14 lines
300 B
Plaintext
14 lines
300 B
Plaintext
FOSS in the Mobile World
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Work at 25C3
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IMSI+IMEI skimming
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very simple:
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phones with automatic network selection pick strongest network
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they send LOCATION UPDATE REQUEST
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we send IDENTITY REQUEST IMSI + IMEISV
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they send IMSI + IMEISV
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we store this in the databasa
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and then send LOCATION UPDATE REJECT
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