Run as administrator on 圆4dbg because PassFab only works with this privilege. The first step is to load a program in 圆4dbg, which is simple to do (press ALT+A to connect the program). For static analysis, I use IDA PRO 6.8 Version, and for dynamic analysis, I use 圆4dbg. Let’s get our hands dirty: To disassemble the software and recreate each step, we need a few tools. Although this program can be exploited without endangering users, I was still able to steal all of the (Serial Keys) using this buffer. As a result of a change in memory caused by exceeding the initial storage allocation, extra data leak into other storage locations and may corrupt or replace the data they contain. I’ll define buffer overflow vulnerability for the first time.īuffer Overflow: The buffer serves as a temporary storage location for data. Hello, my name is Moldovan Darius, also known as Here is a Proof of Concept that shows how I was able to break the PassFab software using the buffer overflow bug.
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