iosapp-insecurity

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1、WhitepaperiOSApplication(In)SecurityMay2012Preparedby:DominicChellE-Mail:research@mdsec.co.ukMDSecConsultingLtdiOSApplication(In)SecurityContents1.Introduction.........................................................................................42.Back

2、ground.........................................................................................52.1.iOSSecurityFeaturesPrimer...........................................................5CodeSigning...........................................................

3、...............................5ExploitMitigationFeatures.......................................................................5Sandboxing............................................................................................6Encryption.............

4、.................................................................................72.2.iOSApplicationOverview................................................................72.3.PreviousWork..................................................................

5、..............73.BlackBoxAssessment..........................................................................8Introduction...........................................................................................83.1.DecryptingAppStoreBinaries...........

6、...............................................83.2.LocatingthePositionIndependentExecutable.................................103.3.IdentifyingtheuseofStackSmashingProtection............................123.4.IdentifyingtheuseofAutomaticReferenceCounting...

7、....................123.5.InspectingtheBinary....................................................................133.6.ManipulatingtheRuntime..............................................................14Example:BypassingJailbreakDetection...............

8、...................................143.7.DefendingtheBinary....................................................................173.8.Conclusion........................................................................