Mifare Classic Tool 2.3.1 May 2026

MIFARE Classic Tool (MCT) version 2.3.1 remains a staple for security enthusiasts and hobbyists working with 13.56MHz RFID technology. At its core, it’s an Android-based utility that turns a smartphone into a portable reader/writer for MIFARE Classic tags. What MCT 2.3.1 Does

MIFARE Classic Tool (MCT) is a popular, open-source Android application designed for users to interact with MIFARE Classic RFID tags. Version mifare classic tool 2.3.1

Key Mapping: If the tag has default keys (e.g., FF FF FF FF FF FF), the app will automatically locate and read the sectors. If keys are unknown, you may need to use the "Map Keys to Sector" feature using a dictionary attack.

Mifare Classic Tool (MCT) v2.3.1

Release Status: Stable Developer: Gerhard Klostermeier (GK) Platform: Android License: GNU General Public License v3.0 MIFARE Classic Tool (MCT) version 2

For this reason, professionals keep an old Android phone running Android 7 or 8 with MCT 2.3.1 specifically installed. Key Mapping: If the tag has default keys (e

Dump Analysis: Comparing and editing "dumps" (full snapshots of a card's data). The "Magic" Requirement

Tag Cloning: It can clone the data from one tag to another (dump-wise), which is useful for creating backups of access cards or transit passes.

• A "Magic Card" (backdoor Mifare clone) is placed on the reader.
• The saved dump is written to the new card, creating a functional duplicate.

If you are a systems integrator: Stop using MIFARE Classic. Today. And if you must use it for legacy reasons, at least use diversified keys and monitor your readers for the unique RF patterns of a Nested Attack—specifically the version signature left by MCT 2.3.1.