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
Temporally Efficient Vision Transformer for Video Instance Segmentation, CVPR 2022, Oral

Temporally Efficient Vision Transformer for Video Instance Segmentation Temporally Efficient Vision Transformer for Video Instance Segmentation (CVPR

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NLP From Scratch Without Large-Scale Pretraining: A Simple and Efficient Framework

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Pytorch code for "Text-Independent Speaker Verification Using 3D Convolutional Neural Networks".

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Unofficial PyTorch code for BasicVSR

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Long 59 Dec 06, 2022
ICON: Implicit Clothed humans Obtained from Normals

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Quantum Liu 15 Oct 27, 2022
Amazon Forest Computer Vision: Satellite Image tagging code using PyTorch / Keras with lots of PyTorch tricks

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Mamy Ratsimbazafy 360 Dec 10, 2022
How the Deep Q-learning method works and discuss the new ideas that makes the algorithm work

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1 Jan 25, 2022
Deeplab-resnet-101 in Pytorch with Jaccard loss

Deeplab-resnet-101 Pytorch with Lovász hinge loss Train deeplab-resnet-101 with binary Jaccard loss surrogate, the Lovász hinge, as described in http:

Maxim Berman 95 Apr 15, 2022
Google AI Open Images - Object Detection Track: Open Solution

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Code for reproducing our paper: LMSOC: An Approach for Socially Sensitive Pretraining

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This is the code for the paper "Contrastive Clustering" (AAAI 2021)

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Yunfan Li 210 Dec 30, 2022
Consecutive-Subsequence - Simple software to calculate susequence with highest sum

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Gbadamosi Farouk 1 Jan 31, 2022
Implementation of the paper "Shapley Explanation Networks"

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68 Dec 27, 2022
A Simulation Environment to train Robots in Large Realistic Interactive Scenes

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Stanford Vision and Learning Lab 493 Jan 04, 2023
Dieser Scanner findet Websites, die nicht direkt in Suchmaschinen auftauchen, aber trotzdem erreichbar sind.

Deep Web Scanner Dieses Script findet Websites, die per IPv4-Adresse erreichbar sind und speichert deren Metadaten. Die Ausgabe im Terminal wird nach

Alex K. 30 Nov 18, 2022
Python3 / PyTorch implementation of the following paper: Fine-grained Semantics-aware Representation Enhancement for Self-supervisedMonocular Depth Estimation. ICCV 2021 (oral)

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77 Dec 28, 2022
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The purpose of this project is create a predictive model capable of identifying the probability of a person securing an admit based on their personal profile parameters. Simplified visualisations hav

Akarsh Singh 1 Jan 26, 2022