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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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shellcode + address that leads to the NOP slide through the filename environment variable). Common variations of execve bin/sh resulted in a segmentation fault within their own code, for some reason … , but one oddly specific shellcode really did work for me: Taken from https://www.exploit-db.com/exploits/38116/ It calls upon execve to run /bin/cat on /etc/passwd Disassembly of section .text …
asked Mar 17 '17 by Kfirprods