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Phishing Analysis

Detailed analysis of captured phishing page

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Captura Visual

Screenshot of serviceupdatevalidator.serveousercontent.com

Información de Detección

http://serviceupdatevalidator.serveousercontent.com/
Detected Brand
Zimbra
Country
Unknown
Confianza
100%
HTTP Status
200
Report ID
1d8f0218-2a6…
Analyzed
2026-06-24 22:12

Hashes de Contenido (Similitud HTML)

Used to detect similar phishing pages based on HTML content

Algorithm Hash Value
CONTENT TLSH
T1A181E7214045AC76858351C47AA0BF6817EA83B4C303484DF8E98F8D2AD3EE5E35B39A
CONTENT ssdeep
96:kSmZGweN13mKZjcAm95UEs7whV4C6j0Ly9/z:fX3Rjc7UdUhVB6uy9/z

Hashes Visuales (Similitud de Captura)

Used to detect visually similar phishing pages based on screenshots

Algorithm Hash Value
VISUAL pHash
b3e6cccc33332166
VISUAL aHash
ffffe3c3e7ffffe7
VISUAL dHash
204d4d4d4d32040c
VISUAL wHash
ffffe7c3e7000000
VISUAL colorHash
070000001c0
VISUAL cropResistant
204d4d4d4d32040c,c080a201a280a200,088bf0f464f0f00e

Análisis de Código

Risk Score 53/100
Nivel de Amenaza ALTO
⚠️ Phishing Confirmed
🎣 Credential Harvester

🔐 Credential Harvesting Forms

🔒 Obfuscation Detected

  • document.write

🎯 Kit Endpoints

  • https://mail.mao.kiev.ua/css/common,login,zhtml,skin.css?skin=harmony&v=240816021614
  • https://blog.zimbra.com

📤 Form Action Targets

  • https://petisse.serveousercontent.com/post.php

📊 Desglose de Puntuación de Riesgo

Total Risk Score
70/100

Contributing Factors

Active Phishing Kit
Detected kit types: Credential Harvester
Credential Harvesting
Credential harvesting detected with 1 form(s) capturing sensitive data
Code Obfuscation
JavaScript code obfuscated using 1 technique(s) to evade detection

🔬 Análisis Integral de Amenazas

Tipo de Amenaza
Credential Harvesting Kit
Objetivo
Zimbra users
Método de Ataque
credential harvesting forms + obfuscated JavaScript
Canal de Exfiltración
HTTP POST to backend
Evaluación de Riesgo
MEDIUM - Automated credential harvesting with HTTP POST to backend

⚠️ Indicators of Compromise

  • Kit types: Credential Harvester
  • 1 obfuscation techniques

🏢 Análisis de Suplantación de Marca

Impersonated Brand
Zimbra
Official Website
N/A
Fake Service
Credential harvesting service

⚔️ Metodología de Ataque

Primary Method: Credential Harvesting

Victim enters username and password into fake login form. Credentials are captured via JavaScript and exfiltrated to attacker's server in real-time.

Secondary Method: JavaScript Obfuscation

Malicious code is obfuscated using 1 techniques to evade detection by security scanners and make reverse engineering more difficult.

🌐 Indicadores de Compromiso de Infraestructura

Domain Information

Dominio
serviceupdatevalidator.serveousercontent.com
Registered
2025-11-02 19:32:09+00:00
Registrar
Key-Systems GmbH
Estado
Active (234 days old)

Hosting Information

Provider
Key-Systems GmbH
ASN

🤖 AI-Extracted Threat Intelligence

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😰
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