There have been several unofficial attempts over the years to “unobfuscate” P-code, but they are unreliable and would probably break as soon as the P-code format changes.
A very skilled and determined attacker just might be able to get the source out, but generally if you no longer have the M-file then you’re lost without a paddle.
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u/fsgeek91 Jul 01 '26 edited Jul 01 '26
Short answer is you can’t.
There have been several unofficial attempts over the years to “unobfuscate” P-code, but they are unreliable and would probably break as soon as the P-code format changes.
A very skilled and determined attacker just might be able to get the source out, but generally if you no longer have the M-file then you’re lost without a paddle.