![]() Just like trying to disprove the four colour theorem (actually proved in 1976 by computer), contemplating schemes to prevent program patching is fun but doomed to failure. This type of activity is used to work around product licensing systems, to enable or disable functionality of a program, and in this case, to force exposure of the bytecodes that have to exist at some point for the compiled PHP code to execute. ![]() Although very difficult to do, it is likely that hackers have focussed on actually modifying the behaviour of the loader components at the machine code level, effectively patching the.so files. The ionCube Loader, ZO for Zend, ixed for SG, all restore encoded files to some form of bytecode at runtime. However, given a decompiler, opcodes being hard to obtain is no longer enough.
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