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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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Njrat Compaign Using Microsoft dev Tunnels: A recent version of the Njrat remote admin tool is taking advantage of Microsoft's developer tunnels (devtunnels.ms) as a command and control channel. https://isc.sans.edu/diary/Njrat%20Campaign%20Using%20Microsoft%20Dev%20Tunnels/31724 NrootTag Apple FindMy Abuse Malware could use a weakness in the keys …
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SANS Stormcast Friday Feb 28th: Njrat devtunnels.ms; Apple FindMe Abuse; XSS Exploited; @sans_edu Ben Powell EDR vs. Ransomware Njrat Compaign Using Microsoft dev Tunnels: A recent version of the Njrat remote admin tool is taking advantage of Microsoft's developer tunnels (devtunnels.ms) as a command and control channel. https://isc.sans.edu/diary/…
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Attacker of of Ephemeral Ports Attackers often use ephermeral ports to reach out to download additional resources or exfiltrate data. This can be used, with care, to detect possible compromises. https://isc.sans.edu/diary/%5BGuest%20Diary%5D%20Malware%20Source%20Servers%3A%20The%20Threat%20of%20Attackers%20Using%20Ephemeral%20Ports%20as%20Service%2…
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SANS Stormcast Thursday Feb 27th: High Exfil Ports; Malicious VS Code Theme; Developer Workstation Safety; NAKIVO PoC; OpenH264 and rsync vuln; Attacker of of Ephemeral Ports Attackers often use ephermeral ports to reach out to download additional resources or exfiltrate data. This can be used, with care, to detect possible compromises. https://isc…
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Massive Botnet Targets M365 with Password Spraying A large botnet is targeting service accounts in M365 with credentials stolen by infostealer malware. https://securityscorecard.com/wp-content/uploads/2025/02/MassiveBotnet-Report_022125_03.pdf Mixing up Public and Private Keys in OpenID The complex OpenID specificiation and the flexibility it suppo…
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SANS Stormcast Wednesday Feb 26th: M365 Infostealer Botnet; Mixing OpenID Keys; Malicious Medical Image Apps Massive Botnet Targets M365 with Password Spraying A large botnet is targeting service accounts in M365 with credentials stolen by infostealer malware. https://securityscorecard.com/wp-content/uploads/2025/02/MassiveBotnet-Report_022125_03.p…
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Unfurl Update Released Unfurl released an Update fixing a few bugs and adding support to decode BlueSky URLs. https://isc.sans.edu/diary/Unfurl%20v2025.02%20released/31716 Google Confirms GMail To Ditch SMS Code Authentication Google no longer considers SMS authentication save enough for GMail. Instead, it pushes users to use Passkeys, or QR code b…
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SANS Stormcast Tuesday Feb 25th: Unfurl Updates; Google Ditches SMS; Paypal Phish; Exim, libXML, Parallels Vuln Unfurl Update Released Unfurl released an Update fixing a few bugs and adding support to decode BlueSky URLs. https://isc.sans.edu/diary/Unfurl%20v2025.02%20released/31716 Google Confirms GMail To Ditch SMS Code Authentication Google no l…
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Tool Update: Sigs.py Jim updates sigs.py. The tool verifies hashes for files and automatically recognizes what hash is used. https://isc.sans.edu/diary/Tool%20update%3A%20sigs.py%20-%20added%20check%20mode/31706 Google Announcing Quantum Safe Digital Signatures in Cloud KMS Google announced the option to use quantum safe digital signatures for its …
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SANS Stormcast Monday Feb 24th: sigs.py update; Google Introdusing Quantum Safe Sigs; MSFT Update Win 11 issues; LTE/5G Vulns; Tool Update: Sigs.py Jim updates sigs.py. The tool verifies hashes for files and automatically recognizes what hash is used. https://isc.sans.edu/diary/Tool%20update%3A%20sigs.py%20-%20added%20check%20mode/31706 Google Anno…
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Using ES|QL In Kibana to Query DShield Honeypot Logs Using the "Elastic Search Piped Query Language" to query DShield honeypot logs https://isc.sans.edu/diary/Using%20ES%7CQL%20in%20Kibana%20to%20Queries%20DShield%20Honeypot%20Logs/31704 Mongoose Flaws Put MongoDB at risk The Object Direct Mapping library Mongoose suffers from an injection vulnerab…
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SANS Stormcast Friday Feb 21st: Kibana Queries; Mongoose Injection; U-Boot Flaws; Unifi Protect Camera Vulnerabilities; Protecting Network Devices as Endpoint (Austin Clark @sans_edu) Using ES|QL In Kibana to Query DShield Honeypot Logs Using the "Elastic Search Piped Query Language" to query DShield honeypot logs https://isc.sans.edu/diary/Using%2…
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XWorm Cocktail: A Mix of PE data with PowerShell Code Quick analysis of an interesting XWrom sample with powershell code embedded inside an executable https://isc.sans.edu/diary/XWorm+Cocktail+A+Mix+of+PE+data+with+PowerShell+Code/31700 Microsoft's Majorana 1 Chip Carves New Path for Quantum Computing Microsoft announced a breack through in Quantum…
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SANS Stormcast Wednesday Feb 20th: XWorm Cocktail; Quantum Computing Breakthrough; Signal Phishing XWorm Cocktail: A Mix of PE data with PowerShell Code Quick analysis of an interesting XWrom sample with powershell code embedded inside an executable https://isc.sans.edu/diary/XWorm+Cocktail+A+Mix+of+PE+data+with+PowerShell+Code/31700 Microsoft's Ma…
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ModelScan: Protection Against Model Serialization Attacks ModelScan is a tool to inspect AI models for deserialization attacks. The tool will detect suspect commands and warn the user. https://isc.sans.edu/diary/ModelScan%20-%20Protection%20Against%20Model%20Serialization%20Attacks/31692 OpenSSH MitM and DoS Vulnerabilities OpenSSH Patched two vuln…
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SANS Stormcast Tuesday Feb 19th: ModelScan AI Model Security; OpenSSH Vuln; Juniper Patches; Dell BIOS Vulnerability ModelScan: Protection Against Model Serialization Attacks ModelScan is a tool to inspect AI models for deserialization attacks. The tool will detect suspect commands and warn the user. https://isc.sans.edu/diary/ModelScan%20-%20Prote…
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My Very Personal Guidance and Strategies to Protect Network Edge Devices A quick summary to help you secure edge devices. This may be a bit opinionated, but these are the strategies that I find work and are actionable. https://isc.sans.edu/diary/My%20Very%20Personal%20Guidance%20and%20Strategies%20to%20Protect%20Network%20Edge%20Devices/31660 Postg…
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SANS Stormcast: Securing the Edge; PostgreSQL Exploit; Ivanti Exploit; WinZip Vulnerablity; Xerox Patch My Very Personal Guidance and Strategies to Protect Network Edge Devices A quick summary to help you secure edge devices. This may be a bit opinionated, but these are the strategies that I find work and are actionable. https://isc.sans.edu/diary/…
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Fake BSOD Delivered by Malicious Python Script Xavier found an odd malicious Python script that displays a blue screen of death to users. The purpose isn't quite clear. It could be a teach support scam tricking users into calling the 800 number displayed, or a simple anti-reversing trick https://isc.sans.edu/diary/Fake%20BSOD%20Delivered%20by%20Mal…
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SANS Stormcast Monday Feb 17th: Fake BSOD; Volatile IPs; Postgresql libpq SQL Injection; OAUTH Phishing Fake BSOD Delivered by Malicious Python Script Xavier found an odd malicious Python script that displays a blue screen of death to users. The purpose isn't quite clear. It could be a teach support scam tricking users into calling the 800 number d…
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DShield SIEM Docker Updates Interested in learning more about the attacks hitting your honeypot? Guy assembled a neat SIEM to create dashboards summarizing the attacks. https://isc.sans.edu/diary/DShield%20SIEM%20Docker%20Updates/31680 PANOS Path Confusion Auth Bypass Palo Alto Networks fixed a path confusion vulnerability introduced by the overly …
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SANS Stormcast Feb 14th 2025: DShield Honeypot SIEM; PAN OS Auth Bypass; Salt Typhone vs. Cisco; Crowdstrike Patch DShield SIEM Docker Updates Interested in learning more about the attacks hitting your honeypot? Guy assembled a neat SIEM to create dashboards summarizing the attacks. https://isc.sans.edu/diary/DShield%20SIEM%20Docker%20Updates/31680…
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An Ontology for Threats: Cybercrime and Digital Forensic Investigation on Smart City Infrastructure Smart cities is a big topic for many local governments. With building these complex systems, attacks will follow. https://isc.sans.edu/diary/An%20ontology%20for%20threats%2C%20cybercrime%20and%20digital%20forensic%20investigation%20on%20Smart%20City%…
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SANS Stormcast Feb 13th 2025: Smart City Threats; Advanced Social Engineering Attacks; Wazuh Vulnerability; PAM Vulnerability; Ivanti Patches An Ontology for Threats: Cybercrime and Digital Forensic Investigation on Smart City Infrastructure Smart cities is a big topic for many local governments. With building these complex systems, attacks will fo…
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Microsoft Patch Tuesday Microsoft released patches for 55 vulnerabilities. Three of them are actagorized as critical, two are already exploited and another two have been publicly disclosed. The LDAP server vulnerability could become a huge deal, but it is not clear if an exploit will appear. https://isc.sans.edu/diary/Microsoft%20February%202025%20…
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