I agree it doesn't show anything about how it gets itself run/installed in Linux, but there are some details on what it does once it's running on Linux, checksu

I agree it doesn't show anything about how it gets itself run/installed in Linux, but there are some details on what it does once it's running on Linux, checksums for elf binaries, etc. They do at least provide some evidence of Windows, Linux, and MacOS payloads.