Write-ups
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crackmesone — indulgeo_crackme_v2
An educational keygenme challenge written in pure Assembly, with a difficulty rating of 3.5. Working through this really deepened my understanding of Assembly code, and I picked up an encryption algorithm along the way!
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Flare-On 12 Write-Up: #6 Chain of Demands
Some interesting Cryptography and Web3 stuff in the 6th challenge from Flare-On 12!
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Flare-On 12 Write-Up: #5 ntfsm
Having fun with some FSM in the 5th challenge from Flare-On 12!
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Flare-On 12 Write-Up: #4 UnholyDragon
Lots of guessing to solve a guess-what-the-author-wants-you-to-do challenge - 4th challenge from Flare-On 12!
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Flare-On 12 Write-Up: #3 pretty_devilish_file
Dealing with a “devilish” PDF file in the 3rd challenge from Flare-On 12!
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Flare-On 12 Write-Up:#2 project_chimera
Reading some “secret” Python bytecode in the 2nd challenge from Flare-On 12!
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Flare-On 12 Write-Up: #1 Drill Baby Drill!
A great start with the 1st challenge from Flare-On 12!
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crackmesone — noname_vs's verry easy kid friendly crackme
A crackme that includes anti-debugging, anti-VM, and even anti–anti-debugging techniques, plus a small decoy!
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crackmesone — genass3's patch protect
A super cool crackme featuring CRC patching protections, with a difficulty rating of 2. This write-up explains how I cracked it by patching the binary (and also by reconstructing or dumping the correct key from memory)!
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crackmesone — git's simple crackme medium-hard
A crackme with a difficulty of 2.3, written in C/C++ for Windows. I learned a lot from solving it, especially about using a debugger!