""ET TROJAN IndigoZebra APT BoxCaon DropBox Activity (POST)""

SID: 2033220

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_07_02, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_07_02

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/2/files/create_folder_v2"

  • Value: "Authorization|3a 20|Bearer|20|iioKFUvLMX0AAAAAAAAAARDKLMS9uW1ax9ogdxWVqMC582VLW-CVofMpeFTEVfhU|0d 0a|"

  • Value: "Host|3a 20|api.dropboxapi.com|0d 0a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_header

source