{"id":364,"date":"2024-01-12T03:22:29","date_gmt":"2024-01-12T00:22:29","guid":{"rendered":"https:\/\/sms-txt.net\/?p=364"},"modified":"2024-09-05T12:45:10","modified_gmt":"2024-09-05T09:45:10","slug":"localisation","status":"publish","type":"post","link":"https:\/\/sms-txt.net\/fr\/ss7-sms\/localisation\/","title":{"rendered":"Suivi de la localisation"},"content":{"rendered":"<p>Pouvoir<strong> suivre l'emplacement<\/strong> de votre cible est un objectif pr\u00e9cieux pour les op\u00e9rations d'espionnage. Imaginez la capacit\u00e9 d'un pays \u00e9tranger \u00e0 suivre l'emplacement exact de sa cible de surveillance sans avoir \u00e0 surveiller physiquement ses mouvements.<\/p>\n<p>Lorsqu'un message MAP anyTimeInterrogation est envoy\u00e9 au HLR de l'abonn\u00e9, il d\u00e9clenche un message provideSubscriberInfo (PSI) qui est ensuite envoy\u00e9 au VLR\/MSC auquel l'abonn\u00e9 est connect\u00e9. Ce message renvoie l'identifiant de la cellule (Cell-ID) de l'abonn\u00e9, entre autres informations. L'attaquant peut utiliser ce message pour obtenir l'identifiant de la cellule. L'identifiant cellulaire peut ensuite \u00eatre mis en correspondance avec un emplacement r\u00e9el, jusqu'au niveau de la rue, en utilisant des informations cartographiques accessibles au public.<\/p>\n<h2><strong>Localisation - provideSubscriberInfo (PSI)<\/strong><\/h2>\n<p>Si le message ATI a \u00e9t\u00e9 filtr\u00e9, l'attaquant peut toujours envoyer le message provideSubscriberInfo directement au MSC\/VLR sur lequel se trouve l'abonn\u00e9. L'attaquant devra d'abord trouver l'IMSI et l'adresse du MSC \u00e0 l'aide d'un message comme sendRoutingInfoForSM qui renvoie l'adresse GT (Global Title) du MSC.<\/p>\n<h2><strong>Suivi de la localisation - provideSubscriberLocation<\/strong><\/h2>\n<p>Le message provideSubscriberLocation (PSL) est l\u00e9gitimement utilis\u00e9 par le Gateway Mobile Location Center (GMLC) pour fournir la localisation d'un abonn\u00e9. Le MSC n'a pas la capacit\u00e9 d'authentifier un serveur GMLC mais v\u00e9rifie l'adresse GT de l'exp\u00e9diteur. Malheureusement, l'attaquant peut toujours usurper l'adresse GMLC et l'utiliser pour envoyer le message PSL.<\/p>","protected":false},"excerpt":{"rendered":"<p>Pouvoir localiser sa cible est un objectif pr\u00e9cieux pour les op\u00e9rations d'espionnage. Imaginez la capacit\u00e9 d'un pays \u00e9tranger \u00e0 suivre l'emplacement exact de sa cible de surveillance sans avoir \u00e0 surveiller physiquement ses mouvements. Lorsqu'un message MAP anyTimeInterrogation est envoy\u00e9 au HLR de l'abonn\u00e9, il d\u00e9clenche un message provideSubscriberInfo...<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[70,1],"tags":[],"class_list":["post-364","post","type-post","status-publish","format-standard","hentry","category-location-tracking","category-ss7-sms"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v26.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Location Tracking<\/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:\/\/sms-txt.net\/fr\/ss7-sms\/localisation\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Location Tracking\" \/>\n<meta property=\"og:description\" content=\"Being able to track the location of your target is a valuable goal for espionage operations. 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