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Results tagged with shellcode
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user 60563
In computer security, a shellcode is a small piece of code used as the payload in the exploitation of a software vulnerability. It is called "shellcode" because it typically starts a command shell from which the attacker can control the compromised machine, but any piece of code that performs a similar task can be called shellcode.
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Why would legitimate programs have a `jmp esp` instruction?
It appears that a common exploit trick is to use stack overflow to overwrite the instruction pointer such that it points to a jmp esp instruction somewhere in the code segment which then executes the …
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