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Techniques to remove obfuscation from a piece of program.

5
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(I don't have quite enough reputation for a comment so please excuse a very partial answer.) You need to consider whether some of the bits are not part of the packet data but part of an encoding for …
answered Jun 20 '14 by Ian Cook
2
votes
It's a simple exclusive-or (^) operation with the byte 0x5A. With your examples - 'a' 0x61 ^ 0x5A = 0x3B 'b' 0x62 ^ 0x5A = 0x38 'z' 0x7A ^ 0x5A = 0x20 Plus some others you should be able to check …
answered Oct 23 '18 by Ian Cook