Proxmark3 v4.20728 "Phrack" Released

Version 4.20728, nicknamed “Phrack”, of the Iceman fork of the Proxmark3 is available. This release adds Saflok support, a built-in MQTT client, deeper FeliCa tooling, and several iCLASS workflow improvements for Proxmark 3, RDV4 and iCopy-X users.

Highlights

  • New hf saflok commands add support for the Saflok hotel lock ecosystem, a frequently requested target.
  • The client gained a full MQTT bridge: the new mqtt commands let the client send and receive MQTT messages or JSON files, with preference handling, and a Windows segfault in the MQTT path was fixed.
  • FeliCa support expanded with hf felica liteauth for FeliCa Lite-S authentication, hf felica scsvcode to dump all service and area codes, and partial hf felica dump of all blocks from unauthenticated readable services.
  • iCLASS restore workflows improved: hf iclass restore and hf iclass wrbl now support privilege escalation to restore card content via replay when MACs are not supplied.
  • New lf t55xx view command allows viewing T55xx dump files offline, and lf t55xx restore now skips writing block 0 when it is all zeros.
  • Added HID Simplex Grinnell 36-bit format with an improved Simplex decoder, plus detection of the PCF7961 chipset.
  • data crypto now also handles AES-256, and hf mf info gained detection of unknown and variant backdoor keys.
  • New ! command runs system commands from inside the client (flagged as potentially dangerous when running as root/sudo).

Contributors

This release landed thanks to @iceman1001, @antiklesys, @zinongli, @CorySolovewicz, @doegox, @stiebeljoshua, @q0jt, @virtyvoid, @henrygab, @trigat, and others.

Read the full changelog and downloads on GitHub.

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