Hacked PC - random sounds playing (sh.itjust.works)

submitted 1 month ago* (last edited 1 month ago) by LOLseas@sh.itjust.works to c/linux@programming.dev

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My fellow penguins,

I have been pwned. What started off as weeks of smiling everytime I heard a 7-10s soundbyte of Karma Factory's "Where Is My Mind" has now devolved into hearing dashes and dots (Morse Code) and my all-time favorite, a South Park S13: Dead Celebrities soundbyte of Ike's Dad saying, "Ike, we are sick of you talking about ghosts!"

It's getting old now.

I feel like these sounds should be grepable in some log somewhere, but I'm a neophyte to this. I've done a clean (secure wipe >> reinstall) already, the sounds returned not even a day later.

Distro is Debian Bookworm. So how do I find these soundbytes? And how do I overcome this persistence? UFW is blocking inbound connection attempts everyday, but the attacker already established a foothold.

Thank you in advance. LOLseas

Update: post-reinstallation and monitoring incoming connections, I'm happy to say the sounds have not returned. This has given me the motivation to install a Netgate 1100 with pfSense ahead of the PC. Thank you all!

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[-] rudyharrelson@lemmy.radio 1 points 1 month ago

Did you try running a scan for malware? I usually use ClamAV. It's a simple, FOSS anti-virus scanner for Linux. Can run it from the terminal or install a version with a GUI if you'd prefer that.