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PODCAST

SANS Internet Storm Center"s Daily Network Security News Podcast

Johannes B. Ullrich

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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All Episodes

08:19

SANS Stormcast Friday, September 5th, 2025:...

SANS Internet Storm Center"s Daily Network Security... ·

2025/09/04

SANS Stormcast Friday, September 5th, 2025: Cloudflare Response to 1.1.1.1 Certificate; AI Modem Namespace Reuse; macOS Vulnerability Allowed Keychain Decryption Unauthorized Issuance of Certificate for 1.1.1.1 Cloudflare published a blog post with more details regarding the bad 1.1.1.1 certificate that was issued by Fina. https://blog.cloudflare.com/unauthorized-issuance-of-certificates-for-1-1-1-1/ AI Model Namespace Reuse Deleted accounts on Huggingface can be taken over by other entities

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06:22

SANS Stormcast Thursday, September 4th, 2025:...

SANS Internet Storm Center"s Daily Network Security... ·

2025/09/03

SANS Stormcast Thursday, September 4th, 2025: Dassault DELMIA Apriso Exploit Attempts; Android Updates; 1.1.1.1 Certificate Issued Exploit Attempts for Dassault DELMIA Apriso. CVE-2025-5086 Our honeypots detected attacks against the manufacturing management system DELMIA Apriso. The deserialization vulnerability was patched in June and is one of a few critical vulnerabilities patched in recent months.

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05:30

SANS Stormcast Wednesday, September 3rd, 2025:...

SANS Internet Storm Center"s Daily Network Security... ·

2025/09/02

SANS Stormcast Wednesday, September 3rd, 2025: Sextortiion Analysis; Covert Channel DNS/ICMP; Azure AD Secret Theft; Official FreePBX Patches A Quick Look at Sextortion at Scale Jan analyzed 1900 different sextortion messages using 205 different Bitcoin addresses to look at the success rate, lifetime, and other metrics defining these campaigns.

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05:39

SANS Stormcast Tuesday, September 2nd, 2025:...

SANS Internet Storm Center"s Daily Network Security... ·

2025/09/01

SANS Stormcast Tuesday, September 2nd, 2025: pdf-parser Patch; Salesloft Compromise; Velociraptor Abuse; NeuVector Default Password pdf-parser: All Streams Didier released a new version of pdf-parser.py. This version fixes a problem with dumping all filtered streams. https://isc.sans.edu/diary/pdf-parser%3A%20All%20Streams/32248 Salesloft Drift Putting OAuth Tokens at Risk OAuth tokens used by Salesloft Drift users to provide access to integrations with Salesforce, Google Workspace, and others have

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05:46

SANS Stormcast Friday, August 29th, 2025: Scans for...

SANS Internet Storm Center"s Daily Network Security... ·

2025/08/28

SANS Stormcast Friday, August 29th, 2025: Scans for ZIP Files; FreePBX 0-Day; Passwordstate Patch Increasing Searches for ZIP Files Attackers are scanning our honeypots more and more for .zip files. They are looking for backups of credential files and the like left behind by careless administrators and developers. https://isc.sans.edu/diary/Increasing%20Searches%20for%20ZIP%20Files/32242 FreePBX Vulnerability An upatched vulnerability in FreePBX is currently being exploited. FreePBX offers

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06:39

SANS Stormcast Thursday, August 28th, 2025: Launching...

SANS Internet Storm Center"s Daily Network Security... ·

2025/08/28

SANS Stormcast Thursday, August 28th, 2025: Launching Shellcode; NX Compromise; Volt Typhoon Report Interesting Technique to Launch a Shellcode Xavier came across malware that PowerShell and the CallWindowProcA() API to launch code. https://isc.sans.edu/diary/Interesting%20Technique%20to%20Launch%20a%20Shellcode/32238 NX Compromised to Steal Wallets and Credentials The popular open source NX build package was compromised. Code was added that uses the help of AI tools like Claude and Gemini to steal

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05:43

SANS Stormcast Wednesday, August 27th, 2025:...

SANS Internet Storm Center"s Daily Network Security... ·

2025/08/26

SANS Stormcast Wednesday, August 27th, 2025: Analyzing IDNs; Netscaler 0-Day Vuln; Git Vuln Exploited; Getting a Better Handle on International Domain Names and Punycode International Domain names can be used for phishing and other attacks. One way to identify suspect names is to look for mixed script use. https://isc.sans.edu/diary/Getting%20a%20Better%20Handle%20on%20International%20Domain%20Names%20and%20Punycode/32234 Citrix Netscaler Vulnerabilities CVE-2025-7775, CVE-2025-7776 and

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05:01

SANS Stormcast Tuesday, August 26th, 2025: Decoding...

SANS Internet Storm Center"s Daily Network Security... ·

2025/08/25

SANS Stormcast Tuesday, August 26th, 2025: Decoding Word Reading Location; Image Downscaling AI Vulnerability; IBM Jazz Team Server Vuln Reading Location Position Value in Microsoft Word Documents Jessy investigated how Word documents store the last visited document location in the registry. https://isc.sans.edu/diary/Reading%20Location%20Position%20Value%20in%20Microsoft%20Word%20Documents/32224 Weaponizing image scaling against production AI systems AI systems often downscale images before

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06:04

SANS Stormcast Monday, August 25th, 2025: IP Cleanup;...

SANS Internet Storm Center"s Daily Network Security... ·

2025/08/24

SANS Stormcast Monday, August 25th, 2025: IP Cleanup; Linux Desktop Attacks; Malicious Go SSH Brute Forcer; Onmicrosoft Domain Restrictions The end of an era: Properly formatted IP addresses in all of our data. When initiall designing DShield, addresses were “zero padded”, an unfortunate choice. As of this week, datafeeds should no longer be “zero padded”. https://isc.sans.edu/diary/The%20end%20of%20an%20era%3A%20Properly%20formated%20IP%20addresses%20in%20all%20of%20our%20data./32228 .desktop files

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06:52

SANS Stormcast Friday, August 22nd, 2025: The -n...

SANS Internet Storm Center"s Daily Network Security... ·

2025/08/22

SANS Stormcast Friday, August 22nd, 2025: The -n switch; Commvault Exploit; Docker Desktop Escape Vuln; Don't Forget The "-n" Command Line Switch Disabling reverse DNS lookups for IP addresses is important not just for performance, but also for opsec. Xavier is explaining some of the risks. https://isc.sans.edu/diary/Don%27t%20Forget%20The%20%22-n%22%20Command%20Line%20Switch/32220 watchTowr releases details about recent Commvault flaws Users of the Commvault enterprise backup solution must patch

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06:52

SANS Stormcast Thursday, August 21st, 2025: Airtel...

SANS Internet Storm Center"s Daily Network Security... ·

2025/08/21

SANS Stormcast Thursday, August 21st, 2025: Airtel Scans; Apple Patch; Microsoft Copilot Audit Log Issue; Password Manager Clickjacking Airtel Router Scans and Mislabeled Usernames A quick summary of some odd usernames that show up in our honeypot logs https://isc.sans.edu/diary/Airtel%20Router%20Scans%2C%20and%20Mislabeled%20usernames/32216 Apple Patches 0-Day CVE-2025-43300 Apple released an update for iOS, iPadOS and MacOS today patching a single, already exploited, vulnerability in ImageIO

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06:08

SANS Stormcast Wednesday, August 20th, 2025:...

SANS Internet Storm Center"s Daily Network Security... ·

2025/08/20

SANS Stormcast Wednesday, August 20th, 2025: Increased Elasticsearch Scans; MSFT Patch Issues Increased Elasticsearch Recognizance Scans Our honeypots noted an increase in reconnaissance scans for Elasticsearch. In particular, the endpoint /_cluster/settings is hit hard. https://isc.sans.edu/diary/Increased%20Elasticsearch%20Recognizance%20Scans/32212 Microsoft Patch Tuesday Issues Microsoft noted some issues deploying the most recent patches with WSUS. There are also issues with certain SSDs if

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05:11

SANS Stormcast Tuesday, August 19th, 2025: MFA...

SANS Internet Storm Center"s Daily Network Security... ·

2025/08/19

SANS Stormcast Tuesday, August 19th, 2025: MFA Bombing; Cisco Firewall Management Vuln; F5 Access for Android Vuln; Keeping an Eye on MFA Bombing Attacks Attackers will attempt to use authentication fatigue by “bombing” users with MFA authentication requests. Rob is talking in this diary about how to investigate these attacks in a Microsoft ecosystem. https://isc.sans.edu/diary/Keeping+an+Eye+on+MFABombing+Attacks/32208 Critical Cisco Secure Firewall Management Center Software RADIUS Remote Code

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05:43

SANS Stormcast Monday, August 18th, 2025: 5G Attack...

SANS Internet Storm Center"s Daily Network Security... ·

2025/08/17

SANS Stormcast Monday, August 18th, 2025: 5G Attack Framework; Plex Vulnerability; Fortiweb Exploit; Flowise Vuln SNI5GECT: Sniffing and Injecting 5G Traffic Without Rogue Base Stations Researchers from the Singapore University of Technology and Design released a new framework, SNI5GECT, to passively sniff and inject traffic into 5G data streams, leading to DoS, downgrade and other attacks.

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15:12

SANS Stormcast Friday, August 15th, 2025: Analysing...

SANS Internet Storm Center"s Daily Network Security... ·

2025/08/14

SANS Stormcast Friday, August 15th, 2025: Analysing Attack with AI; Proxyware via YouTube; Xerox FreeFlow Vuln; Evaluating Zero Trust @SANS_edu AI and Faster Attack Analysis A few use cases for LLMs to speed up analysis https://isc.sans.edu/diary/AI%20and%20Faster%20Attack%20Analysis%20%5BGuest%20Diary%5D/32198 Proxyware Malware Being Distributed on YouTube Video Download Site Popular YouTube download sites will attempt to infect users with proxyware. https://asec.ahnlab.com/en/89574/ Xerox Freeflow

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07:16

SANS Stormcast Thursday, August 14th, 2025: Equation...

SANS Internet Storm Center"s Daily Network Security... ·

2025/08/14

SANS Stormcast Thursday, August 14th, 2025: Equation Editor; Kerberos Patch; XZ-Utils Backdoor; ForitSIEM/FortiWeb patches CVE-2017-11882 Will Never Die The (very) old equation editor vulnerability is still being exploited, as this recent sample analyzed by Xavier shows. The payload of the Excel file attempts to download and execute an infostealer to exfiltrate passwords via email. https://isc.sans.edu/diary/CVE-2017-11882%20Will%20Never%20Die/32196 Windows Kerberos Elevation of Privilege

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08:55

SANS Stormcast Wednesday, August 13th, 2025:...

SANS Internet Storm Center"s Daily Network Security... ·

2025/08/12

SANS Stormcast Wednesday, August 13th, 2025: Microsoft Patch Tuesday; libarchive vulnerability upgrade; Adobe Patches Microsoft Patch Tuesday https://isc.sans.edu/diary/Microsoft%20August%202025%20Patch%20Tuesday/32192 https://cymulate.com/blog/zero-click-one-ntlm-microsoft-security-patch-bypass-cve-2025-50154/ libarchive Vulnerability A libarchive vulnerability patched in June was upgraded from a low CVSS score to a critical one. Libarchive is used by compression software across various operating

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06:52

SANS Stormcast Tuesday, August 12th, 2025: Erlang OTP...

SANS Internet Storm Center"s Daily Network Security... ·

2025/08/11

SANS Stormcast Tuesday, August 12th, 2025: Erlang OTP SSH Exploits (Palo Alto Networks); Winrar Exploits; Netscaler Exploits; OpenSSH Pushing PQ Crypto; Erlang OTP SSH Exploits A recently patched and easily exploited vulnerability in Erlang/OTP SSH is being exploited. Palo Alto collected some of the details about this exploit activity that they observed. https://unit42.paloaltonetworks.com/erlang-otp-cve-2025-32433/ WinRAR Exploited WinRAR vulnerabilities are actively being exploited by a number of

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07:07

SANS Stormcast Monday, August 11th, 2025: Fake Tesla...

SANS Internet Storm Center"s Daily Network Security... ·

2025/08/10

SANS Stormcast Monday, August 11th, 2025: Fake Tesla Preorders; Bad USB Cameras; Win-DoS Epidemic Google Paid Ads for Fake Tesla Websites Someone is setting up fake Tesla lookalike websites that attempt to collect credit card data from unsuspecting users trying to preorder Tesla products. https://isc.sans.edu/diary/Google%20Paid%20Ads%20for%20Fake%20Tesla%20Websites/32186 Compromising USB Devices for Persistent Stealthy Access USB devices, like Linux-based web cams, can be compromised to emulate

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23:59

SANS Stormcast Friday, August 8th, 2025:: ASN43350...

SANS Internet Storm Center"s Daily Network Security... ·

2025/08/07

SANS Stormcast Friday, August 8th, 2025:: ASN43350 Mass Scans; HTTP1.1 Must Die; Hyprid Exchange Vuln; Sonicwall Update; SANS.edu Research: OSS Security and Shifting Left Mass Internet Scanning from ASN 43350 Our undergraduate intern Duncan Woosley wrote up aggressive scans from ASN 43350 https://isc.sans.edu/diary/Mass+Internet+Scanning+from+ASN+43350+Guest+Diary/32180/#comments HTTP/1.1 Desync Attacks Portswigger released details about new types of HTTP/1.1 desync attacks it uncovered. These

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