| Component | Description | |-----------|-------------| | Original installer | Legitimate MIRC v7.38 setup file | | Patch executable (XenoCoder) | Modifies the original binary or memory | | Keygen (sometimes) | Generates fake registration keys | | NFO file | Text file with release notes and cracking group branding | | Loader (optional) | Launcher that bypasses registration checks |
1. Introduction MIRC (short for "Internet Relay Chat") is a popular Windows-based IRC client developed by Khaled Mardam-Bey. Version 7.38 is a legitimate release from approximately 2017-2018. However, the distribution package titled “MIRC v7.38 Final Incl Patch -XenoCoder-” is not an official release. It is a cracked or pirated version that includes a patch created by an individual or group using the alias "XenoCoder."
Example assembly logic (pre-patch):
CALL IsRegistered TEST EAX, EAX NOP ; Removed conditional logic NOP CALL ShowUnregisteredDialog ; Never reached if patch changes flow MIRC implements CRC checks on its executable. A sophisticated patch must also disable or patch the checksum verification routine, otherwise the program will detect tampering and crash or display a warning. 4. Security Risks Using this patched version introduces severe risks, especially given IRC’s historical role in malware distribution.
CALL IsRegistered TEST EAX, EAX JNZ RegisteredLabel ; Jump if registered CALL ShowUnregisteredDialog Post-patch: