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S/NChallengeTeamEntryCategoryComments
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1Beta reporting systemShinrabanshohttps://y3a.github.io/HTB-Writeups/beta-reporting.htmlBinary Exploitation
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2Finding out COVID's motivesN.AN.ABinary Exploitation
Avaliable for community submission. Please DM @bbbb#9801 or @haebi#1915 on Discord for us to validate the write-up.
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3SkipBytesN.AN.ABinary Exploitation
Avaliable for community submission. Please DM @bbbb#9801 or @haebi#1915 on Discord for us to validate the write-up.
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4Stop COViD's recruitment!Team Mitsuha
https://github.com/IRS-Cybersec/ctfdump/tree/stack-mitsuha/STACK%20the%20Flags%202020/Mitsuha/Binary%20Exploitation/BE-3
Binary Exploitation
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5Find the leaking bucket!Dame Dango
https://dame-dango.github.io/STACKtheFlags2020/cloud/Find%20the%20leaking%20bucket!/
Cloud
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6Hold the line! Perimeter defences doing it's work!Chomusuke
https://github.com/IRS-Cybersec/ctfdump/tree/stack-chomusuke/STACK%20the%20Flags%202020/Chomusuke/cloud/hold-the-line
Cloud
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7Keep cracking it…N.AN.ACloud
Avaliable for community submission. Please DM @bbbb#9801 or @haebi#1915 on Discord for us to validate the write-up.
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8Keep the clouds together...chicken RCE
https://www.creastery.com/blog/stack-the-flags-2020-keep-the-clouds-together-cloud-challenge/
Cloud
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9Share and deploy the containers!chicken RCE
https://www.creastery.com/blog/stack-the-flags-2020-share-and-deploy-the-containers-cloud-challenge/
Cloud
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10Can COViD break Alice's design?AcceptableBoathttps://github.com/unriellistic/stacktheflags-2020/wiki/crypto_challenge_2Cryptography
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11Can COViD steal Bob's idea?noName
https://tohyuting.medium.com/stack-the-flags-ctf-write-up-can-covid-steal-bobs-idea-8d58be81635a
Cryptography
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12COViD is able to compromise our IoT encryption system, how come?shuenonkit
https://colab.research.google.com/drive/1zm4U9mgRgRbgQ9F8fBUpnY2rS3hfQIou?usp=sharing
Cryptography
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COViD is able to compromise our strengthen IoT encryption system again! Why?
N.AN.ACryptography
Avaliable for community submission. Please DM @bbbb#9801 or @haebi#1915 on Discord for us to validate the write-up.
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14Corrupted HiveTeam Mitsuha
https://github.com/IRS-Cybersec/ctfdump/tree/stack-mitsuha/STACK%20the%20Flags%202020/Mitsuha/Forensics/3.%20Corrupted%20Hive
Forensics
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15Our Drive is encrypted!N.AN.AForensics
Avaliable for community submission. Please DM @bbbb#9801 or @haebi#1915 on Discord for us to validate the write-up.
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16Voices in the headTeam Mitsuha
https://github.com/IRS-Cybersec/ctfdump/tree/stack-mitsuha/STACK%20the%20Flags%202020/Mitsuha/Forensics/2.%20Voices%20in%20the%20head
Forensics
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17Walking down a colourful memory laneNYCP
https://github.com/Hackin7/Programming-Crappy-Solutions/tree/master/Cyber%20Security/Capture%20the%20Flag%20Competitions/2020/STACK%20the%20Flags/Forensics/Walking%20down%20a%20colourful%20memory%20lane
Forensics
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18COVID's Communication Technology!ItzyBitzySpider
https://jloh02.github.io/ctf/stack-the-flags-2020#covids-communication-technology
Internet of things
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19I smell updates!ItzyBitzySpider https://jloh02.github.io/ctf/stack-the-flags-2020#i-smell-updatesInternet of things
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20IOT RSA TokenSIG0CT
https://github.com/vint-1/ctf-writeups/blob/master/stack-2020/iot-challenge-5/writeup/writeup.md
Internet of things
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21Laura is my friend!N.AN.AInternet of things
Avaliable for community submission. Please DM @bbbb#9801 or @haebi#1915 on Discord for us to validate the write-up.
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22The suspicious frequency monitoring alert!t3Am_n4m3
https://www.wernjie.com/govtech-stack-the-flags-2020-writeups/#the-suspicious-frequency-monitoring-alert
Internet of things
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23A to Z of COViD!N.AN.AMobile
Avaliable for community submission. Please DM @bbbb#9801 or @haebi#1915 on Discord for us to validate the write-up.
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24All about Korovax!BunchOfBytes
https://github.com/BunchOfBytes/STF-2020/blob/main/Mobile/All%20about%20Korovax!.md
Mobile
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25All Roads Lead to Rome!Stranglehold
https://github.com/zwliew/stack-the-flags-2020-writeups/blob/master/rome/rome_writeup.md
Mobile
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26StatsTeam Mitsuha
https://github.com/IRS-Cybersec/ctfdump/tree/stack-mitsuha/STACK%20the%20Flags%202020/Mitsuha/Mobile/Stats
Mobile
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27Task, task, task!Nonyhttps://blog.justins.in/stack-the-flags-2020/#task-task-task-Mobile
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28True or false?QWERTY
https://github.com/lightcoxa/STF-Writeups/tree/main/mobile/Mobile%20-%20True%20or%20false
Mobile
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29Welcome to Korovax Mobile!0x1EA7BEEF
https://docs.google.com/document/d/1PQmv51hvHruoY6c-mq1ZoBlOtGJjLGl7A2S-VKoV4v0/edit?usp=sharing
Mobile
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30What's with the Search!Team LIFO
https://github.com/UltimateHG/TeamLIFO_STACK2020/tree/main/android-challenge-3
Mobile
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31Hunt him down!noName
https://tohyuting.medium.com/stack-the-flags-ctf-write-up-hunt-him-down-9c9192dd036b
OSINT
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32Only time will tell!Shiba
https://medium.com/@ngwh95/stack-the-flags-2020-only-time-will-tell-e7ccf95c63fb
OSINT
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33Sounds of freedom!Team Mitsuha
https://github.com/IRS-Cybersec/ctfdump/tree/stack-mitsuha/STACK%20the%20Flags%202020/Mitsuha/OSINT/7.%20Sounds%20of%20freedom!
OSINT
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34Treasure MediatheZoo
https://github.com/teokiameng/stack-the-flag-ctf-2020/blob/master/osint-and-se-writeups.md#treasure-media
OSINT
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35What is he working on? Some high value project?
:thinking: but brainrot
https://docs.google.com/document/d/1rKRqM19seDS-mZYEnOe_HEAjVkd5tUkbQtlaWPfR7bY/edit?usp=sharing
OSINT
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36Where was he kidnapped?XSSMyLifehttps://www.notion.so/Test-ecd5aaeb1c944293911f90bba80c520fOSINT
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37Who are the possible kidnappers?theZoo
https://github.com/teokiameng/stack-the-flag-ctf-2020/blob/master/osint-and-se-writeups.md#who-are-the-possible-kidnappers
OSINT
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38X marks the spottheZoo
https://github.com/teokiameng/stack-the-flag-ctf-2020/blob/master/osint-and-se-writeups.md#x-marks-the-spot
OSINT
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39An invitationpphttps://chenzw.medium.com/reverse-engineering-an-invitation-1dbc1e1156beReverse Engineering
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40Figure out this missive from COViD to his intern!Chicken RCEhttps://daniao.ws/stack-ctf-20/internReverse Engineering
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41Striking Back #1 - Password ManagerChicken RCEhttps://daniao.ws/stack-ctf-20/password-managerReverse Engineering
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42Striking Back #2 - What the tech?PwningActionParty
https://github.com/jarsp/stf20-writeups/blob/main/README.md#reversing---striking-back-2
Reverse Engineering
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43Time travelPwningActionParty
https://github.com/jarsp/stf20-writeups/blob/main/README.md#reversing---time-travel
Reverse Engineering
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44What is this weird program?Chicken RCEhttps://daniao.ws/stack-ctf-20/weird-programReverse Engineering
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45Can you trick OrgX into giving away their credentials?ItzyBitzySpider
https://jloh02.github.io/ctf/stack-the-flags-2020#can-you-trick-orgx-into-giving-away-their-credentials
Social Engineering
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46Find the last seen location of where one of the Korovax's staff is at.
:thinking: but brainrot
https://docs.google.com/document/d/1rKRqM19seDS-mZYEnOe_HEAjVkd5tUkbQtlaWPfR7bY/edit#heading=h.kus31rv71rp8
Social Engineering
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47Save Josh!
:thinking: but brainrot
https://docs.google.com/document/d/1rKRqM19seDS-mZYEnOe_HEAjVkd5tUkbQtlaWPfR7bY/edit#heading=h.kus31rv71rp8
Social Engineering
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48Breaking FreeSIG0CT
https://github.com/arnav-ag/STACKtheFlags2020/blob/main/Breaking%20Free/README.md
Web
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49Feed the BeastMushroom
https://github.com/4yn/slashbadctf/blob/master/govtech20/feed-the-beast/feed-the-beast-solution.md
Web
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50Final CountdownPwningActionPartyhttps://quanyang.github.io/stack-2020-final-countdown/Web
Does not qualify for award as the submission is made after the deadline. This submission is for community reference only.
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51Logged InTeam Mitsuha
https://github.com/IRS-Cybersec/ctfdump/tree/stack-mitsuha/STACK%20the%20Flags%202020/Mitsuha/Web/2.%20Logged%20In
Web
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52Ransom Me ThisPwningActionPartyhttps://quanyang.github.io/stack-2020-ransom-me-this/Web
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53Unlock MeOV3RWR1T3[Stacks 2020 CTF] Unlock Me - Web - DEVWeb
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54You shall not pass!Cookiezhttps://team.nullsecsig.com/posts/STF-You-shall-not-pass!/Web
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