Horrible for sure, not least because hackers now know that the channel file parser is fragile and perhaps exploitable. I haven't seen any significant discussion about follow-on attacks, it's all been about rolling back the config file rather than addressing the root cause, which is the shonky device driver.
"Although Channel Files end with the SYS extension, they are not kernel drivers."
https://www.crowdstrike.com/blog/technical-details-on-todays...