level03: done

2025-05-06 13:56:20 +02:00
parent d8ce593b67
commit 132e604f3b
3 changed files with 16 additions and 1 deletions
--- a/level03/source.c
+++ b/level03/source.c
@ -10,10 +10,11 @@ int decrypt(char key)

 	// Stack canary protection (or SSP)
 	// *(_DWORD *)((char *)&str[4] + 1) = __readgsdword(0x14u);
+	//
 	strcpy((char *)str, "Q}|u`sfg~sf{}|a3");
 	len = strlen((const char *)str);
 	for (int i = 0; i < len; ++i)
-		*((char *)str + i) ^= key;
+		str[i] ^= key;
 	// Key needs to equal 12
 	if (!strcmp((const char *)str, "Congratulations!"))
 		return system("/bin/sh");