We have the paid whiz bang M365 version (you can tell I use Windows, right!?)
When we removed it and then reinstalled it, it grabbed it straight away.

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: Matthew Mace <matt...@htsol.com.au>
Sent: 30 March 2023 16:58
To: Greg Lipschitz <glipsch...@summitinternet.com.au>; Nathan Brookfield 
<nathan.brookfi...@iperium.com.au>; Christopher Hawker <ch...@thesysadmin.dev>; 
Rob Thomas <xro...@gmail.com>; <ausnog@lists.ausnog.net> 
<ausnog@lists.ausnog.net>
Subject: RE: [AusNOG] Critical 3CX Windows/Mac hack.

You don't often get email from matt...@htsol.com.au. Learn why this is 
important<https://aka.ms/LearnAboutSenderIdentification>

Interesting!



How long ago did it start seeing it and was It standard defender or Endpoint 
Business?







Matthew Mace

Director

Honest Technology Solutions

P: 07 3188 7244

E: matt...@htsol.com.au<mailto:matt...@htsol.com.au>



www.htsol.com.au<https://aus01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.htsol.com.au%2F&data=05%7C01%7Cglipschitz%40summitinternet.com.au%7C3e53ff8877ba461ef70508db30e3dcce%7C0838a12f226e43dfa6e4bb63d2643a7e%7C0%7C0%7C638157527457979236%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=tvenO4p9FtY%2BA2pdX5DphxarqK7chYbN1Yhlrpm2Tg0%3D&reserved=0>

"Keeping IT Honest"



[cid:image001.png@01D96320.88ED0BC0]





From: Greg Lipschitz <glipsch...@summitinternet.com.au>
Sent: Thursday, March 30, 2023 3:48 PM
To: Matthew Mace <matt...@htsol.com.au>; Nathan Brookfield 
<nathan.brookfi...@iperium.com.au>; Christopher Hawker <ch...@thesysadmin.dev>; 
Rob Thomas <xro...@gmail.com>; <ausnog@lists.ausnog.net> 
<ausnog@lists.ausnog.net>
Subject: Re: [AusNOG] Critical 3CX Windows/Mac hack.



Windows Defender picked it up too.



Greg Lipschitz​

 |

Founder & CEO

 |

Summit Internet

glipsch...@summitinternet.com.au<mailto:glipsch...@summitinternet.com.au>

summitinternet.com.au<https://aus01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fsummitinternet.com.au%2F&data=05%7C01%7Cglipschitz%40summitinternet.com.au%7C3e53ff8877ba461ef70508db30e3dcce%7C0838a12f226e43dfa6e4bb63d2643a7e%7C0%7C0%7C638157527457979236%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=3EyM3Pd5pii4zx9Xm0aquhVe6cEiWS0sOOmaWXitziM%3D&reserved=0>

1300 049 749<tel:1300%20049%20749>

Unit 2, 31-39 Norcal Road, Nunawading VIC 
3131<https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.google.com%2Fmaps%3Fcid%3D12522583051503623677%26_ga%3D2.149009334.1057584350.1554770858-1081443428.1554770858&data=05%7C01%7Cglipschitz%40summitinternet.com.au%7C3e53ff8877ba461ef70508db30e3dcce%7C0838a12f226e43dfa6e4bb63d2643a7e%7C0%7C0%7C638157527457979236%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=d2Lii8liwdK2oyNLUXSbR7C%2BaXm0TmW7dWqFByZyWpU%3D&reserved=0>

[cid:image002.png@01D96320.88ED0BC0]

[cid:image003.png@01D96320.88ED0BC0]

[Summit 
Internet]<https://aus01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fsummitinternet.com.au%2F&data=05%7C01%7Cglipschitz%40summitinternet.com.au%7C3e53ff8877ba461ef70508db30e3dcce%7C0838a12f226e43dfa6e4bb63d2643a7e%7C0%7C0%7C638157527457979236%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=3EyM3Pd5pii4zx9Xm0aquhVe6cEiWS0sOOmaWXitziM%3D&reserved=0>

[cid:image005.png@01D96320.88ED0BC0]



________________________________

From: Matthew Mace <matt...@htsol.com.au>
Sent: 30 March 2023 15:57
To: Nathan Brookfield <nathan.brookfi...@iperium.com.au>; Christopher Hawker 
<ch...@thesysadmin.dev>; Greg Lipschitz <glipsch...@summitinternet.com.au>; Rob 
Thomas <xro...@gmail.com>; <ausnog@lists.ausnog.net> <ausnog@lists.ausnog.net>
Subject: RE: [AusNOG] Critical 3CX Windows/Mac hack.



You don't often get email from matt...@htsol.com.au. Learn why this is 
important<https://aka.ms/LearnAboutSenderIdentification>

Can anyone definitively confirm that they’ve personally seen it get picked up 
by anything else than S1?



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.



Definitely curious to know either way.







Matthew Mace





From: AusNOG <ausnog-boun...@lists.ausnog.net> On Behalf Of Nathan Brookfield
Sent: Thursday, March 30, 2023 2:51 PM
To: Christopher Hawker <ch...@thesysadmin.dev>; Greg Lipschitz 
<glipsch...@summitinternet.com.au>; Rob Thomas <xro...@gmail.com>; 
<ausnog@lists.ausnog.net> <ausnog@lists.ausnog.net>
Subject: Re: [AusNOG] Critical 3CX Windows/Mac hack.



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.



From: AusNOG 
<ausnog-boun...@lists.ausnog.net<mailto:ausnog-boun...@lists.ausnog.net>> On 
Behalf Of Christopher Hawker
Sent: Thursday, March 30, 2023 3:31 PM
To: Greg Lipschitz 
<glipsch...@summitinternet.com.au<mailto:glipsch...@summitinternet.com.au>>; 
Rob Thomas <xro...@gmail.com<mailto:xro...@gmail.com>>; 
<ausnog@lists.ausnog.net<mailto:ausnog@lists.ausnog.net>> 
<ausnog@lists.ausnog.net<mailto:ausnog@lists.ausnog.net>>
Subject: Re: [AusNOG] Critical 3CX Windows/Mac hack.



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.



Not a good look for them.



CH



Get Outlook for 
Android<https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Faka.ms%2FAAb9ysg&data=05%7C01%7Cglipschitz%40summitinternet.com.au%7C3e53ff8877ba461ef70508db30e3dcce%7C0838a12f226e43dfa6e4bb63d2643a7e%7C0%7C0%7C638157527457979236%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=wx6B%2ByjV5nWfRSpFXl2H%2F6XN4%2BgsRcdgCkIB6o05M8M%3D&reserved=0>

________________________________

From: AusNOG 
<ausnog-boun...@lists.ausnog.net<mailto:ausnog-boun...@lists.ausnog.net>> on 
behalf of Greg Lipschitz 
<glipsch...@summitinternet.com.au<mailto:glipsch...@summitinternet.com.au>>
Sent: Thursday, March 30, 2023 3:09:45 PM
To: Rob Thomas <xro...@gmail.com<mailto:xro...@gmail.com>>; 
<ausnog@lists.ausnog.net<mailto:ausnog@lists.ausnog.net>> 
<ausnog@lists.ausnog.net<mailto:ausnog@lists.ausnog.net>>
Subject: Re: [AusNOG] Critical 3CX Windows/Mac hack.



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<https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.3cx.com%2Fcommunity%2Fthreads%2Fthreat-alerts-from-sentinelone-for-desktop-update-initiated-from-desktop-client.119806%2Fpage-5&data=05%7C01%7Cglipschitz%40summitinternet.com.au%7C3e53ff8877ba461ef70508db30e3dcce%7C0838a12f226e43dfa6e4bb63d2643a7e%7C0%7C0%7C638157527457979236%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=2PuQU0clb%2Fth3Wx3bPdig9M2GcB4pthDar2xMEg4lR4%3D&reserved=0>





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<mailto:glipsch...@summitinternet.com.au>

summitinternet.com.au<https://aus01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fsummitinternet.com.au%2F&data=05%7C01%7Cglipschitz%40summitinternet.com.au%7C3e53ff8877ba461ef70508db30e3dcce%7C0838a12f226e43dfa6e4bb63d2643a7e%7C0%7C0%7C638157527457979236%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=3EyM3Pd5pii4zx9Xm0aquhVe6cEiWS0sOOmaWXitziM%3D&reserved=0>

1300 049 749<tel:1300%20049%20749>

Unit 2, 31-39 Norcal Road, Nunawading VIC 
3131<https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.google.com%2Fmaps%3Fcid%3D12522583051503623677%26_ga%3D2.149009334.1057584350.1554770858-1081443428.1554770858&data=05%7C01%7Cglipschitz%40summitinternet.com.au%7C3e53ff8877ba461ef70508db30e3dcce%7C0838a12f226e43dfa6e4bb63d2643a7e%7C0%7C0%7C638157527457979236%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=d2Lii8liwdK2oyNLUXSbR7C%2BaXm0TmW7dWqFByZyWpU%3D&reserved=0>

[cid:image002.png@01D96320.88ED0BC0]

[cid:image003.png@01D96320.88ED0BC0]

[Summit 
Internet]<https://aus01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fsummitinternet.com.au%2F&data=05%7C01%7Cglipschitz%40summitinternet.com.au%7C3e53ff8877ba461ef70508db30e3dcce%7C0838a12f226e43dfa6e4bb63d2643a7e%7C0%7C0%7C638157527457979236%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=3EyM3Pd5pii4zx9Xm0aquhVe6cEiWS0sOOmaWXitziM%3D&reserved=0>

[cid:image005.png@01D96320.88ED0BC0]



________________________________

From: AusNOG 
<ausnog-boun...@lists.ausnog.net<mailto:ausnog-boun...@lists.ausnog.net>> on 
behalf of Rob Thomas <xro...@gmail.com<mailto:xro...@gmail.com>>
Sent: 30 March 2023 14:54
To: <ausnog@lists.ausnog.net<mailto:ausnog@lists.ausnog.net>> 
<ausnog@lists.ausnog.net<mailto: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%7C3e53ff8877ba461ef70508db30e3dcce%7C0838a12f226e43dfa6e4bb63d2643a7e%7C0%7C0%7C638157527457979236%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=0gosoVz1GPGxL9o%2BGxsa7TsWLhKWPuZqU6buGcj%2BO4U%3D&reserved=0>



This is really bad. Sorry 8-(



--Rob


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