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Resurgent malware targets Outlook and Thunderbird users but bypasses Russia (cybernews.com)

submitted 4 months ago by kid@sh.itjust.works to c/cybersecurity@sh.itjust.works

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[–] heeplr@feddit.de 5 points 4 months ago (1 children)

articles don't mention mitigation methods.

what to disable in thunderbird to not be vulnerable to "obfuscated JavaScript file that is sent to the victim through emails in archive files." and prevent that "The JavaScript file drops a self-copy at “C:\Users\<Username>” location with random names like “needlereportcreepy.bat”. The bat file is then executed"?

[–] Telorand@reddthat.com 4 points 4 months ago (1 children)

Best info I could find is from a previous blog post two links beyond the original article. "This updated version of malware delivered via JavaScript comes in archive files as attachments in emails."

So, don't open any weird attachments...? That's what I'm getting from it.

[–] user134450@sh.itjust.works 4 points 4 months ago (1 children)

It could be using the HTML email renderer. Best to disable HTML view for emails unless its a know good source.
View > Message Body As > Plain text

[–] Telorand@reddthat.com 3 points 4 months ago

Could be. Unfortunately, the folks who found this don't really go into enough detail about the attack's initial entry point.