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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Can anyone definitively confirm that they’ve personally seen it get picked up by anything else than S1?
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">In addition to this anyone that has had it installed at a site and also run a premium DNS filtering service (Umbrella, DNS Filter etc.) and/or premium routers with DPI (Sonicwall, Firebox etc.),
do you know if they picked up this traffic and stopped it? I would be hoping so.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Definitely curious to know either way.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black">Matthew Mace<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="color:black"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> AusNOG <ausnog-bounces@lists.ausnog.net>
<b>On Behalf Of </b>Nathan Brookfield<br>
<b>Sent:</b> Thursday, March 30, 2023 2:51 PM<br>
<b>To:</b> Christopher Hawker <chris@thesysadmin.dev>; Greg Lipschitz <glipschitz@summitinternet.com.au>; Rob Thomas <xrobau@gmail.com>; <ausnog@lists.ausnog.net> <ausnog@lists.ausnog.net><br>
<b>Subject:</b> Re: [AusNOG] Critical 3CX Windows/Mac hack.<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">To be fair, they likely don’t know much yet and things are probably pretty hectic…. Give them time, crisis management is probably only kicking in now.<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> AusNOG <<a href="mailto:ausnog-bounces@lists.ausnog.net">ausnog-bounces@lists.ausnog.net</a>>
<b>On Behalf Of </b>Christopher Hawker<br>
<b>Sent:</b> Thursday, March 30, 2023 3:31 PM<br>
<b>To:</b> Greg Lipschitz <<a href="mailto:glipschitz@summitinternet.com.au">glipschitz@summitinternet.com.au</a>>; Rob Thomas <<a href="mailto:xrobau@gmail.com">xrobau@gmail.com</a>>; <<a href="mailto:ausnog@lists.ausnog.net">ausnog@lists.ausnog.net</a>> <<a href="mailto:ausnog@lists.ausnog.net">ausnog@lists.ausnog.net</a>><br>
<b>Subject:</b> Re: [AusNOG] Critical 3CX Windows/Mac hack.<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">It appears their sales team have no info regarding this. Just rang our Senior AM at 3CX and they've advised that they have no information, and that they are referring anyone who calls to their technical teams via support tickets in the
3CX portal.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Not a good look for them.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">CH<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Get <a href="https://aka.ms/AAb9ysg">Outlook for Android</a><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="color:black">From:</span></b><span style="color:black"> AusNOG <<a href="mailto:ausnog-bounces@lists.ausnog.net">ausnog-bounces@lists.ausnog.net</a>> on behalf of Greg Lipschitz <<a href="mailto:glipschitz@summitinternet.com.au">glipschitz@summitinternet.com.au</a>><br>
<b>Sent:</b> Thursday, March 30, 2023 3:09:45 PM<br>
<b>To:</b> Rob Thomas <<a href="mailto:xrobau@gmail.com">xrobau@gmail.com</a>>; <<a href="mailto:ausnog@lists.ausnog.net">ausnog@lists.ausnog.net</a>> <<a href="mailto:ausnog@lists.ausnog.net">ausnog@lists.ausnog.net</a>><br>
<b>Subject:</b> Re: [AusNOG] Critical 3CX Windows/Mac hack.</span> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">Here is a list of commands (or make a shell script) to stop it phoning home and getting more payload.<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<span class="xcontentpasted0"><span style="font-size:10.5pt;font-family:"Courier New";color:green"># Disable 3CX Unattended-Upgrades Service</span></span><span style="font-size:10.5pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.75pt;background:white"><span class="xcontentpasted0"><span style="font-size:10.5pt;font-family:"Courier New";color:black">systemctl stop unattended-upgrades</span></span><span style="font-size:10.5pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.75pt;background:white"><span class="xcontentpasted0"><span style="font-size:10.5pt;font-family:"Courier New";color:green"># Collect the version of 3CX Desktop Apps on the Server</span></span><span style="font-size:10.5pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.75pt;background:white"><span class="xcontentpasted0"><span style="font-size:10.5pt;font-family:"Courier New";color:#795E26">cd</span></span><span class="xcontentpasted0"><span style="font-size:10.5pt;font-family:"Courier New";color:black"> /var/lib/3cxpbx/Instance1/Data/Http/electron</span></span><span style="font-size:10.5pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.75pt;background:white"><span class="xcontentpasted0"><span style="font-size:10.5pt;font-family:"Courier New";color:black">ls -la * > /root/3cx-desktop-versions.log</span></span><span style="font-size:10.5pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.75pt;background:white"><span style="font-size:10.5pt;font-family:"Courier New";color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="line-height:15.75pt;background:white"><span class="xcontentpasted0"><span style="font-size:10.5pt;font-family:"Courier New";color:green"># Remove the files</span></span><span style="font-size:10.5pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.75pt;background:white"><span style="font-size:10.5pt;font-family:"Courier New";color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="line-height:15.75pt;background:white"><span class="xcontentpasted0"><span style="font-size:10.5pt;font-family:"Courier New";color:black">rm -rf /var/lib/3cxpbx/Instance1/Data/Http/electron/osx/*.dmg</span></span><span style="font-size:10.5pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.75pt;background:white"><span class="xcontentpasted0"><span style="font-size:10.5pt;font-family:"Courier New";color:black">rm -rf /var/lib/3cxpbx/Instance1/Data/Http/electron/osx/*.zip</span></span><span style="font-size:10.5pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.75pt;background:white"><span class="xcontentpasted0"><span style="font-size:10.5pt;font-family:"Courier New";color:black">rm -rf /var/lib/3cxpbx/Instance1/Data/Http/electron/windows/*.msi</span></span><span style="font-size:10.5pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.75pt;background:white"><span class="xcontentpasted0"><span style="font-size:10.5pt;font-family:"Courier New";color:black">rm -rf /var/lib/3cxpbx/Instance1/Data/Http/electron/windows/*.nupkg</span></span><span style="font-size:10.5pt;font-family:"Courier New";color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><a href="https://www.3cx.com/community/threads/threat-alerts-from-sentinelone-for-desktop-update-initiated-from-desktop-client.119806/page-5">https://www.3cx.com/community/threads/threat-alerts-from-sentinelone-for-desktop-update-initiated-from-desktop-client.119806/page-5</a><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">Sadly, 3CX haven't even acknowledged this yet.<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">It would seem that their whole CI-CD pipeline has been compromised<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">Greg. <o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#000001">Greg Lipschitz</span></b><b><span style="font-size:1.0pt;font-family:"remialcxesans",serif;color:white"></span></b><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#000001"><o:p></o:p></span></b></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#000001"> | <o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#000001">Founder & CEO<o:p></o:p></span></b></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#000001"> | <o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#000001">Summit Internet<o:p></o:p></span></b></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif"><a href="mailto:glipschitz@summitinternet.com.au" target="_blank"><strong><span style="font-family:"Arial",sans-serif;color:#253374;font-weight:normal">glipschitz@summitinternet.com.au</span></strong></a><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif"><a href="http://summitinternet.com.au" target="_blank"><strong><span style="font-family:"Arial",sans-serif;color:#253374;font-weight:normal">summitinternet.com.au</span></strong></a><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif"><a href="tel:1300%20049%20749" target="_blank"><strong><span style="font-family:"Arial",sans-serif;color:#000001;font-weight:normal;text-decoration:none">1300 049 749</span></strong></a><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif"><a href="https://www.google.com/maps?cid=12522583051503623677&_ga=2.149009334.1057584350.1554770858-1081443428.1554770858" target="_blank"><strong><span style="font-family:"Arial",sans-serif;color:#000001;font-weight:normal;text-decoration:none">Unit 2, 31-39 Norcal Road, Nunawading VIC 3131</span></strong></a><o:p></o:p></span></p>
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<p class="MsoNormal"><a href="http://summitinternet.com.au/" target="_blank"><span style="font-size:1.0pt;text-decoration:none"><img border="0" width="179" height="33" style="width:1.8645in;height:.3437in" id="Picture_x0020_4" src="cid:image003.png@01D96317.E105C670" alt="Summit Internet"></span></a><span style="font-size:1.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black">From:</span></b><span style="color:black"> AusNOG <<a href="mailto:ausnog-bounces@lists.ausnog.net">ausnog-bounces@lists.ausnog.net</a>> on behalf of Rob Thomas <<a href="mailto:xrobau@gmail.com">xrobau@gmail.com</a>><br>
<b>Sent:</b> 30 March 2023 14:54<br>
<b>To:</b> <<a href="mailto:ausnog@lists.ausnog.net">ausnog@lists.ausnog.net</a>> <<a href="mailto:ausnog@lists.ausnog.net">ausnog@lists.ausnog.net</a>><br>
<b>Subject:</b> [AusNOG] Critical 3CX Windows/Mac hack.</span> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">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.
<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">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.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><a href="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">https://www.bleepingcomputer.com/news/security/hackers-compromise-3cx-desktop-app-in-a-supply-chain-attack/amp/</a><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">This is really bad. Sorry 8-(<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">--Rob<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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