Trend Micro CTF 2020 - Raimund Genes Cup - Online Qualifier
30 challenges with 40 published community solutions between them. Solution links go to CTFtime’s task page, which aggregates every writeup for a challenge - individual blog posts rot, the aggregator does not.
Full task list on CTFtimeMisc14
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Constraint
8 official solutionsAlso written up in: Hong5489/TrendMicroCTF2020, Hong5489/TrendMicroCTF2020, Hong5489/TrendMicroCTF2020, Hong5489/TrendMicroCTF2020, Hong5489/TrendMicroCTF2020, Hong5489/TrendMicroCTF2020, Hong5489/TrendMicroCTF2020, Hong5489/TrendMicroCTF2020
AdapterHelper
1 official solutionAlso written up in: Hong5489/TrendMicroCTF2020
AnimatedStateListDrawableCompat
1 official solutionAlso written up in: Hong5489/TrendMicroCTF2020
ContextCompat
1 official solutionAlso written up in: Hong5489/TrendMicroCTF2020
DiffUtil
1 official solutionAlso written up in: Hong5489/TrendMicroCTF2020
FileProvider
1 official solutionAlso written up in: Hong5489/TrendMicroCTF2020
FontsContractCompat
1 official solutionAlso written up in: Hong5489/TrendMicroCTF2020
JobIntentService
1 official solutionAlso written up in: Hong5489/TrendMicroCTF2020
LiveData
1 official solutionAlso written up in: Hong5489/TrendMicroCTF2020
LocalBroadcastManager
1 official solutionAlso written up in: Hong5489/TrendMicroCTF2020
LruCache
1 official solutionAlso written up in: Hong5489/TrendMicroCTF2020
NotificationCompatJellybean
1 official solutionAlso written up in: Hong5489/TrendMicroCTF2020
OpReorderer
1 official solutionAlso written up in: Hong5489/TrendMicroCTF2020
PrintHelper
1 official solutionAlso written up in: Hong5489/TrendMicroCTF2020
Uncategorised10
The upstream scoreboard did not say, so neither do we.
Reverse2
2 official solutionsAlso written up in: Hong5489/TrendMicroCTF2020, Hong5489/TrendMicroCTF2020
Also written up in: p4-team/ctf
CachingModuleScriptProviderBase
1 official solutionAlso written up in: Hong5489/TrendMicroCTF2020
Ciphertext
1 official solutionAlso written up in: Hong5489/TrendMicroCTF2020
ClassCache
1 official solutionAlso written up in: Hong5489/TrendMicroCTF2020
ConsoleTextArea
1 official solutionAlso written up in: Hong5489/TrendMicroCTF2020
EvalTextArea
1 official solutionAlso written up in: Hong5489/TrendMicroCTF2020
Hint0
1 official solutionAlso written up in: Hong5489/TrendMicroCTF2020
NativeArray
1 official solutionAlso written up in: Hong5489/TrendMicroCTF2020
Require
1 official solutionAlso written up in: Hong5489/TrendMicroCTF2020
Reverse engineering6
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
Also written up in: Hong5489/TrendMicroCTF2020, Hong5489/TrendMicroCTF2020
- apk
- android
Also written up in: jjy-security.tistory.com
- python
- rev
Same technique in picoCTF: keygenme-py, Shop, patchme.py
- reverse
Same technique in picoCTF: Checkpass, WinAntiDbg0x100, WinAntiDbg0x200
- nes
- reverse-engineering
Same technique in picoCTF: Checkpass, WinAntiDbg0x100, WinAntiDbg0x200
- rf
- mobile
Same technique in picoCTF: Checkpass, WinAntiDbg0x100, WinAntiDbg0x200