SS7<\/strong> <\/a>och svaret utg\u00f6rs av basstationernas individualitet. Varje enskild basstation har speciella koordinater och adresserar ett omr\u00e5de. Som ett resultat av t\u00e4theten varierar policyomr\u00e5det i en metropol fr\u00e5n tusentals till tusentals.<\/p>\n <\/p>\n
En angripare kan dra nytta av mobiln\u00e4tets s\u00e4rdrag f\u00f6r att skapa platsbest\u00e4llningar och dessutom sp\u00e5ra basstationen med dess egen individualitet genom att anv\u00e4nda Stealthy SS7 Attacks 4-5 en rad webbverktyg. Sanningshalten i denna platsuppt\u00e4ckt baseras p\u00e5 basstationens policyomr\u00e5de. Att den onda akt\u00f6ren fastst\u00e4ller platsen f\u00f6r den basstation som fungerar f\u00f6r abonnenten i nul\u00e4get.<\/p>\n
V\u00e5ra analyser visar att loppor har uppt\u00e4ckt att de kan fastst\u00e4lla abonnentens position med precision. En mobil enhet f\u00e5r tecken i basstationer. Om den onda faktorn best\u00e4mmer koordinaterna f\u00f6r 3 eller till och med 2 basstationer n\u00e4rmast denna abonnent, kan abonnentens plats begr\u00e4nsas.<\/p>\n
<\/p>\n
Vanligtvis v\u00e4ljer en mobil enhet en basstation med alla radiostatusar under en transaktion. D\u00e4rf\u00f6r m\u00e5ste den mobila enheten mata in tecken med detta n\u00e4tverk. \u00c4ven den onda faktorn kan arbeta med ett SMS f\u00f6r att starta en dold transaktion tillsammans med alla m\u00e5labonnenter. Informationen om dessa meddelanden kan erbjudas fr\u00e5n abonnentens \u00f6verv\u00e4gande.<\/p>\n
<\/p>\n
Ett \u00e4nnu b\u00e4ttre s\u00e4tt att d\u00f6lja en transaktion \u00e4r att alltid anv\u00e4nda dolda USSD-meddelanden. \u00c4ven om denna typ av transaktion inte registreras fr\u00e5n laddningsproceduren p\u00e5b\u00f6rjar de teckenutbyte mellan din mobila enhet och n\u00e4tverket. \u00c4ven den onda faktorn kan \u00f6ka platsens precision genom att manipulera basstationsidentifieringar och USSD-meddelanden.<\/p>\n
<\/p>\n
Inkr\u00e4ktaren fr\u00e5gar efter identifieraren f\u00f6r deras basstation. Din inkr\u00e4ktare s\u00e4nder ett tyst meddelande f\u00f6r att f\u00f6rm\u00e5 abonnentens enheter att utf\u00f6ra en transaktion via en tr\u00e5dl\u00f6s port. I s\u00e5 fall f\u00e5r inkr\u00e4ktaren positioneringsf\u00f6rst\u00e4rkning.<\/p>\n
<\/p>\n
N\u00e4tverket kan v\u00e4lja en ny basstation f\u00f6r att genomf\u00f6ra transaktionen, och VLR-databasen (Visitor Location Register) uppgraderar abonnentens plats. Inkr\u00e4ktaren fr\u00e5gar exakt abonnentens plats \u00e4nnu en g\u00e5ng och f\u00e5r identifieraren f\u00f6r denna basstation. D\u00e4rmed kan inkr\u00e4ktaren smala av det omr\u00e5de d\u00e4r abonnenten kan hittas i nul\u00e4get.<\/p>\n
<\/p>\n
Slutsats:<\/h2>\n
\u00c4ven \"walled garden\" -designen \u00e4r f\u00f6r\u00e5ldrad. \u00c4ven SS7-signaleringsprocessen \u00e4r k\u00e4nd som processen f\u00f6r telefonn\u00e4tet. F\u00f6re skapandet av SS7 flyttades serviceorder f\u00f6r abonnentf\u00f6rh\u00e5llanden och informationspaketfrakt med en station. Denna metod uppdaterades och ersattes med alla de globala signaleringsprogrammen (SS7) \u00f6ver 30 decennier tillbaka. SS7-riktm\u00e4rket fastst\u00e4ller utbytesprotokollen f\u00f6r data och procedurer runt n\u00e4tverksenheter i telekommunikationsf\u00f6retag. SS7 fungerar som en bas f\u00f6r att f\u00e5 en signaleringsinfrastruktur i lokala, nationella n\u00e4tverk.<\/p>\n
<\/p>\n
Det lyckades inte utg\u00f6ra n\u00e5got hot mot abonnenter eller operat\u00f6rer, \u00e4ven om SS7-n\u00e4tet visade sig vara en plattform. N\u00e4tverket utvecklades f\u00f6r att matcha normerna f\u00f6r mobill\u00e4nk och servicest\u00f6d, \u00e4ven p\u00e5 21-talet, ocks\u00e5 n\u00e5gra par signaleringstransportprotokoll som kallas SIGTRAN har f\u00f6rst etablerats. SIGTRAN kan vara en expansion f\u00f6r SS7 som m\u00f6jligg\u00f6r anv\u00e4ndning av IP-n\u00e4tverk f\u00f6r att flytta meddelanden, \u00e4ven denna uppfinning upph\u00f6rde signaleringsn\u00e4tverket att spridas.<\/p>","protected":false},"excerpt":{"rendered":"
SS7 Positioning Enhancement During Location Tracking F\u00f6rmodligen en av attackerna p\u00e5 SS7-n\u00e4tverk skulle vara platsobservation. En framst\u00e4llningsabonnentplats dirigeras med hj\u00e4lp av SS7-n\u00e4tverk och svaret best\u00e5r ocks\u00e5 av basstationens individualitet. Varje enskild basstation har speciella koordinater och adresserar ett omr\u00e5de. Som ett resultat av densitet \u00e4r ...<\/p>","protected":false},"author":1,"featured_media":1728,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[69,1],"tags":[],"class_list":["post-479","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sms-intercept","category-ss7-sms"],"yoast_head":"\n
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