in the context of reversing a packed binary, what does VA and OEP means? and How can IAT be fixed manually?
closed as too broad by julian♦, perror, Paweł Łukasik, NirIzr, kn0x Nov 23 '17 at 15:24
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VA = virtual address. See VA (Virtual Address) & RVA (Relative Virtual Address)
OEP = original entry point. See Unpacking binaries in a generic way
How does IAT be fixed manually?
This question was asked and answered here: How would I go about rebuilding the IAT of a packed executable?
Have a look at Scylla as well.