{"id":1994,"date":"2021-08-19T14:03:55","date_gmt":"2021-08-19T12:03:55","guid":{"rendered":"https:\/\/www.infordisa.com\/soc\/?post_type=glossary&#038;p=1994"},"modified":"2021-08-19T14:05:05","modified_gmt":"2021-08-19T12:05:05","slug":"email-spoofing","status":"publish","type":"glossary","link":"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/email-spoofing\/","title":{"rendered":"email spoofing"},"content":{"rendered":"<p>Email <a class=\"glossaryLink\"  href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/spoofing\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>spoofing<\/a> es la creaci&oacute;n de mensajes de correo electr&oacute;nico con una direcci&oacute;n de remitente falso. Es f&aacute;cil de hacer porque los protocolos b&aacute;sicos del servicio de correo electr&oacute;nico no tienen ning&uacute;n mecanismo de <a class=\"glossaryLink\" href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/autenticacion\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">autenticaci&oacute;n<\/a>.<\/p>\n<h2><span id=\"Detalles_t&eacute;cnicos\" class=\"mw-headline\">Detalles t&eacute;cnicos<\/span><\/h2>\n<p>Cuando se env&iacute;a un correo electr&oacute;nico&nbsp;<a class=\"glossaryLink\"  href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/smtp\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>SMTP<\/a>, la conexi&oacute;n inicial ofrece dos piezas de informaci&oacute;n de la direcci&oacute;n:<\/p>\n<dl>\n<dd><b>MAIL FROM:<\/b>&nbsp;&ndash; presenta generalmente al destinatario como la&nbsp;cabecera&nbsp;<i>Return-path:<\/i>&nbsp;(ruta de retorno:), pero normalmente no es visible para el usuario final, y por omisi&oacute;n no se hacen chequeos de que el sistema de env&iacute;o est&eacute; autorizado a enviar en nombre de esa direcci&oacute;n.<\/dd>\n<dd><b>RCPT TO:<\/b>&nbsp;&ndash; especifica a qu&eacute; direcci&oacute;n de correo electr&oacute;nico debe entregarse el mensaje, normalmente no es visible para el usuario final, pero puede estar presente en las cabeceras como parte de la cabecera&nbsp;<i>Received:<\/i>&nbsp;(&laquo;Recibido:&raquo;).<\/dd>\n<\/dl>\n<p>En conjunto, se refieren a &eacute;stos a veces como el direccionamiento del &laquo;sobre&raquo;, por analog&iacute;a con un sobre de papel tradicional.<sup id=\"cite_ref-3\" class=\"reference separada\"><\/sup>&#8203;<\/p>\n<p>Una vez que el <a class=\"glossaryLink\"  href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/servidor\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>servidor<\/a> de correo receptor avisa que acepta estos dos art&iacute;culos, el sistema de origen env&iacute;a el comando &laquo;DATA&raquo;, y por lo general env&iacute;a varios elementos de encabezado, incluyendo:<\/p>\n<dl>\n<dd><b>De:<\/b>&nbsp;Joe Q Doe &lt;joeqdoe@example.com&gt; &ndash; la direcci&oacute;n visible para el receptor; pero una vez m&aacute;s, de forma predeterminada no se hacen chequeos de que el sistema de env&iacute;o est&eacute; autorizado a enviar en nombre de esa direcci&oacute;n.<\/dd>\n<dd><b>Responder-a:<\/b>&nbsp;Jane Roe &lt;Jane.Roe@example.mil&gt; &ndash; no se comprueba de manera similar<\/dd>\n<\/dl>\n<p>El resultado es que el destinatario de correo electr&oacute;nico vea el correo electr&oacute;nico como provenientes de la direcci&oacute;n en la cabecera&nbsp;<i>From:<\/i>; veces que puede ser capaz de encontrar la direcci&oacute;n de MAIL FROM; y si responden a la direcci&oacute;n de correo electr&oacute;nico que va a ir a cualquiera de la direcci&oacute;n presentada en el MAIL FROM: o la Cabecera Responder a: &ndash; pero ninguna de estas direcciones son t&iacute;picamente confiables,<sup id=\"cite_ref-4\" class=\"reference separada\"><\/sup>&#8203; por lo que los mensajes de rebote automatizados pueden generar retrodispersi&oacute;n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Email spoofing es la creaci&oacute;n de mensajes de correo electr&oacute;nico con una direcci&oacute;n de remitente falso. Es f&aacute;cil de hacer porque los protocolos b&aacute;sicos del servicio de correo electr&oacute;nico no tienen ning&uacute;n mecanismo de autenticaci&oacute;n.<\/p>\n","protected":false},"author":2,"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-1994","glossary","type-glossary","status-publish","hentry"],"acf":[],"yoast_head":"<title>email spoofing - Infordisa \/ Security Operations Center<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/email-spoofing\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"email spoofing - Infordisa \/ Security Operations Center\" \/>\n<meta property=\"og:description\" content=\"Email spoofing es la creaci&oacute;n de mensajes de correo electr&oacute;nico con una direcci&oacute;n de remitente falso. 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