Writeups for the challenges from DownUnderCTF 2021

Last update: Dec 31, 2022

Related tags

Deep Learning Challenges_2021_Public

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

GitHub Repository https://downunderctf.com

Code for ICCV2021 paper SPEC: Seeing People in the Wild with an Estimated Camera

SPEC: Seeing People in the Wild with an Estimated Camera [ICCV 2021] SPEC: Seeing People in the Wild with an Estimated Camera, Muhammed Kocabas, Chun-

187 Dec 26, 2022

Real time sign language recognition

The proposed work aims at converting american sign language gestures into English that can be understood by everyone in real time.

6 Jun 13, 2022

Tooling for GANs in TensorFlow

TensorFlow-GAN (TF-GAN) TF-GAN is a lightweight library for training and evaluating Generative Adversarial Networks (GANs). Can be installed with pip

803 Dec 24, 2022

A little software to generate and save Julia or Mandelbrot's Fractals.

Julia-Mandelbrot-s-Fractals A little software to generate and save Julia or Mandelbrot's Fractals. Dependencies : Python 3.7 or more. (Also possible t

0 Jul 09, 2022

Python script for performing depth completion from sparse depth and rgb images using the msg_chn_wacv20. model in ONNX

ONNX msg_chn_wacv20 depth completion Python script for performing depth completion from sparse depth and rgb images using the msg_chn_wacv20 model in

19 Oct 22, 2022

IA for recognising Traffic Signs using Keras [Tensorflow]

Traffic Signs Recognition ⚠️ 🚦 Fundamentals of Intelligent Systems Introduction 📄 Development of a neural network capable of recognizing nine differ

2 Dec 19, 2022

Open source repository for the code accompanying the paper 'Non-Rigid Neural Radiance Fields Reconstruction and Novel View Synthesis of a Deforming Scene from Monocular Video'.

Non-Rigid Neural Radiance Fields This is the official repository for the project "Non-Rigid Neural Radiance Fields: Reconstruction and Novel View Synt

296 Dec 29, 2022

Code for paper Adaptively Aligned Image Captioning via Adaptive Attention Time

Adaptively Aligned Image Captioning via Adaptive Attention Time This repository includes the implementation for Adaptively Aligned Image Captioning vi

45 Aug 27, 2022

AI Flow is an open source framework that bridges big data and artificial intelligence.

Flink AI Flow Introduction Flink AI Flow is an open source framework that bridges big data and artificial intelligence. It manages the entire machine

144 Dec 30, 2022

A TensorFlow implementation of FCN-8s

FCN-8s implementation in TensorFlow Contents Overview Examples and demo video Dependencies How to use it Download pre-trained VGG-16 Overview This is

50 Aug 08, 2022

Source code for our paper "Learning to Break Deep Perceptual Hashing: The Use Case NeuralHash"

Learning to Break Deep Perceptual Hashing: The Use Case NeuralHash Abstract: Apple recently revealed its deep perceptual hashing system NeuralHash to

[email protected]"> 11 Dec 03, 2022

Tensorflow Repo for "DeepGCNs: Can GCNs Go as Deep as CNNs?"

DeepGCNs: Can GCNs Go as Deep as CNNs? In this work, we present new ways to successfully train very deep GCNs. We borrow concepts from CNNs, mainly re

612 Nov 15, 2022

UDP++ (ECCVW 2020 Oral), (Winner of COCO 2020 Keypoint Challenge).

UDP-Pose This is the pytorch implementation for UDP++, which won the Fisrt place in COCO Keypoint Challenge at ECCV 2020 Workshop. Top-Down Results on

20 Jul 29, 2022

PyTorch implementation HoroPCA: Hyperbolic Dimensionality Reduction via Horospherical Projections

HoroPCA This code is the official PyTorch implementation of the ICML 2021 paper: HoroPCA: Hyperbolic Dimensionality Reduction via Horospherical Projec

52 Nov 14, 2022

[CVPR 2021] Anycost GANs for Interactive Image Synthesis and Editing

Anycost GAN video | paper | website Anycost GANs for Interactive Image Synthesis and Editing Ji Lin, Richard Zhang, Frieder Ganz, Song Han, Jun-Yan Zh

726 Dec 28, 2022

Code accompanying the NeurIPS 2021 paper "Generating High-Quality Explanations for Navigation in Partially-Revealed Environments"

Generating High-Quality Explanations for Navigation in Partially-Revealed Environments This work presents an approach to explainable navigation under

1 Oct 28, 2022

A pure PyTorch implementation of the loss described in "Online Segment to Segment Neural Transduction"

ssnt-loss ℹ️ This is a WIP project. the implementation is still being tested. A pure PyTorch implementation of the loss described in "Online Segment t

1 Feb 09, 2022

🥈78th place in Riiid Answer Correctness Prediction competition

Riiid Answer Correctness Prediction Introduction This repository is the code that placed 78th in Riiid Answer Correctness Prediction competition. Requ

10 Jul 14, 2022

Code for Universal Semi-Supervised Semantic Segmentation models paper accepted in ICCV 2019

USSS_ICCV19 Code for Universal Semi Supervised Semantic Segmentation accepted to ICCV 2019. Full Paper available at https://arxiv.org/abs/1811.10323.

68 Nov 24, 2022

[CVPR 2022 Oral] Rethinking Minimal Sufficient Representation in Contrastive Learning

Rethinking Minimal Sufficient Representation in Contrastive Learning PyTorch implementation of Rethinking Minimal Sufficient Representation in Contras

36 Nov 23, 2022