MobiDeke Fuzzing the GSM Protocol Stack

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$\H1B%-12345X@PJL JOB “HackingPrinters”$

IntroductionFuzzing over-the-airThe MobiDeke FrameworkConclusionSample of a crash in the reportFri , 07 Sep 2012 16:18:47Fri , 07 Sep 2012 16:21:07Fuzzing (re ) startedAT answer : Timeout!AT is working once againAT ErrorAT is working once againAT answer : Strange Oo!Testcases generation and mutationMonitoringReportFuture enhancementMobiDeke: Fuzzing the GSM Protocol Stack 31/38
IntroductionFuzzing over-the-airThe MobiDeke FrameworkConclusionTestcases generation and mutationMonitoringReportFuture enhancementMonitoring enhancement• Hard without a debugger: a lot of states to check• We lately managed to get a qcombbdbg running on some phones: HTCDesire S/Z• It’s also possible to debug using the JTAG interface and additional hardware(e.g.: RIFFBOX)• With a debugger: we don’t need heuristics to detect crashesMobiDeke: Fuzzing the GSM Protocol Stack 32/38
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MobiDeke Fuzzing the GSM Protocol Stack

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