase

source