crackmes.one

Writeup for Random user and pw protected console app

Author: madzohan.ytb
Date: 2025-10-15 12:48
Summary: 2x replace JZ with JMP Steps I've done: 1) open downloaded binary in Ghidra debugger. 2) search "User_not_recognized." All fields 3) pressed Ctrl+E (show decompliler) and analyzed FUN_140019fa0 4) noticed two if/else for user/password ... thats where patches should be applied user bypass replace CTRL+SHIFT+G (Patch intstruction) 14001a0cb 74 74 JZ LAB_14001a141 with 14001a0cb eb 74 JMP LAB_14001a141 password bypass replace CTRL+SHIFT+G (Patch intstruction) 14001a18e 0f 84 81 JZ LAB_14001a215 00 00 00 with 14001a18e 48 e9 81 JMP LAB_14001a215 00 00 00 Done Export modified exe and run =) gist version here https://gist.github.com/madzohan/e2ded5e8c912782df21dbe8bc3dba287

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