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리버싱/기타

Anti Debugging using RDTSC

by 즉흥 2016. 7. 20.
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대회 문제 풀다가 안티 디버깅 몇 개 나와서 정리해봄.


RDTSC(ReaD Time Stamp Counter) - EDX:EAX에 반환(64bit)


The Time Stamp Counter was once an excellent high-resolution, low-overhead way for a program to get CPU timing information



https://en.wikipedia.org/wiki/Time_Stamp_Counter

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