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template remaining challenges
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‎mkdocs.yml

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- Shufflebox: ./shufflebox/index.md
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- Number mashing: ./number_mashing/index.md
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- Intercepted transmissions: ./transmissions/index.md
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# - Vector overflow: ./vector/index.md
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# - Decrypt then eval: ./decrypt_eval/index.md
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# - Yawa: ./yawa/index.md
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# - DNAdecay: ./dna/index.md
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# - Sign in: ./sign_in/index.md
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# - sssshhhh: ./sssshhhh/index.md
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# - Rusty vault: ./rusty/index.md
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# - Jmp flag: ./jmp_flag/index.md
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# - Pac shell: ./pac_shell/index.md

‎solve/decrypt_eval/index.md

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---
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id: index
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title: Decrypt then eval writeup
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description: Writeup for challenge "Decrypt then eval" of Down Under CTF 2024
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---
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## Prologue
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Difficulty: easy
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Category: cryptography
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Solved: 197
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!!! quote "Description"
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Input files:
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??? info "encoding.txt"
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NB:
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* Following indices bases system is used to avoid ambiguity. Whenever element of a collection is referenced by **number**, 0-based index implied.
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Ie, element `0` of list `[1, 2, 4, 8, 16]` is `1`, Element `3` is `8`.
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When element is reference in explanation with **word** (first, third...), 1-based system is implied.
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Ie, first character of string `Hello World!` is `H`, fifth is `o`.
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* Solution code was redacted for readability purposes. Due to time pressure during the competition I was using a lot of one-letter variables and questionable code structure.
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## My struggle
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## Epilogue
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* Official website: [https://downunderctf.com/](https://downunderctf.com/)
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* Official writeups: https://github.com/DownUnderCTF/Challenges_2024_Public

‎solve/dna/index.md

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---
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id: index
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title: DNAdecay writeup
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description: Writeup for challenge "DNAdecay" of Down Under CTF 2024
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---
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## Prologue
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Difficulty: easy
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Category: reverse engineering
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Solved: 148
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!!! quote "Description"
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Input files:
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??? info "encoding.txt"
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NB:
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* Following indices bases system is used to avoid ambiguity. Whenever element of a collection is referenced by **number**, 0-based index implied.
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Ie, element `0` of list `[1, 2, 4, 8, 16]` is `1`, Element `3` is `8`.
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When element is reference in explanation with **word** (first, third...), 1-based system is implied.
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Ie, first character of string `Hello World!` is `H`, fifth is `o`.
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* Solution code was redacted for readability purposes. Due to time pressure during the competition I was using a lot of one-letter variables and questionable code structure.
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## My struggle
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## Epilogue
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* Official website: [https://downunderctf.com/](https://downunderctf.com/)
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* Official writeups: https://github.com/DownUnderCTF/Challenges_2024_Public

‎solve/jmp_flag/index.md

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---
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id: index
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title: Jmp flag writeup
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description: Writeup for challenge "Jmp flag" of Down Under CTF 2024
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---
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## Prologue
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Difficulty: easy
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Category: reverse engineering
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Solved: 71
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!!! quote "Description"
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Input files:
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??? info "encoding.txt"
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NB:
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* Following indices bases system is used to avoid ambiguity. Whenever element of a collection is referenced by **number**, 0-based index implied.
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Ie, element `0` of list `[1, 2, 4, 8, 16]` is `1`, Element `3` is `8`.
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When element is reference in explanation with **word** (first, third...), 1-based system is implied.
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Ie, first character of string `Hello World!` is `H`, fifth is `o`.
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* Solution code was redacted for readability purposes. Due to time pressure during the competition I was using a lot of one-letter variables and questionable code structure.
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## My struggle
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## Epilogue
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* Official website: [https://downunderctf.com/](https://downunderctf.com/)
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* Official writeups: https://github.com/DownUnderCTF/Challenges_2024_Public

‎solve/pac_shell/index.md

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---
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id: index
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title: Pac shell writeup
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description: Writeup for challenge "Pac shell" of Down Under CTF 2024
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---
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## Prologue
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Difficulty: easy
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Category: binary exploitation
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Solved: 55
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!!! quote "Description"
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Input files:
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??? info "encoding.txt"
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NB:
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* Following indices bases system is used to avoid ambiguity. Whenever element of a collection is referenced by **number**, 0-based index implied.
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Ie, element `0` of list `[1, 2, 4, 8, 16]` is `1`, Element `3` is `8`.
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When element is reference in explanation with **word** (first, third...), 1-based system is implied.
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Ie, first character of string `Hello World!` is `H`, fifth is `o`.
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* Solution code was redacted for readability purposes. Due to time pressure during the competition I was using a lot of one-letter variables and questionable code structure.
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## My struggle
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## Epilogue
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* Official website: [https://downunderctf.com/](https://downunderctf.com/)
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* Official writeups: https://github.com/DownUnderCTF/Challenges_2024_Public

‎solve/rusty/index.md

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---
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id: index
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title: Rusty vault writeup
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description: Writeup for challenge "Rusty vault" of Down Under CTF 2024
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---
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## Prologue
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Difficulty: easy
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Category: reverse engineering
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Solved: 81
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!!! quote "Description"
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Input files:
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??? info "encoding.txt"
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NB:
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* Following indices bases system is used to avoid ambiguity. Whenever element of a collection is referenced by **number**, 0-based index implied.
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Ie, element `0` of list `[1, 2, 4, 8, 16]` is `1`, Element `3` is `8`.
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When element is reference in explanation with **word** (first, third...), 1-based system is implied.
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Ie, first character of string `Hello World!` is `H`, fifth is `o`.
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* Solution code was redacted for readability purposes. Due to time pressure during the competition I was using a lot of one-letter variables and questionable code structure.
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## My struggle
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## Epilogue
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* Official website: [https://downunderctf.com/](https://downunderctf.com/)
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* Official writeups: https://github.com/DownUnderCTF/Challenges_2024_Public

‎solve/sign_in/index.md

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---
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id: index
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title: Sign in writeup
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description: Writeup for challenge "Sign in" of Down Under CTF 2024
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---
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## Prologue
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Difficulty: easy
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Category: binary exploitation
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Solved: 95
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!!! quote "Description"
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Input files:
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??? info "encoding.txt"
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NB:
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* Following indices bases system is used to avoid ambiguity. Whenever element of a collection is referenced by **number**, 0-based index implied.
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Ie, element `0` of list `[1, 2, 4, 8, 16]` is `1`, Element `3` is `8`.
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When element is reference in explanation with **word** (first, third...), 1-based system is implied.
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Ie, first character of string `Hello World!` is `H`, fifth is `o`.
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* Solution code was redacted for readability purposes. Due to time pressure during the competition I was using a lot of one-letter variables and questionable code structure.
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## My struggle
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## Epilogue
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* Official website: [https://downunderctf.com/](https://downunderctf.com/)
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* Official writeups: https://github.com/DownUnderCTF/Challenges_2024_Public

‎solve/sssshhhh/index.md

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---
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id: index
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title: sssshhhh writeup
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description: Writeup for challenge "sssshhhh" of Down Under CTF 2024
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---
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## Prologue
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Difficulty: beginner
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Category: reverse engineering
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Solved: 81
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!!! quote "Description"
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Input files:
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??? info "encoding.txt"
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NB:
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* Following indices bases system is used to avoid ambiguity. Whenever element of a collection is referenced by **number**, 0-based index implied.
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Ie, element `0` of list `[1, 2, 4, 8, 16]` is `1`, Element `3` is `8`.
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When element is reference in explanation with **word** (first, third...), 1-based system is implied.
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Ie, first character of string `Hello World!` is `H`, fifth is `o`.
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* Solution code was redacted for readability purposes. Due to time pressure during the competition I was using a lot of one-letter variables and questionable code structure.
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## My struggle
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## Epilogue
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* Official website: [https://downunderctf.com/](https://downunderctf.com/)
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* Official writeups: https://github.com/DownUnderCTF/Challenges_2024_Public

‎solve/transmissions/index.md

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Category: miscellaneous
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Solved: 299
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Solved: 275
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!!! quote "Description"
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Those monsters! They've kidnapped the Quokkas! Who in their right mind would capture those friendly little guys.. We've managed to intercept a CCIR476 transmission from the kidnappers, we think it contains the location of our friends! Can you help us decode it? We managed to decode the first two characters as '##'

‎solve/vector/index.md

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---
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id: index
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title: Vector overflow writeup
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description: Writeup for challenge "Vector overflow" of Down Under CTF 2024
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---
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## Prologue
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Difficulty: beginner
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Category: binary exploitation
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Solved: 239
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!!! quote "Description"
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Input files:
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??? info "encoding.txt"
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NB:
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* Following indices bases system is used to avoid ambiguity. Whenever element of a collection is referenced by **number**, 0-based index implied.
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Ie, element `0` of list `[1, 2, 4, 8, 16]` is `1`, Element `3` is `8`.
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When element is reference in explanation with **word** (first, third...), 1-based system is implied.
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Ie, first character of string `Hello World!` is `H`, fifth is `o`.
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34+
* Solution code was redacted for readability purposes. Due to time pressure during the competition I was using a lot of one-letter variables and questionable code structure.
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## My struggle
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## Epilogue
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* Official website: [https://downunderctf.com/](https://downunderctf.com/)
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* Official writeups: https://github.com/DownUnderCTF/Challenges_2024_Public

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