$ ctf42

Challenges

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

30 challenges · browse all techniques

Challenge CTF Weight Category Has
EtherealCrackme
#windows-reversing#anti-analysis
 VishwaCTF 2023 22.69 Reverse files wu 1
MechanicalEngineering
#gcode#binary-encoding
 VishwaCTF 2023 22.69 Reverse files wu 1
ReversingIsEzeeee
#pyinstaller#pyc-decompile
 VishwaCTF 2023 22.69 Reverse files wu 1
WednesdayThursdayFriday
#z3#constraint-solving
 VishwaCTF 2023 22.69 Reverse files wu 1
Confusion
#anti-debugging#reversing
 VishwaCTF 2022 20.79 Reverse files wu 1
Uzumaki
#reversing#modular-arithmetic
 VishwaCTF 2022 20.79 Reverse files wu 1
Apollo11
#file-carving#iso-extraction
 VishwaCTF 2021 – Reverse files wu 1
Facile
#binwalk#strings
 VishwaCTF 2021 – Reverse files wu 2
FlowRev
#reversing#buffer-overflow
 VishwaCTF 2021 – Reverse files wu 1
MisleadingSteps
#false-flag#dynamic-analysis
 VishwaCTF 2021 – Reverse files wu 2
Rotations
#binary-patching#caesar-cipher
 VishwaCTF 2021 – Reverse files wu 2
BetGame VishwaCTF 2022 20.79 Reverse files wu 1
Hungry_Friends VishwaCTF 2025 27.90 Reverse files
Safe_Box VishwaCTF 2025 27.90 Reverse files
Phi-Calculator VishwaCTF 2023 22.69 Reverse files
ReverseHill VishwaCTF 2023 22.69 Reverse files
AggressiveVault VishwaCTF 2022 20.79 Reverse files
BrutalTaskmaster VishwaCTF 2022 20.79 Reverse files
CorruptedImage VishwaCTF 2022 20.79 Reverse files
FlagChecker VishwaCTF 2022 20.79 Reverse files
Hahaha VishwaCTF 2022 20.79 Reverse files
IsThisEvenHashing VishwaCTF 2022 20.79 Reverse files
OneWayEnigma VishwaCTF 2022 20.79 Reverse files
OverCook VishwaCTF 2022 20.79 Reverse files
RunTheCat VishwaCTF 2022 20.79 Reverse files
TakeYourTime VishwaCTF 2022 20.79 Reverse files
TakingOverTheWorld VishwaCTF 2022 20.79 Reverse files
GiveItToGetIt VishwaCTF 2021 – Reverse files
UselessApp VishwaCTF 2021 – Reverse files
pub VishwaCTF 2021 – Reverse files