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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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Generating unicode javascript shellcode
I'm trying to generate shellcode to modify this exploit:
https://www.exploit-db.com/exploits/24947/
It says in the basic exploit:
{'$where':'shellcode=unescape("METASPLOIT JS GENERATED SHELLCODE"); … Looking at the other shellcode in the exploit it looks like utf-8 unicode encoded shellcode (eg "%u9090%u9090") but I don't know how to generate it. …