""ET INFO Suspicious Dropbox Page - Possible Phishing Landing""

SID: 2025659

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2016_08_29, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2021_12_09, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: to_client,established

Contents:

  • Value: "200"

  • Value: "Content-Type|3a 20|text/html"

  • Value: "Dropbox"</p> </li> <li> <p>Value: "<form"</p> </li> <li> <p>Value: "password"</p> </li> <li> <p>Value: !"_csp_external_script_nonce"</p> </li> <li> <p>Value: !"when_ready_configure_requirejs"</p> </li> <li> <p>Value: !"DETERMINISTIC_MONKEY_CHECK"</p> </li> <li> <p>Value: !"<title>Dropbox Status"

Within:

PCRE:

Special Options:

  • http_stat_code

  • http_header

  • file_data

  • fast_pattern

  • nocase

  • nocase

source