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Author:
tragedia
Language:
C/C++
Upload:
2026-11-06 22:06
Platform:
Windows
Difficulty:
2.0
Quality:
4.0
Arch:
x86-64
Downloads:
166
Size:
63.53 KB
Writeups:
0
Comments:
1
Description
eazy crack An original offline educational crackme for Windows x64. GOAL Analyze the key verification and demonstrate a reproducible bypass. Recovering the original accepted key is an optional additional goal. Merely launching the presentation code directly is not a solution. INPUT Enter one case-sensitive key at the "Enter key>" prompt. After successful verification, an optional operator name is requested. This name is used only for the presentation and does not affect the accepted key. This is not a keygenme. OUTPUT An incorrect key prints: "Invalid key or damaged payload." The correct key starts a success presentation with a thank-you message. Press Enter to exit. IMPLEMENTATION Native C executable using Windows CNG for AES-GCM and PBKDF2-HMAC-SHA256 with 520,000 iterations. The program checks its executable file integrity at startup. It also checks for an attached debugger and selected analysis-tool process names. If a debugger or blocked tool is detected at startup, a Windows error dialog is displayed. If detected while the program is running, the program terminates itself without a dialog. No network access. No commercial packer or protector. No Python installation or additional application resources required. Suggested approach: Locate the verification routine and analyze the control flow, cryptographic API calls, and integrity check. Tested on Windows x64 with valid and invalid input.
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