StealMyBitcoin-PoC

What does it do?

It is a single-file Python script that reproduces the request sequence from a Steal My Bitcoin CTF run, building the requests itself and recording the HTTP bytes. [1] It causes PHP to hit its memory limit, uses the resulting stale state to leak heap and code addresses, then sends a forged PHP structure so cleanup calls zif_system, PHP's handler for system. [2a][2b] A concrete use is running it against a lab endpoint or the challenge to reproduce the callback and check for execution markers such as a nonce, id output, and print-flag hash. [3a][3b][3c]

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  • KillaBoi/StealMyBitcoin-PoC reached #1 in daily mentions on gitwal · Oct 26, 2026
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