Author Topic: Technical  (Read 1216808 times)

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Offline Asyn

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Re: Technical
« Reply #4080 on: May 11, 2022, 12:03:17 PM »
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Re: Technical
« Reply #4081 on: May 11, 2022, 05:03:22 PM »
NetDooka Framework Distributed via PrivateLoader Malware as Part of Pay-Per-Install Service
https://www.trendmicro.com/en_us/research/22/e/netdooka-framework-distributed-via-privateloader-ppi.html
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Re: Technical
« Reply #4082 on: May 12, 2022, 10:00:28 AM »
Mobile subscription Trojans and their little tricks
https://securelist.com/mobile-subscription-trojans-and-their-tricks/106412/
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Re: Technical
« Reply #4083 on: May 12, 2022, 05:05:48 PM »
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Offline bob3160

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Re: Technical
« Reply #4084 on: May 12, 2022, 05:25:42 PM »
UK govt releases free tool to check for email cybersecurity risks
https://www.bleepingcomputer.com/news/security/uk-govt-releases-free-tool-to-check-for-email-cybersecurity-risks/
This is restricted to Business in the UK.
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Re: Technical
« Reply #4085 on: May 13, 2022, 12:09:55 PM »
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Re: Technical
« Reply #4086 on: May 14, 2022, 10:21:01 AM »
W8.1 [x64] - Avast PremSec 22.7.7366.BC [UI.713] - Firefox ESR 91.11 [NS/uBO/PB] - Thunderbird 91.11
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W8.1 [x64] - Avast PremSec 22.7.7366.BC [UI.713] - Firefox ESR 91.11 [NS/uBO/PB] - Thunderbird 91.11
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Re: Technical
« Reply #4088 on: May 15, 2022, 10:52:38 AM »
AvosLocker Ransomware Variant Abuses Driver File to Disable Anti-Virus, Scans for Log4shell
https://www.trendmicro.com/en_us/research/22/e/avoslocker-ransomware-variant-abuses-driver-file-to-disable-anti-Virus-scans-log4shell.html

Avast responded to our notification with this statement:
"We can confirm the vulnerability in an old version of our driver aswArPot.sys, which we fixed in our Avast 21.5 released in June 2021. We also worked closely with Microsoft, so they released a block in the Windows operating system (10 and 11), so the old version of the Avast driver can't be loaded to memory.

The below example shows that the blocking works (output from the "sc start" command):

               (SC) StartService FAILED 1275:

               This driver has been blocked from loading

The update from Microsoft for the Windows operating system was published in February as an optional update, and in Microsoft's security release in April, so fully updated machines running Windows 10 and 11 are not vulnerable to this kind of attack.

All consumer and business antivirus versions of Avast and AVG detect and block this AvosLocker ransomware variant, so our users are protected from this attack vector.

For users of third-party antivirus software, to stay protected against this vulnerability, we recommend users to update their Windows operating system with the latest security updates, and to use a fully updated antivirus program."
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Offline bob3160

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Re: Technical
« Reply #4089 on: May 15, 2022, 01:59:52 PM »
AvosLocker Ransomware Variant Abuses Driver File to Disable Anti-Virus, Scans for Log4shell
https://www.trendmicro.com/en_us/research/22/e/avoslocker-ransomware-variant-abuses-driver-file-to-disable-anti-Virus-scans-log4shell.html

Avast responded to our notification with this statement:
"We can confirm the vulnerability in an old version of our driver aswArPot.sys, which we fixed in our Avast 21.5 released in June 2021. We also worked closely with Microsoft, so they released a block in the Windows operating system (10 and 11), so the old version of the Avast driver can't be loaded to memory.

The below example shows that the blocking works (output from the "sc start" command):

               (SC) StartService FAILED 1275:

               This driver has been blocked from loading

The update from Microsoft for the Windows operating system was published in February as an optional update, and in Microsoft's security release in April, so fully updated machines running Windows 10 and 11 are not vulnerable to this kind of attack.

All consumer and business antivirus versions of Avast and AVG detect and block this AvosLocker ransomware variant, so our users are protected from this attack vector.

For users of third-party antivirus software, to stay protected against this vulnerability, we recommend users to update their Windows operating system with the latest security updates, and to use a fully updated antivirus program."

Anyone running Antivirus that by now would be almost 1 year out of date,
isn't really interested in protection.
I don't see the sense in publishing an article about a vulnerability that was fixed 11 month's ago?
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Re: Technical
« Reply #4090 on: May 16, 2022, 10:19:04 AM »
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Re: Technical
« Reply #4091 on: May 16, 2022, 04:49:41 PM »
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Re: Technical
« Reply #4092 on: May 16, 2022, 05:01:29 PM »
Microsoft: Sysrv botnet targets Windows, Linux servers with new exploits
https://www.bleepingcomputer.com/news/security/microsoft-sysrv-botnet-targets-windows-linux-servers-with-new-exploits/
If your system is up to date, this isn't anything to worry about. These exploits have all be addressed but,
your system needs to be kept up to date.
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Re: Technical
« Reply #4093 on: May 17, 2022, 10:06:57 AM »
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Offline DavidR

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Re: Technical
« Reply #4094 on: May 17, 2022, 01:01:36 PM »
Please Confirm You Received Our APT
https://www.fortinet.com/blog/threat-research/please-confirm-you-received-our-apt

For me the email subject, would have me suspicious right from the start.

I confirm nothing, and the Subject having Fw: (forward) in the subject would also have alarm bells ringing.  Lets say someone did seek confirmation of receipt the email would hardly have been forwarded.  Little things like this should have people suspicious and on their guard.

I also use MailWasherPRO as my first level of check, I don't download email directly.  This marks obvious spam and it doesn't download all of the email just a small part (user configurable) and you can set it to be viewed in plain text.  This allows you to look at it and the email and headers without triggering any html content (web-beacons/images/tracking, etc.). 

The program does flag obvious spam, using various sources and allows you to change/mark emails as spam/clean.  Emails marked as Spam are deleted from the email server, for the remainder it calls your email program and the ones you wanted/flagged as good can be downloaded.
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