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

ICLR 2021 i-Mix: A Domain-Agnostic Strategy for Contrastive Representation Learning

Introduction PyTorch code for the ICLR 2021 paper [i-Mix: A Domain-Agnostic Strategy for Contrastive Representation Learning]. @inproceedings{lee2021i

68 Nov 27, 2022

FPSAutomaticAiming——基于YOLOV5的FPS类游戏自动瞄准AI

FPSAutomaticAiming——基于YOLOV5的FPS类游戏自动瞄准AI 声明: 本项目仅限于学习交流，不可用于非法用途，包括但不限于：用于游戏外挂等，使用本项目产生的任何后果与本人无关！简介本项目基于yolov5,实现了一款FPS类游戏（CF、CSGO等）的自瞄AI，本项目旨在使用现

246 Dec 28, 2022

Official implementation of NLOS-OT: Passive Non-Line-of-Sight Imaging Using Optimal Transport (IEEE TIP, accepted)

NLOS-OT Official implementation of NLOS-OT: Passive Non-Line-of-Sight Imaging Using Optimal Transport (IEEE TIP, accepted) Description In this reposit

16 Dec 16, 2022

This is a deep learning-based method to segment deep brain structures and a brain mask from T1 weighted MRI.

DBSegment This tool generates 30 deep brain structures segmentation, as well as a brain mask from T1-Weighted MRI. The whole procedure should take ~1

2 Oct 25, 2022

Galileo library for large scale graph training by JD

近年来，图计算在搜索、推荐和风控等场景中获得显著的效果，但也面临超大规模异构图训练，与现有的深度学习框架Tensorflow和PyTorch结合等难题。 Galileo（伽利略）是一个图深度学习框架，具备超大规模、易使用、易扩展、高性能、双后端等优点，旨在解决超大规模图算法在工业级场景的落地难题，提

128 Nov 29, 2022

PGPortfolio: Policy Gradient Portfolio, the source code of "A Deep Reinforcement Learning Framework for the Financial Portfolio Management Problem"(https://arxiv.org/pdf/1706.10059.pdf).

This is the original implementation of our paper, A Deep Reinforcement Learning Framework for the Financial Portfolio Management Problem (arXiv:1706.1

1.5k Dec 29, 2022

Oriented Object Detection: Oriented RepPoints + Swin Transformer/ReResNet

Oriented RepPoints for Aerial Object Detection The code for the implementation of “Oriented RepPoints + Swin Transformer/ReResNet”. Introduction Based

96 Dec 13, 2022

Implementation of H-Transformer-1D, Hierarchical Attention for Sequence Learning

H-Transformer-1D Implementation of H-Transformer-1D, Transformer using hierarchical Attention for sequence learning with subquadratic costs. For now,

123 Nov 17, 2022

SCALE: Modeling Clothed Humans with a Surface Codec of Articulated Local Elements (CVPR 2021)

SCALE: Modeling Clothed Humans with a Surface Codec of Articulated Local Elements (CVPR 2021) This repository contains the official PyTorch implementa

133 Jan 05, 2023

Credit fraud detection in Python using a Jupyter Notebook

Credit-Fraud-Detection - Credit fraud detection in Python using a Jupyter Notebook , using three classification models (Random Forest, Gaussian Naive Bayes, Logistic Regression) from the sklearn libr

4 Dec 28, 2021

Learning Synthetic Environments and Reward Networks for Reinforcement Learning

Learning Synthetic Environments and Reward Networks for Reinforcement Learning We explore meta-learning agent-agnostic neural Synthetic Environments (

16 Sep 02, 2022

A data-driven maritime port simulator

PySeidon - A Data-Driven Maritime Port Simulator 🌊 Extendable and modular software for maritime port simulation. This software uses entity-component

6 Apr 10, 2022

MatryODShka: Real-time 6DoF Video View Synthesis using Multi-Sphere Images

Main repo for ECCV 2020 paper MatryODShka: Real-time 6DoF Video View Synthesis using Multi-Sphere Images. visual.cs.brown.edu/matryodshka

75 Dec 13, 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

Curated list of awesome GAN applications and demo

gans-awesome-applications Curated list of awesome GAN applications and demonstrations. Note: General GAN papers targeting simple image generation such

4.5k Jan 07, 2023

This porject is intented to build the most accurate model for predicting the porbability of loan default

Estimating-Loan-Default-Probability IBA ML2 Mid-project / Kaggle Competition This porject is intented to build the most accurate model for predicting

1 Jan 24, 2022

Image Super-Resolution by Neural Texture Transfer

SRNTT: Image Super-Resolution by Neural Texture Transfer Tensorflow implementation of the paper Image Super-Resolution by Neural Texture Transfer acce

413 Nov 30, 2022

Official implementation for the paper "SAPE: Spatially-Adaptive Progressive Encoding for Neural Optimization".

SAPE Project page Paper Official implementation for the paper "SAPE: Spatially-Adaptive Progressive Encoding for Neural Optimization". Environment Cre

36 Dec 09, 2022

Codes for our paper The Stem Cell Hypothesis: Dilemma behind Multi-Task Learning with Transformer Encoders published to EMNLP 2021.

The Stem Cell Hypothesis Codes for our paper The Stem Cell Hypothesis: Dilemma behind Multi-Task Learning with Transformer Encoders published to EMNLP

5 Jul 08, 2022

[ICRA 2022] An opensource framework for cooperative detection. Official implementation for OPV2V.

OpenCOOD OpenCOOD is an Open COOperative Detection framework for autonomous driving. It is also the official implementation of the ICRA 2022 paper OPV

322 Dec 23, 2022