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

submitted 4 days 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

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[–] LOLseas@sh.itjust.works 3 points 4 days ago

I am a networking neophyte. Though I bought a Netgate 1100 appliance (pfSense supported). I want to get it up and running, just want to solve the PC problem first.

I've done a few nMaps and saw lots of connections I didn't recognize. I had a large WireShark pcap I was ferreting around in, but like I said, I don't know enough to do it justice. I went downthre rabbit hole and before long I was considering Suricata as an IDS/IPS. I felt like I was reachjng a bit far, when up till now it's localized to the PC and maybe (idk) the ISP router.