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#nes#arbitrarycodeexecution#stackunderflow

Super Mario Bros. 3 in 3 minutes - World Record Speedrun Explained

Bismuth

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Intermediate. Assumes working knowledge.

1.1M views6 years ago3 recommendations

Systems programmingSecurityRetro computingExploits and vulnerabilitiesMemory management

An explanation of how a speedrun of Super Mario Bros. 3 uses a stack underflow exploit to execute arbitrary code and trigger the credits.

Watch the unedited run here: twitch.tv/videos/697843359 Watch the latest WR here (3;02.383): twitch.tv/videos/968510773 Explanation by KabAudio: pastebin.com/mPYVMA56 Patreon: patreon.com/bismuth9 Twitch: twitch.tv/bismuth9 Twitter: twitter.com/Bismuthi Discord: discord.gg/HuVcquK Thank you to Retro Game Mechanics Explained! youtube.com/watch?v=fxZuzos7Auk Any% No Wrong Warp: youtu.be/4WoMl-fEPtc Warpless: youtube.com/watch?v=WFKfWMfJCCw 100%: youtube.com/watch?v=yHHxajnes9M Chapters: - Introduction - 1-1, Hammer Bros. - 1-2 - 1-3 to World 7 - Credits Warp - Pipe clip, out of bounds - Note block crash - Stack underflow, RAM as code - Shell manipulation - What can go wrong? - Recap, Conclusion Thanks to Patreon subscribers: Mittenz rictic Sam Rose Kosmic Znernicus Tuo Padre NOtoHOUtoSEAtoDENtoPA vivas5 Kevin Nix MackinawPeach Jacher KingIceCream Punchmaster Skyehoppers Alan Finck Billy Hansen Veegie Tungul MrValdez Martin Berrum Billy Floyd Francisco Beltran Nikolai Drew CatCube Alexander Roper Mark S. GTAce99 Dylan Sinnott Curtis Fraley Riku Rajaniemi Jeremy Marquis William Tryon Shaheen Ghiassy Robert Smith Amanda Knipfing Cosmicabuse Nylaryx Sophia Blue

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