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 Friday, February 24th, 2023

February 23, 2023 5:24 4.84 MB Downloads: 0

Updated Exchange AV Guidance https://techcommunity.microsoft.com/t5/exchange-team-blog/update-on-the-exchange-server-antivirus-exclusions/ba-p/3751464 Best Practices for Securing Your Home Network https://media.defense.gov/2023/Feb/22/2003165170/-1/-1/0/CSI_BEST_PRACTICES_FOR_SECURING_YOUR_HOME_NETWORK.PDF Attacks on Data Center Organizations https://www.resecurity.com/blog/article/cyber-attacks-on-data-center-organizations NPM Package Phishing https://checkmarx.com/blog/how-npm-packages-were-used-to-spread-phishing-links/ Malicious PyPi Packages https://www.fortinet.com/blog/threat-research/more-supply-chain-attacks-via-new-malicious-python-packages-in-pypi

ISC StormCast for Thursday, February 23rd, 2023

February 22, 2023 5:36 5.01 MB Downloads: 0

Internet Wide Scan Fingerprinting Confluence Servers https://isc.sans.edu/diary/Internet%20Wide%20Scan%20Fingerprinting%20Confluence%20Servers/29574 Apple Updates Advisories https://support.apple.com/en-us/HT213606 https://support.apple.com/en-us/HT213605 https://www.trellix.com/en-us/about/newsroom/stories/research/trellix-advanced-research-center-discovers-a-new-privilege-escalation-bug-class-on-macos-and-ios.html Questionable two-factor Apps https://twitter.com/mysk_co/status/1627097291063435264 VMWare Carbon Black App Control Vulnerability https://www.vmware.com/security/advisories/VMSA-2023-0004.html

ISC StormCast for Thursday, February 23rd, 2023

February 22, 2023 5:36 5.01 MB Downloads: 0

Internet Wide Scan Fingerprinting Confluence Servers https://isc.sans.edu/diary/Internet%20Wide%20Scan%20Fingerprinting%20Confluence%20Servers/29574 Apple Updates Advisories https://support.apple.com/en-us/HT213606 https://support.apple.com/en-us/HT213605 https://www.trellix.com/en-us/about/newsroom/stories/research/trellix-advanced-research-center-discovers-a-new-privilege-escalation-bug-class-on-macos-and-ios.html Questionable two-factor Apps https://twitter.com/mysk_co/status/1627097291063435264 VMWare Carbon Black App Control Vulnerability https://www.vmware.com/security/advisories/VMSA-2023-0004.html

ISC StormCast for Wednesday, February 22nd, 2023

February 21, 2023 4:56 4.45 MB Downloads: 0

Phishing Page Branded with Your Corporate Website https://isc.sans.edu/diary/Phishing%20Page%20Branded%20with%20Your%20Corporate%20Website/29570 Fortinet FortiNAC CVE-2022-39952 Deep-Dive and IOCs https://www.horizon3.ai/fortinet-fortinac-cve-2022-39952-deep-dive-and-iocs/ Apache Commons FileUpload Vulnerability https://lists.apache.org/thread/4xl4l09mhwg4vgsk7dxqogcjrobrrdoy VMWare Windows Server 2022 Fix https://docs.vmware.com/en/VMware-vSphere/7.0/rn/vsphere-esxi-70u3k-release-notes.html#resolvedissues

ISC StormCast for Wednesday, February 22nd, 2023

February 21, 2023 4:56 4.45 MB Downloads: 0

Phishing Page Branded with Your Corporate Website https://isc.sans.edu/diary/Phishing%20Page%20Branded%20with%20Your%20Corporate%20Website/29570 Fortinet FortiNAC CVE-2022-39952 Deep-Dive and IOCs https://www.horizon3.ai/fortinet-fortinac-cve-2022-39952-deep-dive-and-iocs/ Apache Commons FileUpload Vulnerability https://lists.apache.org/thread/4xl4l09mhwg4vgsk7dxqogcjrobrrdoy VMWare Windows Server 2022 Fix https://docs.vmware.com/en/VMware-vSphere/7.0/rn/vsphere-esxi-70u3k-release-notes.html#resolvedissues

ISC StormCast for Tuesday, February 21st, 2023

February 20, 2023 5:46 5.15 MB Downloads: 0

OneNote Suricata Rules https://isc.sans.edu/diary/OneNote%20Suricata%20Rules/29564 New IIS Backdoor https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/frebniis-malware-iis Outlook Spam https://www.bleepingcomputer.com/news/microsoft/microsoft-outlook-flooded-with-spam-due-to-broken-email-filters/ Godaddy Breach and Website Redirects https://aboutus.godaddy.net/newsroom/company-news/news-details/2023/Statement-on-recent-website-redirect-issues/default.aspx

ISC StormCast for Tuesday, February 21st, 2023

February 20, 2023 5:46 5.15 MB Downloads: 0

OneNote Suricata Rules https://isc.sans.edu/diary/OneNote%20Suricata%20Rules/29564 New IIS Backdoor https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/frebniis-malware-iis Outlook Spam https://www.bleepingcomputer.com/news/microsoft/microsoft-outlook-flooded-with-spam-due-to-broken-email-filters/ Godaddy Breach and Website Redirects https://aboutus.godaddy.net/newsroom/company-news/news-details/2023/Statement-on-recent-website-redirect-issues/default.aspx

ISC StormCast for Monday, February 20th, 2023

February 19, 2023 5:46 5.15 MB Downloads: 0

Phishing Emails to out Handlers Inbox https://isc.sans.edu/diary/Spear%20Phishing%20Handlers%20for%20Username%20Password/29560 Twitter Alters 2FA https://blog.twitter.com/en_us/topics/product/2023/an-update-on-two-factor-authentication-using-sms-on-twitter Fortinet Updates https://www.fortiguard.com/psirt-monthly-advisory/february-2023-vulnerability-advisories https://twitter.com/Horizon3Attack/status/1626692778062237713 Cisco ClamAV Patches https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-q8DThCy

ISC StormCast for Monday, February 20th, 2023

February 19, 2023 5:46 5.15 MB Downloads: 0

Phishing Emails to out Handlers Inbox https://isc.sans.edu/diary/Spear%20Phishing%20Handlers%20for%20Username%20Password/29560 Twitter Alters 2FA https://blog.twitter.com/en_us/topics/product/2023/an-update-on-two-factor-authentication-using-sms-on-twitter Fortinet Updates https://www.fortiguard.com/psirt-monthly-advisory/february-2023-vulnerability-advisories https://twitter.com/Horizon3Attack/status/1626692778062237713 Cisco ClamAV Patches https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-q8DThCy

ISC StormCast for Friday, February 17th, 2023

February 16, 2023 5:18 4.76 MB Downloads: 0

HTML Phishing Attachment with Browser-in-the-Browser Technique https://isc.sans.edu/diary/HTML%20phishing%20attachment%20with%20browser-in-the-browser%20technique/29556 Windows Server 2022 Might Not Start Up After Updates https://learn.microsoft.com/en-us/windows/release-health/status-windows-server-2022#windows-server-2022-might-not-start-up New ESXiArgs Encryption Routing Outmaneuvers Recovery Methods https://www.malwarebytes.com/blog/news/2023/02/new-esxiargs-encryption-routine-outmaneuvers-recovery-methods PHP Updates https://www.php.net ClamAV Patches https://blog.clamav.net/2023/02/clamav-01038-01052-and-101-patch.html

ISC StormCast for Friday, February 17th, 2023

February 16, 2023 5:18 4.76 MB Downloads: 0

HTML Phishing Attachment with Browser-in-the-Browser Technique https://isc.sans.edu/diary/HTML%20phishing%20attachment%20with%20browser-in-the-browser%20technique/29556 Windows Server 2022 Might Not Start Up After Updates https://learn.microsoft.com/en-us/windows/release-health/status-windows-server-2022#windows-server-2022-might-not-start-up New ESXiArgs Encryption Routing Outmaneuvers Recovery Methods https://www.malwarebytes.com/blog/news/2023/02/new-esxiargs-encryption-routine-outmaneuvers-recovery-methods PHP Updates https://www.php.net ClamAV Patches https://blog.clamav.net/2023/02/clamav-01038-01052-and-101-patch.html

ISC StormCast for Thursday, February 16th, 2023

February 15, 2023 5:33 4.96 MB Downloads: 0

DNS Recon Redux https://isc.sans.edu/diary/DNS%20Recon%20Redux%20-%20Zone%20Transfers%20%28plus%20a%20time%20machine%29%20for%20When%20You%20Can%27t%20do%20a%20Zone%20Transfer/29552 GitHub Copilot Update https://github.blog/2023-02-14-github-copilot-now-has-a-better-ai-model-and-new-capabilities/ Hyundai Software Update https://www.hyundaiantitheft.com Citrix Patches CVE-2023-24486, CVE-2023-24484, CVE-2023-24485, and CVE-2023-24483 https://www.cisa.gov/uscert/ncas/current-activity/2023/02/14/citrix-releases-security-updates-workspace-apps-virtual-apps-and HA Proxy Patch CVE-2023-25725 https://www.mail-archive.com/haproxy@formilux.org/msg43229.html Firefox Patches https://www.mozilla.org/en-US/security/advisories/mfsa2023-05/

ISC StormCast for Thursday, February 16th, 2023

February 15, 2023 5:33 4.96 MB Downloads: 0

DNS Recon Redux https://isc.sans.edu/diary/DNS%20Recon%20Redux%20-%20Zone%20Transfers%20%28plus%20a%20time%20machine%29%20for%20When%20You%20Can%27t%20do%20a%20Zone%20Transfer/29552 GitHub Copilot Update https://github.blog/2023-02-14-github-copilot-now-has-a-better-ai-model-and-new-capabilities/ Hyundai Software Update https://www.hyundaiantitheft.com Citrix Patches CVE-2023-24486, CVE-2023-24484, CVE-2023-24485, and CVE-2023-24483 https://www.cisa.gov/uscert/ncas/current-activity/2023/02/14/citrix-releases-security-updates-workspace-apps-virtual-apps-and HA Proxy Patch CVE-2023-25725 https://www.mail-archive.com/haproxy@formilux.org/msg43229.html Firefox Patches https://www.mozilla.org/en-US/security/advisories/mfsa2023-05/

ISC StormCast for Wednesday, February 15th, 2023

February 14, 2023 6:11 5.5 MB Downloads: 0

Microsoft February 2023 Patch Tuesday https://isc.sans.edu/diary/Microsoft%20February%202023%20Patch%20Tuesday/29548 Adobe Patches https://helpx.adobe.com/security/security-bulletin.html Intel OpenBMC Vulnerabilities https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00737.html

ISC StormCast for Wednesday, February 15th, 2023

February 14, 2023 6:11 5.5 MB Downloads: 0

Microsoft February 2023 Patch Tuesday https://isc.sans.edu/diary/Microsoft%20February%202023%20Patch%20Tuesday/29548 Adobe Patches https://helpx.adobe.com/security/security-bulletin.html Intel OpenBMC Vulnerabilities https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00737.html