Here is a list of commands (or make a shell script) to stop it phoning home and getting more payload.
# Disable 3CX Unattended-Upgrades Service systemctl stop unattended-upgrades # Collect the version of 3CX Desktop Apps on the Server cd /var/lib/3cxpbx/Instance1/Data/Http/electron ls -la * > /root/3cx-desktop-versions.log # Remove the files rm -rf /var/lib/3cxpbx/Instance1/Data/Http/electron/osx/*.dmg rm -rf /var/lib/3cxpbx/Instance1/Data/Http/electron/osx/*.zip rm -rf /var/lib/3cxpbx/Instance1/Data/Http/electron/windows/*.msi rm -rf /var/lib/3cxpbx/Instance1/Data/Http/electron/windows/*.nupkg https://www.3cx.com/community/threads/threat-alerts-from-sentinelone-for-desktop-update-initiated-from-desktop-client.119806/page-5 Sadly, 3CX haven't even acknowledged this yet. It would seem that their whole CI-CD pipeline has been compromised Greg. Greg Lipschitz | Founder & CEO | Summit Internet glipsch...@summitinternet.com.au summitinternet.com.au 1300 049 749 Unit 2, 31-39 Norcal Road, Nunawading VIC 3131 Summit Internet ________________________________ From: AusNOG <ausnog-boun...@lists.ausnog.net> on behalf of Rob Thomas <xro...@gmail.com> Sent: 30 March 2023 14:54 To: <ausnog@lists.ausnog.net> <ausnog@lists.ausnog.net> Subject: [AusNOG] Critical 3CX Windows/Mac hack. As no-one's mentioned it here yet, I just thought I'd bring up the zero-day, in the wild, active RIGHT NOW, trojan 3CX Windows and Mac apps. If you, or you have clients, running 3CX, make sure they ARE NOT using the app. If they are, their machines are probably already owned, and all their stored credentials and session cookies have been leaked. https://www.bleepingcomputer.com/news/security/hackers-compromise-3cx-desktop-app-in-a-supply-chain-attack/amp/<https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.bleepingcomputer.com%2Fnews%2Fsecurity%2Fhackers-compromise-3cx-desktop-app-in-a-supply-chain-attack%2Famp%2F&data=05%7C01%7Cglipschitz%40summitinternet.com.au%7C5134fed0ee3f4dbc894808db30d2a12f%7C0838a12f226e43dfa6e4bb63d2643a7e%7C0%7C0%7C638157453430051909%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=UvNTww7E05nvQnaDQ25Qc8XytZFC%2FhIseT3MHYckCNM%3D&reserved=0> This is really bad. Sorry 8-( --Rob
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