목록Security/System Hacking (10)
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SigReturn Oriented ProgrammingThis time I gonna post about SROP on x86, x86-64 linux(ubuntu). When i solved pwnable.kr 'unexploitable' challenge, there are over 2-way solutions. one is SROP(original intend) and another is ROP. So, i just decided to post..
Return Oriented ProgrammingThis time i gonna introduce about ROP attack(Return Oriented Programming). Before doing ROP, there are prior knowledges. 'RTL Chaining', 'GOT Overwrite/Dereference', 'Gadget', etc...- RTL Chaining'RTL Chaining' means continuou..
Memory Mitigations on Linux and WindowsThere are lots of memory mitigations on operation system like linux and windows. There are ASLR, NX, SSP(Stack Canary), PIE, etc...- On Linux1. ASLR(Address Space Layout Randomize)Enables randomization of memory al..