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PODCAST

SANS Internet Stormcenter Daily Cyber Security Podcast (Stormcast)

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 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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All Episodes

7:37

SANS Stormcast Tuesday, April 29th: SRUM-DUMP 3;...

SANS Internet Stormcenter Daily Cyber Security... ·

2025/04/29

SRUM-DUMP Version 3: Uncovering Malware Activity in Forensics Mark Baggett released SRUM-DUMP Version 3. The tool simplifies data extraction from Widnows System Resource Usage Monitor (SRUM). This database logs how much resources software used for 30 days, and is invaluable to find out what software was executed when and if it sent or received network data. https://isc.sans.edu/diary/SRUM-DUMP%20Version%203%3A%20Uncovering%20Malware%20Activity%20in%20Forensics/31896 Novel Universal Bypass For

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7:55

SANS Stormcast Monday, April 28th: Image...

SANS Internet Stormcenter Daily Cyber Security... ·

2025/04/28

Example of a Payload Delivered Through SteganographyXavier and Didier published two diaries this weekend, building on each other. First, Xavier showed an example of an image being used to smuggle an executable past network defenses, and second, Didier showed how to use his tools to extract the binary. https://isc.sans.edu/diary/Example%20of%20a%20Payload%20Delivered%20Through%20Steganography/31892 SAP Netweaver Exploited CVE-2025-31324 An arbitrary file upload vulnerability in SAP s Netweaver

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5:54

SANS Stormcast Wednesday Apr 16th: File Upload...

SANS Internet Stormcenter Daily Cyber Security... ·

2025/04/16

Online Services Again Abused to Exfiltrate DataAttackers like to abuse free online services that can be used to exfiltrate data. From the originals , like pastebin, to past favorites like anonfiles.com. The latest example is gofile.io. As a defender, it is important to track these services to detect exfiltration early https://isc.sans.edu/diary/Online%20Services%20Again%20Abused%20to%20Exfiltrate%20Data/31862 OpenSSH 10.0 Released OpenSSH 10.0 was released. This release adds quantum-safe

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5:35

SANS Stormcast Tuesday April 15th: xorsearch Update;...

SANS Internet Stormcenter Daily Cyber Security... ·

2025/04/15

xorsearch Update Diedier updated his "xorsearch" tool. It is now a python script, not a compiled binary, and supports Yara signatures. With Yara support also comes support for regular expressions. https://isc.sans.edu/diary/xorsearch.py%3A%20Searching%20With%20Regexes/31854 Shorter Lived Certificates The CA/Brower Forum passed an update to reduce the maximum livetime of certificates. The reduction will be implemented over the next four years. EFF also released an update to certbot introducing

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7:07

SANS Stormcast Monday April 14th: Langlow AI Attacks;...

SANS Internet Stormcenter Daily Cyber Security... ·

2025/04/14

Exploit Attempts for Recent Langflow AI Vulnerability (CVE-2025-3248) After spotting individaul attempts to exploit the recent Langflow vulnerability late last weeks, we now see more systematic internet wide scans attempting to verify the vulnerability. https://isc.sans.edu/forums/diary/Exploit+Attempts+for+Recent+Langflow+AI+Vulnerability+CVE20253248/31850/ Fortinet Analysis of Threat Actor Activity Fortinet oberved recent vulnerablities in its devices being used to add a symlink to ease future

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5:34

SANS Stormcast Friday April 11th: Network...

SANS Internet Stormcenter Daily Cyber Security... ·

2025/04/11

Network InfraxploitOur undergraduate intern, Matthew Gorman, wrote up a walk through of CVE-2018-0171, an older Cisco vulnerability, that is still actively being exploited. For example, VOLT TYPHOON recently exploited this problem. https://isc.sans.edu/diary/Network+Infraxploit+Guest+Diary/31844 Windows Update Issues / Windows 10 Update Microsoft updated its "Release Health" notes with details regarding issues users experiences with Windows Hello, Citrix, and Roblox. Microsoft also released

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6:18

SANS Stormcast Tuesday, April 8th:

SANS Internet Stormcenter Daily Cyber Security... ·

2025/04/08

XORsearch: Searching With RegexesDidier explains a workaround to use his tool XORsearch to search for regular expressions instead of simple strings. https://isc.sans.edu/diary/XORsearch%3A%20Searching%20With%20Regexes/31834 MCP Security Notification: Tool Poisoning Attacks Invariant labs summarized a critical weakness in the Model Context Protocol (MCP) that allows for "Tool Poisoning Attacks." Many major providers such as Anthropic and OpenAI, workflow automation systems like Zapier, and MCP

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9:23

SANS Stormcast Thursday Apr 3rd: Juniper Password...

SANS Internet Stormcenter Daily Cyber Security... ·

2025/04/03

Surge in Scans for Juniper t128 Default UserLasst week, we dedtect a significant surge in ssh scans for the username t128 . This user is used by Juniper s Session Smart Routing, a product they acquired from 128 Technologies which is the reason for the somewhat unusual username. https://isc.sans.edu/diary/Surge%20in%20Scans%20for%20Juniper%20%22t128%22%20Default%20User/31824 Vulnerable Verizon API Allowed for Access to Call Logs An API Verizon offered to users of its call filtering

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7:18

SANS Stormcast Wednesday Mar 19th 2025: Python DLL...

SANS Internet Stormcenter Daily Cyber Security... ·

2025/03/19

Python Bot Delivered Through DLL Side-LoadingA "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 must be selected by the victim. https://x.com/dkx02668274/status/1901893656316969308 SAML Roulette: The Hacker Always Wins This Portswigger blog

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7:03

SANS Stormcast Tuesday Mar 18th 2025: Analyzing GUID...

SANS Internet Stormcenter Daily Cyber Security... ·

2025/03/18

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 Authentication Bypass in xml-crypto and Node.js libraries xml-crypto, a library use in Node.js applications to decode XML and support SAML, has found to parse

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6:38

SANS Stormcast Monday March 17th: Mirai Makes...

SANS Internet Stormcenter Daily Cyber Security... ·

2025/03/17

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%20Router%20Exploits/31770 Compromised GitHub Action The popular GitHub action tj-actions/changed-files was compromised and leaks credentials via the

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6:07

SANS Stormcast: File Hashes in MSFT BI; Apache Camel...

SANS Internet Stormcenter Daily Cyber Security... ·

2025/03/14

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 two patches for Camel in close succession. Initially, the vulnerability was only addressed for headers, but as Akamai discovered, it can also be

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5:56

SANS Stormcast Thursday Mar 13th: Exploiting Login...

SANS Internet Stormcenter Daily Cyber Security... ·

2025/03/13

Log4J Scans for VMWare Hyhbrid Cloud ExtensionsAn 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%20Hybrid%20Cloud%20Extension%20%28HCX%29%20API%20(Log4j%20-%20not%20brute%20forcing)/31762 Patch Tuesday Fallout Yesterday's Apple patch may re-activate

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7:54

SANS Stormcast Wednesday Mar 12th: Microsoft Patch...

SANS Internet Stormcenter Daily Cyber Security... ·

2025/03/12

Microsoft Patch TuesdayMicrosoft 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, already exploited, vulnerability in WebKit. This vulnerability affects iOS, macOS and VisionOS. https://support.apple.com/en-us/100100 Expressif Response

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4:59

SANS Stormcast Tuesday Mar 11th: Shellcode as UUIDs;...

SANS Internet Stormcenter Daily Cyber Security... ·

2025/03/11

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 fronted authorizaation logic disclosure vulnerability. It now updated the advisory and included the PT series switches as vulenrable.

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6:45

SANS Stormcast: Webshells; Undocumented ESP32...

SANS Internet Stormcenter Daily Cyber Security... ·

2025/03/10

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 undocumented features in the commonly used ESP32 Chipsets. Tarlogic also released a toolkit to make it easier to audit chipsets and find these hiddent

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6:45

SANS Stormcast Thursday Mar 6th: DShield ELK...

SANS Internet Stormcenter Daily Cyber Security... ·

2025/03/06

DShield Traffic Analysis using ELKThe "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 take advantage of the recently patched AMD microcode

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6:11

SANS Stormcast Wednesday Mar 5th: SMTP Credential...

SANS Internet Stormcenter Daily Cyber Security... ·

2025/03/05

Romanian Distillery Scanning for SMTP CredentialsA 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-robber.py This update of mac-robber.py fixes issues with symlinks. https://isc.sans.edu/diary/Tool%20update%3A%20mac-robber.py/31738 CVE-2025-1723

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6:17

SANS Stormcast Tuesday Mar 4th: Mark of the Web...

SANS Internet Stormcenter Daily Cyber Security... ·

2025/03/04

Mark of the Web: Some Technical Details Windows implements the "Mark of the Web" (MotW) as an alternate data stream that contains not just the "zoneid" of where the file came from, but may include other data like the exact URL and referrer. https://isc.sans.edu/diary/Mark%20of%20the%20Web%3A%20Some%20Technical%20Details/31732 Havoc Sharepoint with Microsoft Graph API A recent phishing attack observed by Fortinet uses a simple HTML email to trick a user into copy pasting powershell into their

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14:27

SANS Stormcast Friday Feb 28th: Njrat devtunnels.ms;...

SANS Internet Stormcenter Daily Cyber Security... ·

2025/02/28

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 used for Apple FindMy to abuse it to track victims. Updates were released with iOS 18.2, but to solve the issue the vast majority of Apple users must

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2,117 results

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