angea/pocorgtfo
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a "Proof of Concept or GTFO" mirror with an extensive index with also whole issues or individual articles as clean PDFs.
14 mentions on Hacker News by 14 people: 1 story, 13 comments · first 2019-07-16 · latest 2026-02-19
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There's also Proof Of Concept Or GTFO edited by Pastor Manuel LaPhroaig https://github.com/angea/pocorgtfo
comment by Schlagbohrer · 2026-02-19 · in Paged Out Issue #8 [pdf] -
…displays its own MD5 hash in a NES emulator (only first 40KB+16 bytes are actually loaded there) https://github.com/angea/pocorgtfo#0x14 And yes, documents are not normally supposed to be able to display their own MD5 hash.
comment by Dwedit · 2025-09-24 · in A webshell and a normal file that have the same MD5 -
…polyglots are a recurring feature in PoC||GTFO, which I find to always be an enlightening read: https://github.com/angea/pocorgtfo?tab=readme-ov-file#0x22
comment by vetrom · 2024-12-25 · in T2 24.12 "Sky's the Limit " – 37 ISOs for 25 CPU ISAs -
…"this ZIP file is also a PDF is also a PNG is also a NES cartridge which displays its own MD5" (viz https://github.com/angea/pocorgtfo/tree/master/writeups/19 ) has a place (and should definitely be required study material for anyone…
comment by PreInternet01 · 2024-11-16 · in Hackers use ZIP file concatenation to evade detection -
…async here. The auth alludes to combining the state machine with async IO in this paper ( https://github.com/angea/pocorgtfo/blob/master/contents/arti... ), but this implementation is just using fread to (synchronously) read a chunk of…
comment by partialzero · 2024-06-21 · in Wc2: Investigates optimizing 'wc', the Unix word count program -
…humorously titled PoC||GTFO journal - see [1]. he also tweeted about it a few years ago [2]. [1] https://github.com/angea/pocorgtfo/blob/master/contents/arti... [2] https://twitter.com/ErrataRob/status/1494009849427992576
comment by tkhattra · 2024-06-21 · in Wc2: Investigates optimizing 'wc', the Unix word count program -
Yup. PoC||GTFO article (one of many, IIRC) on crafting a polyglot PDF / JPEG file: https://github.com/angea/pocorgtfo/blob/master/contents/arti...
comment by setpatchaddress · 2021-11-04 · in Gitlab servers are being exploited in DDoS attacks -
…or otherwise). See PoC||GTFO, specifically anything by Ange Albertini, for examples; grep https://github.com/angea/pocorgtfo/blob/master/README.md for "MD5". I specifically recommend this writeup: https://github.com/angea/pocorgtfo/blob/mas…
comment by lvh · 2021-10-12 · in SHA-1 'fully and practically broken' by new collision (2020) -
…want to learn more how these things work I'd highly suggest going through the PoC||GTFO archive ( https://github.com/angea/pocorgtfo/blob/master/README.md ) and check out entries by Ange Albertini or entries named like "This ZIP is also a…
comment by shaded-enmity · 2021-02-26 · in Show HN: Redbean – Single-file distributable web server -
…on/with the PoC||GTFO team and is responsible for the MD5 collision cover art in a past issue: https://github.com/angea/pocorgtfo For SHA-1 (and others) you might find more at his github project: https://github.com/corkami/collisions hth,…
comment by adricnet · 2020-02-14 · in OpenSSH 8.2 -
…[1] https://www.alchemistowl.org/pocorgtfo/pocorgtfo19.pdf [2] https://github.com/angea/pocorgtfo [3] https://www.youtube.com/watch?v=W9WnnMJ0RKg
comment by clemParis · 2020-01-25 · in Writing a Polyglot Script -
…it in PoC || GTFO [1]. [0] https://dolphin-emu.org/blog/2014/09/30/dolphin-progress-rep... [1] https://github.com/angea/pocorgtfo/blob/master/contents/issu...
comment by Jasper_ · 2019-08-21 · in Thoughts on Rust bloat -
…Edit: whoops, probably more relevant is this earlier issue, which has the MD5 printed on the cover. https://github.com/angea/pocorgtfo/blob/master/contents/issu... The relevant article in that issue starts on page 46.
comment by sp332 · 2019-07-16 · in YouTube video has its own URL in it