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Harrison Green Profile
Harrison Green

@hgarrereyn

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PhD student @S3DatCMU @CyLab | Reverse Engineer @DiceGangCTF | Senior Otter @osec_io | prev. @Margin_Research, @forallsecure, @LabDurrant

Pittsburgh
Joined December 2019
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@hgarrereyn
Harrison Green
7 months
N-Grams are all you need! We beat SOTA transformer-based models at decompiler variable renaming and retyping while being simpler, >40x faster, and using only the CPU! w/ Edward Schwartz, @clegoues, @b_vasilescu Check it out: - -
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@hgarrereyn
Harrison Green
6 hours
guys I've solved bug discovery
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@hgarrereyn
Harrison Green
3 days
@SuperFashi1 Benefits of spending all my money on domain names
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@hgarrereyn
Harrison Green
4 days
RT @moarbugs: Back to basics: Concurrency testing in Java! Our new tool *Fray* correctly solves a 25+ year old problem for complex real-w…
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@hgarrereyn
Harrison Green
5 days
completing a reCAPTCHA on behalf of Operator is something else...
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@hgarrereyn
Harrison Green
5 days
RT @dicegangctf: 📷DiceCTF 2025 Quals starts in just under two weeks! We're also excited to announce the second DiceCTF Finals, which will b…
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@hgarrereyn
Harrison Green
2 months
me when im ctfing
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@hgarrereyn
Harrison Green
2 months
RT @hgarrereyn: what the fuck is an oh camel 😤
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@hgarrereyn
Harrison Green
2 months
what the fuck is an oh camel 😤
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@hgarrereyn
Harrison Green
2 months
Pretty neat! We can effectively prompt the LLM using code in a way that lets us extrapolate beyond the initial prompt in a programatic way. I've packaged this up in a small POC: TLDR: from omni import Omni o = Omni() o.execute(''' # anything here ''')
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@hgarrereyn
Harrison Green
2 months
Been playing around with a fun pseudo-programming-by-example kind of LLM setup. Instead of having the LLM write our client code (copilot) or write core library code (PBE), what if we have it generate binding code that maps our client code onto existing libraries/frameworks?
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@hgarrereyn
Harrison Green
2 months
the three-peat 🎲🎲🎲
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@hgarrereyn
Harrison Green
3 months
you ever feel like somebody is watching? #BHMEA24
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@hgarrereyn
Harrison Green
3 months
diagonalization arguments are the buffer overflows of mathematics
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