Jump With Same Target

Created the Monday 18 March 2019. Updated 3 years, 6 months ago.

This technique is a back-to-back conditional jump instructions that both point to the same target. If a jz loc_512 is followed by jnz loc_512, the location loc_512 will always be jumped to. The combination of jz with jnz is, in effect, an unconditional jmp, but the disassembler doesn’t recognize it as such because it only disassembles one instruction at a time.

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