It would be really interesting how they distribute the malware.
Ukraine
News and discussion related to Ukraine
*Sympathy for enemy combatants is prohibited.
*No content depicting extreme violence or gore.
*Posts containing combat footage should include [Combat] in title
*Combat videos containing any footage of a visible human must be flagged NSFW
Donate to support Ukraine's Defense
Donate to support Humanitarian Aid
Without prodiving details sounds like propaganda piece.
Russians doing this bad thing but we don't really tell you how or any defense tricks...
The defense is to keep your device locked down and don't click on sketchy shit. There's not much point in trying to publish an exhaustive list of known bad links & email attachments, as that list would be obsolete within moments of its release.
They should examine if GrapheneOS would work for their needs. A lot less attack surface as far as Android phones go.
Edit: Probably a good idea to avoid Telegram as well in favor of better platforms and apps like Signal, Matrix, etc. Not sure where Telegram is run from but I don't trust them
Here are the gory details for any who are interested: https://media.defense.gov/2023/Aug/31/2003292099/-1/-1/0/INFAMOUS_CHISEL_20230831.PDF