Clear it in 3 steps
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Start the environment
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Investigate the target
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Submit the flag
All challenges
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Programming - Memory Dump Analysis
Mission
memory.img is generated from the FLAG injected at startup. Extract the ALLOC:0x4040 little-endian region and XOR-decrypt with MD5(heap-0x4040) to recover the flag.
Hints
Hint 1 Show
Inspect memory.img and identify the target record
Hint 2 Show
extract the ALLOC:0x4040 little-endian region and XOR-decrypt with MD5(heap-0x4040)
Hint 3 Show
Verify that the reconstructed value has FLAG{...} format