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 .
ISC StormCast for Wednesday, November 15th, 2023
Microsoft Patches https://isc.sans.edu/diary/Microsoft%20Patch%20Tuesday%20November%202023/30400 Adobe Updates https://helpx.adobe.com/security/security-bulletin.html Intel CPU Glitch State Patch https://lock.cmpxchg8b.com/reptar.html https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00950.html
ISC StormCast for Tuesday, November 14th, 2023
Noticing command control channels by reviewing DNS protocols https://isc.sans.edu/diary/Noticing%20command%20and%20control%20channels%20by%20reviewing%20DNS%20protocols/30396 Passive SSH Key Compromise via Lattices https://eprint.iacr.org/2023/1711.pdf Juniper Vulnerabilities Exploited https://supportportal.juniper.net/s/article/2023-08-Out-of-Cycle-Security-Bulletin-Junos-OS-SRX-Series-and-EX-Series-Multiple-vulnerabilities-in-J-Web-can-be-combined-to-allow-a-preAuth-Remote-Code-Execution?language=en_US
ISC StormCast for Monday, November 13th, 2023
Routers Targeted for Gafgyt Botnet https://isc.sans.edu/forums/diary/Routers%20Targeted%20for%20Gafgyt%20Botnet%20%5BGuest%20Diary%5D/30390/ ScreenConnect used to Attack Healthcare https://www.huntress.com/blog/third-party-pharmaceutical-vendor-linked-to-pharmacy-and-health-clinic-cyberattack Fake Skills Assessment Portals Associated with Sapphire Sleet https://twitter.com/MsftSecIntel/status/1722316019920728437 OpenVPN Access Server Vulnerabilities https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/
ISC StormCast for Friday, November 10th, 2023
Visual Examples of Code Injection https://isc.sans.edu/diary/Visual%20Examples%20of%20Code%20Injection/30388 SysAid Exploited by Cl0p Ransomware (CVE-2023-47246) https://www.sysaid.com/blog/service-desk/on-premise-software-security-vulnerability-notification WS_FTP Server Update CVE-2023-42659 https://community.progress.com/s/article/WS-FTP-Server-Service-Pack-November-2023 Malvertiser copies PC news site to delivery infostealer https://www.malwarebytes.com/blog/threat-intelligence/2023/11/malvertiser-copies-pc-news-site-to-deliver-infostealer pyArrow/Apache Arrow Vulnerability https://lists.apache.org/thread/yhy7tdfjf9hrl9vfrtzo8p2cyjq87v7n
ISC StormCast for Thursday, November 9th, 2023
Example of a Phishing Campaing Project File https://isc.sans.edu/diary/Example%20of%20Phishing%20Campaign%20Project%20File/30384 Cryptomining with Microsoft Azure Automation Services https://www.safebreach.com/blog/cryptocurrency-miner-microsoft-azure Windows 11 Insider Changing Firewall Behaviour https://blogs.windows.com/windows-insider/2023/11/08/announcing-windows-11-insider-preview-build-25992-canary-channel/ CISA Adds SLP Vulnerability to Known Exploited Vulnerabilty List https://www.cisa.gov/news-events/alerts/2023/11/08/cisa-adds-one-known-exploited-vulnerability-catalog
ISC StormCast for Wednesday, November 8th, 2023
What's Normal: New uses of DNS, Discovery of Designated Resolvers (DDR) https://isc.sans.edu/diary/What%27s%20Normal%3A%20New%20uses%20of%20DNS%2C%20Discovery%20of%20Designated%20Resolvers%20%28DDR%29/30380 BlueNoroff macOS Malware https://www.jamf.com/blog/bluenoroff-strikes-again-with-new-macos-malware/ Emphasizing Security by Default wiht Advanced Microsoft Authenticator Features https://techcommunity.microsoft.com/t5/microsoft-entra-azure-ad-blog/emphasizing-security-by-default-with-advanced-microsoft/ba-p/3773130
ISC StormCast for Tuesday, November 7th, 2023
Confluence CVe-2023-22518 Exploited https://isc.sans.edu/diary/Exploit%20Activity%20for%20CVE-2023-22518%2C%20Atlassian%20Confluence%20Data%20Center%20and%20Server/30376 Google Threat Horizons Report https://services.google.com/fh/files/blogs/gcat_threathorizons_full_oct2023.pdf https://www.sans.edu/cyber-research/bookmark-bruggling-novel-data-exfiltration-with-brugglemark/ Veeam Update https://www.veeam.com/kb4508 QNAP Update https://www.qnap.com/de-de/security-advisory/qsa-23-35
ISC StormCast for Monday, November 6th, 2023
New Microsoft Exchange Zero Days https://www.bleepingcomputer.com/news/microsoft/new-microsoft-exchange-zero-days-allow-rce-data-theft-attacks/ StripedFly: Perennially Flying under the Radar https://securelist.com/stripedfly-perennially-flying-under-the-radar/110903/ Send My: Sending Data over Apple's Find My Network https://github.com/positive-security/send-my
ISC StormCast for Monday, November 6th, 2023
New Microsoft Exchange Zero Days https://www.bleepingcomputer.com/news/microsoft/new-microsoft-exchange-zero-days-allow-rce-data-theft-attacks/ StripedFly: Perennially Flying under the Radar https://securelist.com/stripedfly-perennially-flying-under-the-radar/110903/ Send My: Sending Data over Apple's Find My Network https://github.com/positive-security/send-my
ISC StormCast for Friday, November 3rd, 2023
Quick Tip for Artificially Inflated PE Files https://isc.sans.edu/diary/Quick%20Tip%20For%20Artificially%20Inflated%20PE%20Files/30370 Apache ActiveMQ Flaw Exploited https://activemq.apache.org/security-advisories.data/CVE-2023-46604-announcement.txt https://www.rapid7.com/blog/post/2023/11/01/etr-suspected-exploitation-of-apache-activemq-cve-2023-46604/ Critical Firepower Vulnerability https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-cmd-inj-29MP49hN Dozens of npm Packages Caught Attempting to Deploy Reverse Shell https://blog.phylum.io/dozens-of-npm-packages-caught-attempting-to-deploy-reverse-shell/
ISC StormCast for Friday, November 3rd, 2023
Quick Tip for Artificially Inflated PE Files https://isc.sans.edu/diary/Quick%20Tip%20For%20Artificially%20Inflated%20PE%20Files/30370 Apache ActiveMQ Flaw Exploited https://activemq.apache.org/security-advisories.data/CVE-2023-46604-announcement.txt https://www.rapid7.com/blog/post/2023/11/01/etr-suspected-exploitation-of-apache-activemq-cve-2023-46604/ Critical Firepower Vulnerability https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-cmd-inj-29MP49hN Dozens of npm Packages Caught Attempting to Deploy Reverse Shell https://blog.phylum.io/dozens-of-npm-packages-caught-attempting-to-deploy-reverse-shell/
ISC StormCast for Thursday, November 2nd, 2023
Malware Dropped Through a ZPAQ Archive https://isc.sans.edu/forums/diary/Malware%20Dropped%20Through%20a%20ZPAQ%20Archive/30366/ CVSS 4.0 Now Official https://www.first.org/cvss/v4-0/index.html MOZI Botnet Killswitch https://www.welivesecurity.com/en/eset-research/who-killed-mozi-finally-putting-the-iot-zombie-botnet-in-its-grave/ URL Shorteners in .us https://securityonline.info/infoblox-uncovers-malicious-wave-in-us-domain-registrations/ Impersonating Slack Users https://falconspy.org/redteam/tradecraft/2023/10/05/2023-10-05-Slack-Impersonation.html
ISC StormCast for Thursday, November 2nd, 2023
Malware Dropped Through a ZPAQ Archive https://isc.sans.edu/forums/diary/Malware%20Dropped%20Through%20a%20ZPAQ%20Archive/30366/ CVSS 4.0 Now Official https://www.first.org/cvss/v4-0/index.html MOZI Botnet Killswitch https://www.welivesecurity.com/en/eset-research/who-killed-mozi-finally-putting-the-iot-zombie-botnet-in-its-grave/ URL Shorteners in .us https://securityonline.info/infoblox-uncovers-malicious-wave-in-us-domain-registrations/ Impersonating Slack Users https://falconspy.org/redteam/tradecraft/2023/10/05/2023-10-05-Slack-Impersonation.html
ISC StormCast for Wednesday, November 1st, 2023
Multiple Layers of Anti-Sandboxing Techniques https://isc.sans.edu/diary/Multiple%20Layers%20of%20Anti-Sandboxing%20Techniques/30362 CVE-2023-22518 Improper Authorization Vulnerability in Confluence Data Center and Server https://confluence.atlassian.com/security/cve-2023-22518-improper-authorization-vulnerability-in-confluence-data-center-and-server-1311473907.html Malvertisement Promotes Malicious PyCharm Version https://www.malwarebytes.com/blog/threat-intelligence/2023/10/malvertising-via-dynamic-search-ads-delivers-malware-bonanza Thorn SFTP Gateway Java Deserialization RCE CVE-2016-1000027 CVE-2023-47174 https://help.thorntech.com/docs/sftp-gateway-gcp-3.0/gcp-java-deserialization-rce/
ISC StormCast for Wednesday, November 1st, 2023
Multiple Layers of Anti-Sandboxing Techniques https://isc.sans.edu/diary/Multiple%20Layers%20of%20Anti-Sandboxing%20Techniques/30362 CVE-2023-22518 Improper Authorization Vulnerability in Confluence Data Center and Server https://confluence.atlassian.com/security/cve-2023-22518-improper-authorization-vulnerability-in-confluence-data-center-and-server-1311473907.html Malvertisement Promotes Malicious PyCharm Version https://www.malwarebytes.com/blog/threat-intelligence/2023/10/malvertising-via-dynamic-search-ads-delivers-malware-bonanza Thorn SFTP Gateway Java Deserialization RCE CVE-2016-1000027 CVE-2023-47174 https://help.thorntech.com/docs/sftp-gateway-gcp-3.0/gcp-java-deserialization-rce/