Ex02b.exe ★ Tested & Working

Set a breakpoint at the or jump instruction ( JZ , JNZ ). Modify the EAX register to bypass the check. Observe the decrypted output in memory. 5. Conclusion & Solution The Flag/Key: [Insert Key Here]

Use the strings command to look for hardcoded messages or suspicious APIs (e.g., IsDebuggerPresent ). ex02b.exe

Briefly explain the "lesson" of the challenge (e.g., "This taught the basics of string obfuscation"). To give you a more detailed draft, could you tell me: Is this for a specific course or CTF ? What behavior do you see when you run it? Set a breakpoint at the or jump instruction ( JZ , JNZ )

Look for networking ( ws2_32.dll ) or file manipulation ( Kernel32.dll ) functions that hint at the program's behavior. 3. Decompilation & Logic Flow To give you a more detailed draft, could

Include a small block of the cleaned-up pseudocode from your decompiler. 4. Dynamic Analysis (Execution)

A professional write-up should be structured to show the file is, how it works, and what the final result is. 1. Executive Summary File Name: ex02b.exe File Type: Windows Executable (PE)