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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 minutes 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 Storm Center. You may submit questions and comments via our contact form at https://isc.sans.edu/contact.html .
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Some New Data Feeds and Little Incident We started offering additional data feeds, and an SEO spamer attempted to make us change a link from an old podcast episode. https://isc.sans.edu/diary/Some%20new%20Data%20Feeds%2C%20and%20a%20little%20%22incident%22./31786 Veeam Deserialization Vulnerability Veeam released details regarding the latest vulner…
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SANS Stormcast Friday Mar 21st: New Data Feeds; SEO Spam; Veeam Deserialization; IBM AIX RCE; Some New Data Feeds and Little Incident We started offering additional data feeds, and an SEO spamer attempted to make us change a link from an old podcast episode. https://isc.sans.edu/diary/Some%20new%20Data%20Feeds%2C%20and%20a%20little%20%22incident%22…
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Exploit Attempts for Cisco Smart Licensing Utility CVE-2024-20439 CVE-2024-20440 Attackers added last September's Cisco Smart Licensing Utility vulnerability to their toolset. These attacks orginate most likely from botnets and the same attackers are scanning for a wide range of additional vulnerabilities. The vulnerability is a static credential i…
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SANS Stormcast Thursday Mar 20th: Cisco Smart Licensing Attacks; Vulnerable Drivers again; Synology Advisories Updated Exploit Attempts for Cisco Smart Licensing Utility CVE-2024-20439 CVE-2024-20440 Attackers added last September's Cisco Smart Licensing Utility vulnerability to their toolset. These attacks orginate most likely from botnets and the…
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Python Bot Delivered Through DLL Side-Loading A "normal", but vulnerable to DLL side-loading PDF reader may be used to launch additional exploit code https://isc.sans.edu/diary/Python%20Bot%20Delivered%20Through%20DLL%20Side-Loading/31778 Tomcat RCE Correction To exploit the Tomcat RCE I mentioned yesterday, two non-default configuration options mu…
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SANS Stormcast Wednesday Mar 19th 2025: Python DLL Side Loading; Tomcast RCE Correction; SAML Roulette; Windows Shortcut 0-Day Python Bot Delivered Through DLL Side-Loading A "normal", but vulnerable to DLL side-loading PDF reader may be used to launch additional exploit code https://isc.sans.edu/diary/Python%20Bot%20Delivered%20Through%20DLL%20Sid…
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Static Analysis of GUID Encoded Shellcode Didier explains how to decode shell code embeded as GUIDs in malware, and how to feed the result to his tool 1768.py which will extract Cobal Strike configuration information from the code. https://isc.sans.edu/diary/Static%20Analysis%20of%20GUID%20Encoded%20Shellcode/31774 SAMLStorm: Critical Authenticatio…
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SANS Stormcast Monday Mar 17th 2025: Analyzing GUID Encoded Shellcode; Node.js SAML Vuln; Tomcat RCE in the Wild; CSS e-mail obfuscation Static Analysis of GUID Encoded Shellcode Didier explains how to decode shell code embeded as GUIDs in malware, and how to feed the result to his tool 1768.py which will extract Cobal Strike configuration informat…
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Mirai Bot Now Incorporating Malformed DrayTek Vigor Router Exploits One of the many versions of the Mirai botnet added some new exploit strings attempting to take advantage of an old DrayTek Vigor Router vulnerability, but they got the URL wrong. https://isc.sans.edu/diary/Mirai%20Bot%20now%20incroporating%20%28malformed%3F%29%20DrayTek%20Vigor%20R…
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SANS Stormcast Monday March 17th: Mirai Makes Mistakes; Compromised Github Action; ruby-saml vulnerability; Fake GitHub Security Alert Phishing Mirai Bot Now Incorporating Malformed DrayTek Vigor Router Exploits One of the many versions of the Mirai botnet added some new exploit strings attempting to take advantage of an old DrayTek Vigor Router vu…
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File Hashes Analysis with Power BI Guy explains in this diary how to analyze Cowrie honeypot file hashes using Microsoft's BI tool and what you may be able to discover using this tool. https://isc.sans.edu/diary/File%20Hashes%20Analysis%20with%20Power%20BI%20from%20Data%20Stored%20in%20DShield%20SIEM/31764 Apache Camel Vulnerability Apache released…
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SANS Stormcast: File Hashes in MSFT BI; Apache Camel Vuln; Juniper Fixes Exploited Vuln; AMI Patches 10.0 Redfish BMC Vuln File Hashes Analysis with Power BI Guy explains in this diary how to analyze Cowrie honeypot file hashes using Microsoft's BI tool and what you may be able to discover using this tool. https://isc.sans.edu/diary/File%20Hashes%2…
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Log4J Scans for VMWare Hyhbrid Cloud Extensions An attacker is scanning various login pages, including the authentication feature in the VMWare HCX REST API for Log4j vulnerabilities. The attack submits the exploit string as username, hoping to trigger the vulnerability as Log4j logs the username https://isc.sans.edu/diary/Scans%20for%20VMWare%20Hy…
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SANS Stormcast Thursday Mar 13th: Exploiting Login Pages with Log4j; Patch Tuesday Fallout; Adobe Patches; Medusa Ransomware; Zoom and Font Library Updates; Log4J Scans for VMWare Hyhbrid Cloud Extensions An attacker is scanning various login pages, including the authentication feature in the VMWare HCX REST API for Log4j vulnerabilities. The attac…
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Microsoft Patch Tuesday Microsoft Patched six already exploited vulnerabilities today. In addition, the patches included a critical patch for Microsoft's DNS server and about 50 additional patches. https://isc.sans.edu/diary/Microsoft%20Patch%20Tuesday%3A%20March%202025/31756 Apple Updates iOS/macOS Apple released an update to address a single, alr…
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SANS Stormcast Wednesday Mar 12th: Microsoft Patch Tuesday; Apple Patch; Espressif ESP32 Statement Microsoft Patch Tuesday Microsoft Patched six already exploited vulnerabilities today. In addition, the patches included a critical patch for Microsoft's DNS server and about 50 additional patches. https://isc.sans.edu/diary/Microsoft%20Patch%20Tuesda…
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Shellcode Encoded in UUIDs Attackers are using UUIDs to encode Shellcode. The 128 Bit (or 16 Bytes) encoded in each UUID are converted to shell code to implement a cobalt strike beacon https://isc.sans.edu/diary/Shellcode%20Encoded%20in%20UUIDs/31752 Moxa CVE-2024-12297 Expanded to PT Switches Moxa in January first releast an update to address a fr…
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SANS Stormcast Tuesday Mar 11th: Shellcode as UUIDs; Moxe Switch Vuln Updates; Opentext Vuln; Livewire Volt Vuln; Shellcode Encoded in UUIDs Attackers are using UUIDs to encode Shellcode. The 128 Bit (or 16 Bytes) encoded in each UUID are converted to shell code to implement a cobalt strike beacon https://isc.sans.edu/diary/Shellcode%20Encoded%20in…
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Commonly Probed Webshell URLs Many attackers deploy web shells to gain a foothold on vulnerable web servers. These webshells can also be taken over by parasitic exploits. https://isc.sans.edu/diary/Commonly%20Probed%20Webshell%20URLs/31748 Undocumented ESP32 Commands A recent conference presentation by Tarlogic revealed several "backdoors" or undoc…
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SANS Stormcast: Webshells; Undocumented ESP32 Commands; Camera Used For Ransomware Distribution Commonly Probed Webshell URLs Many attackers deploy web shells to gain a foothold on vulnerable web servers. These webshells can also be taken over by parasitic exploits. https://isc.sans.edu/diary/Commonly%20Probed%20Webshell%20URLs/31748 Undocumented E…
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Latest Google Chrome Update Encourages UBlock Origin Removal The latest update to Google Chrome not only disabled the UBlock Origin ad blocker, but also guides users to uninstall the extension instead of re-enabling it. https://chromereleases.googleblog.com/2025/03/stable-channel-update-for-desktop.html https://www.reddit.com/r/youtube/comments/1j2…
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SANS Stormcast Friday Mar 7th: Chrome vs Extensions; Kibana Update; PrePw0n3d Android TV Sticks; Identifying APTs (@sans_edu, Eric LeBlanc) Latest Google Chrome Update Encourages UBlock Origin Removal The latest update to Google Chrome not only disabled the UBlock Origin ad blocker, but also guides users to uninstall the extension instead of re-ena…
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DShield Traffic Analysis using ELK The "DShield SIEM" includes an ELK dashboard as part of the Honeypot. Learn how to find traffic of interest with this tool. https://isc.sans.edu/diary/DShield%20Traffic%20Analysis%20using%20ELK/31742 Zen and the Art of Microcode Hacking Google released details, including a proof of concept exploit, showing how to …
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SANS Stormcast Thursday Mar 6th: DShield ELK Analysis; Jailbreaking AMD CPUs; VIM Vulnerability; Snail Mail Ransomware DShield Traffic Analysis using ELK The "DShield SIEM" includes an ELK dashboard as part of the Honeypot. Learn how to find traffic of interest with this tool. https://isc.sans.edu/diary/DShield%20Traffic%20Analysis%20using%20ELK/31…
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Romanian Distillery Scanning for SMTP Credentials A particular attacker expanded the scope of their leaked credential file scans. In addition to the usual ".env" style files, it is not looking for specific SMTP related credential files. https://isc.sans.edu/diary/Romanian%20Distillery%20Scanning%20for%20SMTP%20Credentials/31736 Tool Updates: mac-ro…
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