# Proxmark3 v4.19552 "Orca" Released

> The Orca release adds the FM11RF08S backdoor dumper, an iClass key-to-hash0 reverse command, full Hitag S protocol support, and faster emulator-backed MIFARE attacks.

_2024-11-22_

Version 4.19552 "Orca" of the [Iceman fork](https://github.com/RfidResearchGroup/proxmark3) of the Proxmark3 firmware and client is available. This release focuses on iClass and Hitag advances, faster MIFARE workflows, and better SPI flash diagnostics.

## Highlights
- Added `mf_backdoor_dump.py` to dump FM11RF08S and similar MIFARE Classic 1k tags directly using the known backdoor keys, making cloning these chips far quicker.
- Added `hf iclass unhash` to reverse an iClass diversified key back to its hash0 pre-images, and improved `hf iclass legrec` to leverage reduced entropy from hash0 constraints.
- Added full support for all Hitag S response protocol modes plus the 8268/8310 variants, and reorganized commands into `lf hitag hts reader/rdbl/wdbl/sim` for a consistent interface.
- Changed `hf mf sim` to support data-first and nested reader attacks, while `hf mf ecfill` gained quick dump via backdoor auth for faster emulator fills.
- Added `hf 14a aidsim` to simulate a PICC that responds to specific AIDs and getData requests, and `hf 14a raw` now supports crypto.
- Added `hf 14b setuid` to set the UID on magic 14b tags, with `hf 14b info` now detecting Tiananxin chips.
- Fixed hardnested on AVX512F and improved `hf iclass configcard` to generate elite and keyroll cards for Rev.C legacy readers.
- Added `spi_flash_decode.py` and made `hw status` show the SPI flash JEDEC manufacturer and device IDs, with `mem spiffs` now using all available flash space.

## Contributors
This release landed thanks to [@iceman1001](https://github.com/iceman1001), [@doegox](https://github.com/doegox), [@antiklesys](https://github.com/antiklesys), [@ANTodorov](https://github.com/ANTodorov), [@douniwan5788](https://github.com/douniwan5788), [@jmichelp](https://github.com/jmichelp), [@piotrva](https://github.com/piotrva), [@nvx](https://github.com/nvx), [@evildaemond](https://github.com/evildaemond), [@onovy](https://github.com/onovy), [@Aptimex](https://github.com/Aptimex), [@xianglin1998](https://github.com/xianglin1998), [@archi](https://github.com/archi), and others.

Read the [full changelog and downloads on GitHub](https://github.com/RfidResearchGroup/proxmark3/releases/tag/v4.19552).