$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
Reset

24 challenges · browse all techniques

Challenge CTF Weight Category Has
Fruit_Deals
#maldoc#vba-macro#obfuscation
 UTCTF 2024 – Reverse files wu 1
ReadingList
#strings
 UTCTF 2023 – Reverse files wu 1
EbookDRM
#ld-preload#binary-patching#library-hooking
 UTCTF 2022 – Reverse files wu 1
Algorithm
#cpp-reversing#bfs#graph
 UTCTF 2021 – Reverse files wu 1
File.tetr
#custom-encoding#run-length-encoding
 UTCTF 2021 – Reverse files wu 1
Recur
#recursion#memoization
 UTCTF 2021 – Reverse files wu 3
Run-ELF
#reversing
 UTCTF 2021 – Reverse files wu 3
StringyThings
#strings
 UTCTF 2021 – Reverse files wu 3
PeebPoob UTCTF 2021 – Reverse files wu 3
Maps UTCTF 2025 – Reverse files
Ostrich_Algorithm UTCTF 2025 – Reverse files
Retro_Cookie_Clicker UTCTF 2025 – Reverse files
Safe_Word UTCTF 2025 – Reverse files
Accelerated_Hell UTCTF 2024 – Reverse files
Beginner_Basic_Reversing_Problem UTCTF 2024 – Reverse files
In_The_Dark UTCTF 2024 – Reverse files
PES_128 UTCTF 2024 – Reverse files src
beginner UTCTF 2024 – Reverse files src
AdventureROM5 UTCTF 2023 – Reverse files
Game UTCTF 2023 – Reverse files
LooksCorrecttoMe UTCTF 2023 – Reverse files
Welcome UTCTF 2023 – Reverse files
AdventureROM4 UTCTF 2022 – Reverse files
AdventureROMPart3 UTCTF 2021 – Reverse files