- unpack_watchguard is a tool that unpacks this file format (sysa-dl).
- watchguard_sysa_dl.ksy contains Kaitai description of Watchguard Fireware web update file format.
This update format is used by WatchGuard Firebox firewalls. The unpacker has been tested on firmware for the M400 and M500 series. An example of an update file can be found here
./unpack_watchguard M440.sysa-dl /tmp/hdd.ext2
Also you can explore Sysa-dl by ksv ( kaitai struct visualizer)
ksv M440.sysa-dl watchguard_sysa_dl.ksy