Remove iOS anti-debug

In the reverse process often encounter anti-debugging, the following code:

0008bd8eMovs R1, #0xa;argument #2 for method Imp___symbolstub1__dlopen0008bd90BLX Imp___symbolstub1__dlopen0008bd94MOVW R1, #0xe1030008bd98         movR6, R00008bd9aMovt R1, #0x10;0x10e103 (Sub_10dfd8 + 0x12b)0008bd9e         AddR1, PC;"Ptrace", argument #2 for method Imp___symbolstub1__dlsym0008bda0BLX Imp___symbolstub1__dlsym0008bda4         movR4, R00008bda6movs R0, #0x1f0008bda8movs R1, #0x00008bdaamovs R2, #0x00008bdacmovs R3, #0x00008bdaeBLX R4

View Code

Find the Ptrace function address in the Dynamic Connection library, and then call the Ptrace function, reverse debugging, as long as the first parameter can be modified, arbitrarily change a value.

Refer to this article: http://www.cnblogs.com/catch/p/3476280.html

Follow-up will be perfected

Remove iOS anti-debug