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Notepad++ Hijacked by State-Sponsored Hackers
(notepad-plus-plus.org)
This is a most excellent place for technology news and articles.
You might have version 8.8.1 or lower, however it might have tried to order update got the vulnerable package instead and then remained on the older version. I think even if you have the older version that's not a sign that you weren't compromised.
Fair point. I was assuming the malicious payload would come along with an update on order to hide, but it's also possible that the malicious payload was delivered without any update to notepad++.
I've not seen any IOCs published have you?
There's some IOC information here:
https://securelist.com/notepad-supply-chain-attack/118708/
And here:
https://www.rapid7.com/blog/post/tr-chrysalis-backdoor-dive-into-lotus-blossoms-toolkit/
Thanks!