930_c1713ecf_34363

The challenge involved analyzing a binary that implemented a custom architecture. According to the DiceCTF 2022: Breach Writeup on reductor's blog , the key stages of the solution were:

While the exact string often appears in the context of disassembly or memory dumps for this challenge, the overall write-up focuses on reverse engineering a custom virtual machine (VM) and exploiting it using Return-Oriented Programming (ROP). Overview of the Breach Challenge 930_c1713ecf_34363

: It is likely a label generated by a decompiler (like Ghidra or IDA Pro) for a specific data constant or a sub-function within the custom VM. The challenge involved analyzing a binary that implemented

: The final exploit involves modifying the stack where the return from the main function occurs, pivoting the stack to a controlled memory area to execute a ROP chain and gain shell access. Technical Context : The final exploit involves modifying the stack