A brief daily summary of what is important in information security. The podcast is published every weekday and designed to get you ready for the day with a brief, usually 5 minute long, summary of current network security related events. The content is late breaking, educational and based on listener input as well as on input received by the SANS Internet Stormcenter. You may submit questions and comments via our contact form at https://isc.sans.edu/contact.html .
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ISC StormCast for Monday, April 1st, 2024
xz-utils Backdoor CVE-2024-3094 https://www.openwall.com/lists/oss-security/2024/03/29/4 https://tukaani.org/xz-backdoor/ https://gist.github.com/thesamesam/223949d5a074ebc3dce9ee78baad9e27 Backdoor reverse analysis https://bsky.app/profile/did:plc:x2nsupeeo52oznrmplwapppl/post/3kowjkx2njy2b YARA Rule https://github.com/byinarie/CVE-2024-3094-info/blob/main/CVE-2024-3094.yar Social Engineering Attempts to Include Backdoor in Distros https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1067708 https://news.ycombinator.com/item?id=39866275 Github Repo (now disabled) https://github.com/tukaani-project/xz Statements from Distributions https://www.kali.org/blog/about-the-xz-backdoor/ https://archlinux.org/news/the-xz-package-has-been-backdoored/ https://access.redhat.com/security/cve/CVE-2024-3094 https://bugs.gentoo.org/928134 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1068024
ISC StormCast for Friday, March 29th, 2024
From JavaScript to AsyncRAT https://isc.sans.edu/diary/From%20JavaScript%20to%20AsyncRAT/30788 TeamCity Patches https://www.jetbrains.com/privacy-security/issues-fixed/?product=TeamCity&version=2024.03 Okta Verify for Windows Auto-update Arbitrary Code Execution CVE-2024-0980 https://trust.okta.com/security-advisories/okta-verify-windows-auto-update-arbitrary-code-execution-cve-2024-0980/ Google Zero Day Report https://storage.googleapis.com/gweb-uniblog-publish-prod/documents/Year_in_Review_of_ZeroDays.pdf
ISC StormCast for Friday, March 29th, 2024
From JavaScript to AsyncRAT https://isc.sans.edu/diary/From%20JavaScript%20to%20AsyncRAT/30788 TeamCity Patches https://www.jetbrains.com/privacy-security/issues-fixed/?product=TeamCity&version=2024.03 Okta Verify for Windows Auto-update Arbitrary Code Execution CVE-2024-0980 https://trust.okta.com/security-advisories/okta-verify-windows-auto-update-arbitrary-code-execution-cve-2024-0980/ Google Zero Day Report https://storage.googleapis.com/gweb-uniblog-publish-prod/documents/Year_in_Review_of_ZeroDays.pdf
ISC StormCast for Thursday, March 28th, 2024
Scans for Apache OfBiz https://isc.sans.edu/diary/Scans%20for%20Apache%20OfBiz/30784 Wall-Escape (CVE-2024-28085) https://people.rit.edu/sjf5462/6831711781/wall_2_27_2024.txt Recent "MFA Bombing" Attacks Targeting Apple Users https://krebsonsecurity.com/2024/03/recent-mfa-bombing-attacks-targeting-apple-users/
ISC StormCast for Thursday, March 28th, 2024
Scans for Apache OfBiz https://isc.sans.edu/diary/Scans%20for%20Apache%20OfBiz/30784 Wall-Escape (CVE-2024-28085) https://people.rit.edu/sjf5462/6831711781/wall_2_27_2024.txt Recent "MFA Bombing" Attacks Targeting Apple Users https://krebsonsecurity.com/2024/03/recent-mfa-bombing-attacks-targeting-apple-users/
ISC StormCast for Wednesday, March 27th, 2024
New tool: linux-pkgs.sh https://isc.sans.edu/forums/diary/New%20tool%3A%20linux-pkgs.sh/30774/ Suspicious NuGet package grabs data from industrial systems https://www.reversinglabs.com/blog/suspicious-nuget-package-grabs-data-from-industrial-systems Preventing Cross Service UDP Loops in QUIC https://bughunters.google.com/blog/5960150648750080/preventing-cross-service-udp-loops-in-quic ShadowRay Attacks AI Workloads Actively Exploited in the Wild https://www.oligo.security/blog/shadowray-attack-ai-workloads-actively-exploited-in-the-wild TheMoon Malware Infects 6,000 ASUS Routers in 72 Hours for Proxy Service https://www.bleepingcomputer.com/news/security/themoon-malware-infects-6-000-asus-routers-in-72-hours-for-proxy-service/
ISC StormCast for Wednesday, March 27th, 2024
New tool: linux-pkgs.sh https://isc.sans.edu/forums/diary/New%20tool%3A%20linux-pkgs.sh/30774/ Suspicious NuGet package grabs data from industrial systems https://www.reversinglabs.com/blog/suspicious-nuget-package-grabs-data-from-industrial-systems Preventing Cross Service UDP Loops in QUIC https://bughunters.google.com/blog/5960150648750080/preventing-cross-service-udp-loops-in-quic ShadowRay Attacks AI Workloads Actively Exploited in the Wild https://www.oligo.security/blog/shadowray-attack-ai-workloads-actively-exploited-in-the-wild TheMoon Malware Infects 6,000 ASUS Routers in 72 Hours for Proxy Service https://www.bleepingcomputer.com/news/security/themoon-malware-infects-6-000-asus-routers-in-72-hours-for-proxy-service/
ISC StormCast for Tuesday, March 26th, 2024
Tool updates: le-hex-to-ip.py and sigs.py https://isc.sans.edu/diary/Tool%20updates%3A%20le-hex-to-ip.py%20and%20sigs.py/30772 Apple Updates for MacOS, iOS/iPadOS, visionOS; https://isc.sans.edu/diary/Apple%20Updates%20for%20MacOS%2C%20iOS%20iPadOS%20and%20visionOS/30778 Fake Python Infrastructure https://checkmarx.com/blog/over-170k-users-affected-by-attack-using-fake-python-infrastructure/ OpenVPN Update https://openvpn.net/community-downloads/
ISC StormCast for Tuesday, March 26th, 2024
Tool updates: le-hex-to-ip.py and sigs.py https://isc.sans.edu/diary/Tool%20updates%3A%20le-hex-to-ip.py%20and%20sigs.py/30772 Apple Updates for MacOS, iOS/iPadOS, visionOS; https://isc.sans.edu/diary/Apple%20Updates%20for%20MacOS%2C%20iOS%20iPadOS%20and%20visionOS/30778 Fake Python Infrastructure https://checkmarx.com/blog/over-170k-users-affected-by-attack-using-fake-python-infrastructure/ OpenVPN Update https://openvpn.net/community-downloads/
ISC StormCast for Monday, March 25th, 2024
1768.py's Experimental Mode https://isc.sans.edu/diary/1768.py%27s%20Experimental%20Mode/30770 CISCP Advisory on Application-Layer Loop DoS https://docs.google.com/document/d/1KByZzrdwQhrXGPPCf9tUzERZyRzg0xOpGbWoDURZxTI/edit Fixes for Windows Server LSASS Memory Leak https://www.catalog.update.microsoft.com/Search.aspx?q=2024-03%20Cumulative%20Update
ISC StormCast for Monday, March 25th, 2024
1768.py's Experimental Mode https://isc.sans.edu/diary/1768.py%27s%20Experimental%20Mode/30770 CISCP Advisory on Application-Layer Loop DoS https://docs.google.com/document/d/1KByZzrdwQhrXGPPCf9tUzERZyRzg0xOpGbWoDURZxTI/edit Fixes for Windows Server LSASS Memory Leak https://www.catalog.update.microsoft.com/Search.aspx?q=2024-03%20Cumulative%20Update
ISC StormCast for Friday, March 22nd, 2024
Geofeed https://isc.sans.edu/forums/diary/Whois%20%22geofeed%22%20Data/30766/ Apple Updates https://support.apple.com/en-us/HT201222 Apple Bug https://gofetch.fail/ GitHub Copilot AutoFix https://github.blog/2024-03-20-found-means-fixed-introducing-code-scanning-autofix-powered-by-github-copilot-and-codeql/ Fortinet PoC https://www.horizon3.ai/attack-research/attack-blogs/cve-2023-48788-fortinet-forticlientems-sql-injection-deep-dive/ Ivanti Standalone Sentry https://forums.ivanti.com/s/article/KB-CVE-2023-41724-Remote-Code-Execution-for-Ivanti-Standalone-Sentry?language=en_US
ISC StormCast for Friday, March 22nd, 2024
Geofeed https://isc.sans.edu/forums/diary/Whois%20%22geofeed%22%20Data/30766/ Apple Updates https://support.apple.com/en-us/HT201222 Apple Bug https://gofetch.fail/ GitHub Copilot AutoFix https://github.blog/2024-03-20-found-means-fixed-introducing-code-scanning-autofix-powered-by-github-copilot-and-codeql/ Fortinet PoC https://www.horizon3.ai/attack-research/attack-blogs/cve-2023-48788-fortinet-forticlientems-sql-injection-deep-dive/ Ivanti Standalone Sentry https://forums.ivanti.com/s/article/KB-CVE-2023-41724-Remote-Code-Execution-for-Ivanti-Standalone-Sentry?language=en_US
ISC StormCast for Thursday, March 21st, 2024
Scans for the Fortinet FortiOS CVE-2024-21762 Vulnerability https://isc.sans.edu/diary/Scans%20for%20Fortinet%20FortiOS%20and%20the%20CVE-2024-21762%20vulnerability/30762 Microsoft Reminder: It is Tax Season (at least in the US) https://www.theregister.com/2024/03/20/its_tax_season_and_scammers/ Abusing DHCP Administrators Group for Privilege Escalation in Windows Domains; https://www.akamai.com/blog/security-research/abusing-dhcp-administrators-group-for-privilege-escalation-in-windows-domains
ISC StormCast for Thursday, March 21st, 2024
Scans for the Fortinet FortiOS CVE-2024-21762 Vulnerability https://isc.sans.edu/diary/Scans%20for%20Fortinet%20FortiOS%20and%20the%20CVE-2024-21762%20vulnerability/30762 Microsoft Reminder: It is Tax Season (at least in the US) https://www.theregister.com/2024/03/20/its_tax_season_and_scammers/ Abusing DHCP Administrators Group for Privilege Escalation in Windows Domains; https://www.akamai.com/blog/security-research/abusing-dhcp-administrators-group-for-privilege-escalation-in-windows-domains