Writeups for the challenges from DownUnderCTF 2021

Overview

cloud

Challenge Author Difficulty Release Round
Bad Bucket Blue Alder easy round 1
Not as Bad Bucket Blue Alder easy round 1
Lost n Found Blue Alder medium round 1
Whale Blog Blue Alder medium round 2

crypto

Challenge Author Difficulty Release Round
Substitution Cipher I joseph#8210 beginner round 1
Break Me! 2keebs easy round 1
OTWhat 1 nullableVoid*#7225 easy round 2
Substitution Cipher II joseph#8210 easy round 1
treasure joseph#8210 easy round 1
OTWhat 2 nullableVoid*#7225 medium round 2
Secuchat nullableVoid*#7225 medium round 1
1337crypt v2 joseph#8210 hard round 2
power sign joseph#8210 hard round 1
Substitution Cipher III joseph#8210 hard round 1
yadlp joseph#8210 hard round 1

forensics

Challenge Author Difficulty Release Round
Retro! QUTWH beginner round 1
Do the loop! QUTWH easy round 1
How to pronounce GIF [email protected] easy round 1
That's Not My Name Conletz#5420 easy round 1
The File is Lava TheDon*#2152 medium round 2
Want to Play a Game? Conletz#5420 medium round 1

misc

Challenge Author Difficulty Release Round
Discord Crem none round 1
Twitter Crem none round 1
Builder BearArms (Cybears) beginner round 1
General Skills Quiz Crem beginner round 1
The Introduction Crem beginner round 1
Floormat todo#7331 easy round 1
GammaSafe nullableVoid*#7225 easy round 2
rabbit Crem + z3kxTa easy round 1
Canary 247CTF.com medium round 1
i-pee fs dot medium round 2
Flying Spaghetti Monster hypersphere (Cybears) hard round 1

survey

Challenge Author Difficulty Release Round
Survey DUCTF none round 3

OSINT

Challenge Author Difficulty Release Round
Who goes there? [email protected] beginner round 1
(back) On the rails [email protected] easy round 2
Get over it! QUTWH easy round 1
The Internet is Written in Ink Crem easy round 1
Apartment Views [email protected] medium round 2
eyespy [email protected] medium round 2
Heart of the nation [email protected] medium round 1
Sharing is Caring [email protected] hard round 2

pwn

Challenge Author Difficulty Release Round
deadcode [email protected] beginner round 1
Leaking like a sieve [email protected] beginner round 1
babygame grub easy round 1
outBackdoor [email protected] easy round 1
write what where joseph#8210 easy round 2
Oversight B3NNY medium round 1
ready, bounce, pwn! joseph#8210 medium round 2
DUCTFnote grub hard round 1
encrypted note joseph#8210 hard round 1

reversing

Challenge Author Difficulty Release Round
no strings joseph#8210 beginner round 1
flag loader joseph#8210 easy round 1
Juniperus nullableVoid*#7225 easy round 2
bullet hell joseph#8210 medium round 2
connect the dots joseph#8210 medium round 1
flag printer joseph#8210 medium round 1
gamer joseph#8210 medium round 1
flag checker joseph#8210 hard round 1

web

Challenge Author Difficulty Release Round
Cowboy World Crem beginner round 1
Inside Out Solopie beginner round 1
Chainreaction n00bmaster easy round 1
Farsight todo#7331 easy round 2
Secret Bin todo#7331 easy round 2
Ezmail todo#7331 medium round 1
JWT 247CTF.com medium round 1
x1337 Sk1d R3p0rt3r xesh medium round 2
Zap todo#7331 medium round 1
Jasons Proxy xesh hard round 2
Notepad todo#7331 hard round 1
Owner
DownUnderCTF
DownUnderCTF
DownUnderCTF
A PyTorch implementation of the continual learning experiments with deep neural networks

Brain-Inspired Replay A PyTorch implementation of the continual learning experiments with deep neural networks described in the following paper: Brain

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Simple node deletion tool for onnx.

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[NeurIPS 2021] Garment4D: Garment Reconstruction from Point Cloud Sequences

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DRLib:A concise deep reinforcement learning library, integrating HER and PER for almost off policy RL algos.

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Official repository for ABC-GAN

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Implementation of the federated dual coordinate descent (FedDCD) method.

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192 Dec 26, 2022
Neural machine translation between the writings of Shakespeare and modern English using TensorFlow

Shakespeare translations using TensorFlow This is an example of using the new Google's TensorFlow library on monolingual translation going from modern

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RuleBERT: Teaching Soft Rules to Pre-Trained Language Models

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Faster RCNN pytorch windows

Faster-RCNN-pytorch-windows Faster RCNN implementation with pytorch for windows Open cmd, compile this comands: cd lib python setup.py build develop T

Hwa-Rang Kim 1 Nov 11, 2022
Codebase for "Revisiting spatio-temporal layouts for compositional action recognition" (Oral at BMVC 2021).

Revisiting spatio-temporal layouts for compositional action recognition Codebase for "Revisiting spatio-temporal layouts for compositional action reco

Gorjan 20 Dec 15, 2022
High performance distributed framework for training deep learning recommendation models based on PyTorch.

PERSIA (Parallel rEcommendation tRaining System with hybrId Acceleration) is developed by AI 340 Dec 30, 2022

Technical experimentations to beat the stock market using deep learning :chart_with_upwards_trend:

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Deep learning library featuring a higher-level API for TensorFlow.

TFLearn: Deep learning library featuring a higher-level API for TensorFlow. TFlearn is a modular and transparent deep learning library built on top of

TFLearn 9.6k Jan 02, 2023
PyTorch implementation of the end-to-end coreference resolution model with different higher-order inference methods.

End-to-End Coreference Resolution with Different Higher-Order Inference Methods This repository contains the implementation of the paper: Revealing th

Liyan 52 Jan 04, 2023
Repo 4 basic seminar §How to make human machine readable"

WORK IN PROGRESS... Notebooks from the Seminar: Human Machine Readable WS21/22 Introduction into programming Georg Trogemann, Christian Heck, Mattis

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Learning RGB-D Feature Embeddings for Unseen Object Instance Segmentation

Unseen Object Clustering: Learning RGB-D Feature Embeddings for Unseen Object Instance Segmentation Introduction In this work, we propose a new method

NVIDIA Research Projects 132 Dec 13, 2022
Source code and dataset for ACL2021 paper: "ERICA: Improving Entity and Relation Understanding for Pre-trained Language Models via Contrastive Learning".

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Christian Kasberger 1 Oct 26, 2021