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Mastering Metasploit by Nipun Jaswal

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Finalizing the exploit

After the difficult sessions of gathering essentials for exploit writing, let's now finally dive deep into writing the Metasploit code for the exploit and own a target completely.

Determining bad characters

Sometimes it may happen that after setting up everything right for exploitation, we may never get to exploit the system. Alternatively, it might happen that our exploit is completed but the payload fails to execute. This can happen in cases where some of the characters generated by the variable data or in the payload fail to execute. This will make the entire exploit unusable and we will struggle to get the shell or meterpreter back onto the system. In this case, we need to determine the bad characters that are preventing ...

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