Published onNovember 15, 2025BuckeyeCTF '25 - Beginner ChallengesbeginnerBeginnerbeginnerbuckeyeCTF-2025buckeyeCTFName0xdbeefWriteup for all beginner challenges.
Published onNovember 6, 2025ctflearn.com - Binary hard challengespwnPwnpwnbinaryctflearn.comNamekersziThese tasks come from the challenge platform ctflearn.com and are marked as hard. They are part of the Binary category and involve exploiting vulnerable binaries.
Published onOctober 29, 2025Hack the Night serieswebWebwebdeadfacedeadface-2025Namenull_byteMy solution for deadface hack the night series web challenges.
Published onOctober 29, 2025Headers GamewebWebwebdeadfacedeadface-2025Namenull_byteMy solution for deadface web/headers game challenge.
Published onOctober 28, 2025DEADFACE CTF 2025 - PWN challengespwnPwnpwndeadfacedeadface-2025NamekersziNameGrzechuThese tasks originate from the PWN challenge at WHY2025 CTF
Published onSeptember 30, 2025SunshineCTF - i95 challengesi95SunshineCTFSunshineCTF-2025NamekersziNameCappybaraNameGrzechuThese tasks originate from the i95 challenge at SunshineCTF
Published onSeptember 30, 2025SunshineCTF - pegasus challengePegasusSunshineCTFSunshineCTF-2025NamekersziNamemichalBBThese tasks originate from the Pegasus challenge at SunshineCTF
Published onSeptember 22, 2025K17 - PWN ChallengespwnPwnpwnK17-2025K17NamekersziWrite-up for selected PWN tasks from the inaugural K17 CTF, focusing on the Singular hole challenge.
Published onSeptember 14, 2025ImaginaryCTF 2025 dinosaur write-upforensicForensicforensicImaginaryCTFImaginaryCTF-2025NameLazarusA clever emoji-to-mosaic pipeline concealed a noisy QR that ultimately yielded to manual restoration and a satisfying reveal.
Published onAugust 27, 2025Brød & Co. — Mobile (Hard) WriteupmobileMobilemobilecryptoCryptocryptoandroidflutterreverseaesBrunnerCTF-2025BrunnerCTFNameBarryPLReverse a Flutter Android app, derive a valid coupon via AES-128-ECB and XOR, and extract the flag.
Published onAugust 27, 2025Friday Cake — Mobile (Medium) WriteupmobileMobilemobileandroidreversejnifridaBrunnerCTF-2025BrunnerCTFNameBarryPLHook the Kotlin/JNI bridge with Frida to recover the secret access code at runtime and unlock the app.
Published onAugust 25, 2025LITCTF 2025 - Rev - Kaizo BrackeysrevRevrevgamesGamesgamesunity-engineLITCTFLITCTF-2025NameCappybaraReversing a game made in Unity Engine from LITCTF 2025