{"id":491,"date":"2025-07-24T11:42:35","date_gmt":"2025-07-24T17:42:35","guid":{"rendered":"https:\/\/gtecnologica.com\/blog\/?p=491"},"modified":"2025-07-24T12:38:15","modified_gmt":"2025-07-24T18:38:15","slug":"ataque-hackers-sharepoint-2025-protegete","status":"publish","type":"post","link":"https:\/\/gtecnologica.com\/blog\/ataque-hackers-sharepoint-2025-protegete\/","title":{"rendered":"\u00a1ALERTA M\u00c1XIMA! Hackers Chinos atacan servidores SharePoint"},"content":{"rendered":"<h2 style=\"text-align: center;\">\u00bfQu\u00e9 debes hacer hoy mismo para Proteger tu Empresa?<\/h2>\n<h2>\ud83d\udd0d En t\u00e9rminos Simples: \u00bfQu\u00e9 Riesgo corre tu empresa Hoy?<\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-535 alignright\" src=\"https:\/\/gtecnologica.com\/blog\/wp-content\/uploads\/2025\/07\/gestor-documental-para-empresas-server-SHAREPOINT-300x174.jpg\" alt=\"los servidores Microsoft SharePoint, utilizados por miles de empresas para compartir archivos y colaborar internamente, se encuentran bajo ataque activo por parte de grupos de hackers chinos.\" width=\"311\" height=\"180\" srcset=\"https:\/\/gtecnologica.com\/blog\/wp-content\/uploads\/2025\/07\/gestor-documental-para-empresas-server-SHAREPOINT-300x174.jpg 300w, https:\/\/gtecnologica.com\/blog\/wp-content\/uploads\/2025\/07\/gestor-documental-para-empresas-server-SHAREPOINT-768x445.jpg 768w, https:\/\/gtecnologica.com\/blog\/wp-content\/uploads\/2025\/07\/gestor-documental-para-empresas-server-SHAREPOINT.jpg 906w\" sizes=\"(max-width: 311px) 100vw, 311px\" \/>Imagina que tu computadora de oficina tiene una <strong>\u00abpuerta invisible\u00bb<\/strong> que cualquier hacker del mundo puede abrir sin permiso. Aunque parezca exagerado, esto est\u00e1 ocurriendo actualmente. Los <strong>servidores Microsoft SharePoint<\/strong> \u2014usados por miles de empresas para compartir archivos y colaborar internamente\u2014 est\u00e1n siendo blanco de <strong>ataques cibern\u00e9ticos avanzados<\/strong> por parte de <strong>grupos de hackers chinos.<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Estos cibercriminales est\u00e1n aprovechando fallos de seguridad para acceder a datos altamente sensibles, incluyendo bases de datos de clientes, contratos y credenciales internas. En consecuencia, si utilizas SharePoint en tu organizaci\u00f3n, podr\u00edas estar en riesgo sin saberlo.<\/p>\n<p>&nbsp;<\/p>\n<h2>\u26a0\ufe0f Los Fallos Cr\u00edticos que no puedes ignorar<\/h2>\n<p>Se han identificado dos vulnerabilidades de seguridad extremadamente peligrosas, conocidas como <strong>CVE-2025-49704<\/strong> y <strong>CVE-2025-49706<\/strong>. A continuaci\u00f3n, te las explicamos en t\u00e9rminos simples:<\/p>\n<ul>\n<li><strong>CVE-2025-49706:<\/strong> Permite a un atacante suplantar a un usuario leg\u00edtimo. Es como si alguien usara el uniforme de un empleado para entrar a tu oficina sin levantar sospechas.<\/li>\n<li><strong>CVE-2025-49704:<\/strong> Da acceso remoto para instalar malware y controlar el servidor afectado.<\/li>\n<\/ul>\n<p>Cuando se combinan, estas dos brechas permiten un <strong>robo total de la informaci\u00f3n<\/strong> alojada en SharePoint: documentos internos, configuraciones del sistema, archivos estrat\u00e9gicos\u2026 \u00a1todo!<\/p>\n<p>&nbsp;<\/p>\n<h2>\ud83d\udcca \u00bfPor qu\u00e9 este riesgo es urgente?<\/h2>\n<ul>\n<li>M\u00e1s de <strong>400 agencias gubernamentales y empresas privadas<\/strong> ya han sido hackeadas.<\/li>\n<li>Los grupos responsables \u2014como <strong>Linen Typhoon<\/strong> y <strong>Violet Typhoon<\/strong>\u2014 est\u00e1n especializados en espionaje digital.<\/li>\n<li>Usan t\u00e9cnicas discretas y avanzadas, como archivos disfrazados (por ejemplo: <code>debug.js<\/code>) que en realidad contienen virus.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>\ud83d\udee1\ufe0f \u00bfQu\u00e9 hacer si usas SharePoint? Sigue esta Gu\u00eda en 3 Pasos<\/h2>\n<h3>1. Verifica la versi\u00f3n de SharePoint que est\u00e1s utilizando<img decoding=\"async\" class=\"size-medium wp-image-553 alignright\" src=\"https:\/\/gtecnologica.com\/blog\/wp-content\/uploads\/2025\/07\/version-SharePoint-2016-300x150.jpg\" alt=\"o Si usas SharePoint 2013 o anterior: Descon\u00e9ctalo INMEDIATAMENTE de internet. Microsoft ya no da sop\" width=\"300\" height=\"150\" srcset=\"https:\/\/gtecnologica.com\/blog\/wp-content\/uploads\/2025\/07\/version-SharePoint-2016-300x150.jpg 300w, https:\/\/gtecnologica.com\/blog\/wp-content\/uploads\/2025\/07\/version-SharePoint-2016.jpg 700w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/h3>\n<ul>\n<li><strong>SharePoint 2013 o anterior:<\/strong> Descon\u00e9ctalo <strong>inmediatamente<\/strong> de internet. Microsoft ya no ofrece soporte y est\u00e1 completamente expuesto.<\/li>\n<li><strong>Versiones recientes (2016, 2019, 2022):<\/strong> Aplica los <strong>parches de seguridad de emergencia<\/strong> publicados por Microsoft el <strong>8 de julio de 2025<\/strong>.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>2. Activa el Escudo AMSI<\/h3>\n<p>Microsoft recomienda activar el <strong>Antimalware Scan Interface (AMSI)<\/strong>, una funcionalidad que act\u00faa como un detector de amenazas dentro del servidor. Es una defensa \u00fatil, pero <strong>no suficiente<\/strong>. Debes seguir con el parche completo para garantizar una protecci\u00f3n real.<\/p>\n<h3>3. Cambia las \u201cLlaves Maestras\u201d del Servidor<\/h3>\n<p>Los atacantes est\u00e1n robando <strong>MachineKeys<\/strong>, claves que protegen datos cifrados. La agencia CISA recomienda cambiarlas <strong>dos veces<\/strong>: una antes y otra despu\u00e9s de instalar los parches. Luego, <strong>reinicia el servidor<\/strong> para aplicar todos los cambios.<\/p>\n<p>&nbsp;<\/p>\n<h2>\u2757 Datos importantes que debes saber<\/h2>\n<ul>\n<li><strong>AMSI no es invulnerable:<\/strong> los hackers m\u00e1s experimentados ya conocen t\u00e9cnicas para evadirlo. Por ello, el parche es obligatorio.<\/li>\n<li><strong>SharePoint Online (en la nube)<\/strong> no est\u00e1 afectado. Solo los servidores locales (\u201c<em>on-premises<\/em>\u201d) est\u00e1n en peligro.<\/li>\n<li><\/li>\n<\/ul>\n<h2>\ud83d\udca1 Consejo Final: No seas parte de la estad\u00edstica<\/h2>\n<p>Parchear tu servidor <strong>no es opcional<\/strong>; es como cerrar la puerta de tu casa antes de dormir. Si gestionas datos sensibles en tu empresa, debes actuar ahora:<\/p>\n<ul>\n<li>\ud83d\udd0c Desconecta los sistemas antiguos.<\/li>\n<li>\ud83d\udee0\ufe0f Actualiza y parchea los servidores recientes.<\/li>\n<li>\ud83d\udd75\ufe0f\u200d\u2642\ufe0f Monitorea conexiones sospechosas a estas IPs:<br \/>\n<code>107.191.58.76<\/code>, <code>104.238.159.149<\/code>, <code>96.9.125.147<\/code>.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<div style=\"background: linear-gradient(135deg, #ff4c4c, #990000); padding: 30px 20px; border-radius: 12px; text-align: center; color: white; box-shadow: 0 4px 10px rgba(0,0,0,0.2); max-width: 600px; margin: auto;\">\n<h2 style=\"font-size: 22px; line-height: 1.4; margin-bottom: 15px; color: #ffffff;\">\u00bfQuieres dormir tranquilo sabiendo que tu empresa est\u00e1 protegida?<\/h2>\n<p style=\"font-size: 16px; margin-bottom: 18px;\">En <strong>GTEC<\/strong>, transformamos la informaci\u00f3n t\u00e9cnica en acciones claras. Te ayudamos a proteger tu infraestructura digital sin complicaciones ni tecnicismos innecesarios.<\/p>\n<p style=\"font-size: 16px; margin-bottom: 25px;\">Evita ataques, protege tu informaci\u00f3n y mant\u00e9n a salvo tu empresa. \u00a1Act\u00faa hoy!<\/p>\n<p><a style=\"display: inline-block; background: #ffffff; color: #990000; font-weight: bold; padding: 12px 20px; border-radius: 8px; text-decoration: none; font-size: 15px; max-width: 100%; box-sizing: border-box;\" href=\"https:\/\/www.gtecnologica.com\/contact.php\" target=\"_blank\" rel=\"noopener\">Solicitar Auditor\u00eda de Seguridad<\/a><\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><strong>Porque la ciberseguridad no es solo para expertos\u2026 es para todos.<\/strong><\/p>\n<p>&nbsp;<\/p>\n<h4>\ud83d\udcda Fuentes Oficiales Para Profundizar:<\/h4>\n<ul>\n<li><a href=\"https:\/\/cve.mitre.org\/cve\/search_cve_list.html\">Detalles T\u00e9cnicos de CVE-2025-49706<\/a><\/li>\n<li><a href=\"https:\/\/www.cisa.gov\/news-events\/alerts\/2025\/07\/20\/microsoft-releases-guidance-exploitation-sharepoint-vulnerability-cve-2025-53770\">Gu\u00eda de Parches de Emergencia (Microsoft)<\/a><\/li>\n<li><a href=\"https:\/\/thehackernews.com\/2025\/07\/cisa-orders-urgent-patching-after.html\">Reporte Completo de The Hacker News<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u00bfQu\u00e9 debes hacer hoy mismo para Proteger tu Empresa? \ud83d\udd0d En t\u00e9rminos Simples: \u00bfQu\u00e9 Riesgo corre tu empresa Hoy? Imagina que tu computadora de oficina tiene una \u00abpuerta invisible\u00bb que cualquier hacker del mundo puede abrir sin permiso. Aunque parezca exagerado, esto est\u00e1 ocurriendo actualmente. Los servidores Microsoft SharePoint \u2014usados por miles de empresas para [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":524,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44],"tags":[],"class_list":["post-491","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seguridad-informatica"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u00a1ALERTA M\u00c1XIMA! 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