SANS Internet Storm Center's Daily Network Security News Podcast

SANS Stormcast Thursday, May 15th: Google Open Redirects; Adobe, Ivanti, and Samsung patches Another day, another phishing campaign abusing google.com open redirects Google's links from it's maps page to hotel listings do suffer from an open redirect vulnerability that is actively exploited to direct users to phishing pages. https://isc.sans.edu/diary/Another%20day%2C%20another%20phishing%20campai...

SANS Stormcast Wednesday, May 14th: Microsoft Patch Tuesday; 0-Days patched for Ivanti Endpoint Manager and Fortinet Products Microsoft Patch Tuesday Microsoft patched 70-78 vulnerabilities (depending on how you count them). Five of these vulnerabilities are already being exploited. In particular, a remote code execution vulnerability in the scripting engine should be taken seriously. It requires...

SANS Stormcast Tuesday, May 12th: Apple Patches; Unipi Technologies Scans; Apple Updates Everything Apple patched all of its operating systems. This update ports a patch for a recently exploited vulnerability to older versions of iOS and macOS. https://isc.sans.edu/diary/31942 It Is 2025, And We Are Still Dealing With Default IoT Passwords And Stupid 2013 Router Vulnerabilities Versions of the Mir...

SANS Stormcast Monday, May 11th: Steganography Challenge; End-of-Life Routers; ASUS Driverhub; RV-Tools SEO Poisoning Steganography Challenge Didier revealed the solution to last weekend's cryptography challenge. The image used the same encoding scheme as Didier described before, but the columns and rows were transposed. https://isc.sans.edu/forums/diary/Steganography%20Challenge%3A%20My%20Solutio...

SANS Stormcast Friday, May 9th: SSH Exfil Tricks; magicINFO still vulnerable; SentinelOne Vulnerability; Commvault insufficient patch No Internet Access: SSH to the Rescue If faced with restrictive outbound network access policies, a single inbound SSH connection can quickly be turned into a tunnel or a full-blown VPN https://isc.sans.edu/diary/No%20Internet%20Access%3F%20SSH%20to%20the%20Rescue!/...

SANS Stormcast Thursday, May 8th: Modular Malware; Sysaid Vuln; Cisco Wireless Controller Patch; Unifi Protect Camera Patch Example of Modular Malware Xavier analyzes modular malware that downloads DLLs from GitHub if specific features are required. In particular, the webcam module is inspected in detail. https://isc.sans.edu/diary/Example%20of%20%22Modular%22%20Malware/31928 Sysaid XXE Vulnerabil...

SANS Stormcast Wednesday, May 7th: Infostealer with Webserver; Android Update; CISA Warning Python InfoStealer with Embedded Phishing Webserver Didier found an interesting infostealer that, in addition to implementing typical infostealer functionality, includes a web server suitable to create local phishing sites. https://isc.sans.edu/diary/Python%20InfoStealer%20with%20Embedded%20Phishing%20Webse...

SANS Stormcast Tuesday, May 6th: Mirai Exploiting Samsung magicInfo 9; Kali Signing Key Lost; Mirai Now Exploits Samsung MagicINFO CMS CVE-2024-7399 The Mirai botnet added a new vulnerability to its arsenal. This vulnerability, a file upload and remote code execution vulnerability in Samsung's MagicInfo 9 CMS, was patched last August but attracted new attention last week after being mostly ignored...

SANS Stormcast Monday, May 5th: Steganography Challenge; Microsoft Makes Passkeys Default and Moves Away from Authenticator as Password Manager; Magento Components Backdoored. Steganography Challenge Didier published a fun steganography challenge. A solution will be offered on Saturday. https://isc.sans.edu/diary/Steganography+Challenge/31910 Microsoft Makes Passkeys Default Authentication Method...

SANS Stormcast Thursday, May 1st: More Steganography; Malicious Python Packages GMail C2; BEC to Steal Rent Payments Steganography Analysis With pngdump.py: Bitstreams More details from Didiear as to how to extract binary content hidden inside images https://isc.sans.edu/diary/Steganography%20Analysis%20With%20pngdump.py%3A%20Bitstreams/31904 Using Trusted Protocols Against You: Gmail as a C2 Mech...

SANS Stormcast Thursday, May 1st: Sonicwall Attacks; Cached Windows RDP Credentials Web Scanning for Sonicwall Vulnerabilities CVE-2021-20016 For the last week, scans for Sonicwall API "login" and "domain" endpoints have skyrocketed. These attacks may be exploiting an older vulnerability or just attempting to brute force credentials. https://isc.sans.edu/diary/Web%20Scanning%20Sonicwall%20for%20CV...

SANS Stormcast Wednesday, April 30th: SMS Attacks; Apple Airplay Vulnerabilities More Scans for SMS Gateways and APIs Attackers are not just looking for SMS Gateways like the scans we reported on last week, but they are also actively scanning for other ways to use APIs and add on tools to send messages using other people's credentials. https://isc.sans.edu/diary/More%20Scans%20for%20SMS%20Gateways...

SANS Stormcast Tuesday, April 29th: SRUM-DUMP 3; Policy Puppetry; Choice Jacking; @sansinstitute at #RSAC 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 s...

SANS Stormcast Monday, April 27th: Image Steganography; SAP Netweaver Exploited Example of a Payload Delivered Through Steganography Xavier 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...

SANS Stormcast Friday, April 25th: SMS Gateway Scans; Comvault Exploit; Patch Window Shrinkage; More inetpub issues; Attacks against Teltonika Networks SMS Gateways Attackers are actively scanning for SMS Gateways. These attacks take advantage of default passwords and other commonly used passwords. https://isc.sans.edu/diary/Attacks%20against%20Teltonika%20Networks%20SMS%20Gateways/31888 Commvault...

SANS Stormcast Thursday, April 24th: Honeypot iptables Maintenance; XRPL.js Compromise; Erlang/OTP SSH Vuln affecting Cisco Honeypot Iptables Maintenance and DShield-SIEM Logging In this diary, Jesse is talking about some of the tasks to maintain a honeypot, like keeping filebeats up to date and adjusting configurations in case your dynamic IP address changes https://isc.sans.edu/diary/Honeypot%20...

SANS Stormcast Wednesday, April 23rd: More xorsearch Updates; DKIM Replay Attack; SSL.com Vulnerability Fixed xorsearch.py: Ad Hoc YARA Rules Adhoc YARA rules allow for easy searches using command line arguments without having to write complete YARA rules for simple use cases like string and regex searches https://isc.sans.edu/diary/xorsearch.py%3A%20%22Ad%20Hoc%20YARA%20Rules%22/31856 Google Spoo...

SANS Stormcast Tuesday, April 22nd: Phishing via Google; ChatGPT Fingerprint; Asus AI Cloud Vuln; PyTorch RCE It's 2025, so why are malicious advertising URLs still going strong? Phishing attacks continue to take advantage of Google's advertising services. Sadly, this is still the case for obviously malicious links, even after various anti-phishing services flag the URL. https://isc.sans.edu/diary...

ANS Stormcast Monday, April 21st: MSFT Entra Lockouts; Erlang/OTP SSH Exploit; Sonicwall Exploit; bubble.io bug Microsoft Entra User Lockout Multiple organizations reported widespread alerts and account lockouts this weekend from Microsoft Entra. The issue is caused by a new feature Microsoft enabled. This feature will lock accounts if Microsoft believes that the password for the account was compr...

SANS Stormcast Friday, April 18th: Remnux Cloud Environment; Erlang/OTP SSH Vuln; Brickstorm Backdoor Analysis; GPT 4.1 Safety Controversy RedTail: Remnux and Malware Management A description showing how to set up a malware analysis in the cloud with Remnux and Kasm. RedTail is a sample to illustrate how the environment can be used. https://isc.sans.edu/diary/RedTail%2C%20Remnux%20and%20Malware%20...

SANS Stormcast Thursday April 17th: Apple Updates; Oracle Updates; Google Chrome Updates; CVE News; Apple Updates Apple released updates for iOS, iPadOS, macOS, and VisionOS. The updates fix two vulnerabilities which had already been exploited against iOS. https://isc.sans.edu/diary/Apple%20Patches%20Exploited%20Vulnerability/31866 Oracle Updates Oracle released it quarterly critical patch update....

SANS Stormcast Wednesday Apr 16th: File Upload Service Abuse; OpenSSH 10.0 Released; Apache Roller Vuln; Possible CVE Changes Online Services Again Abused to Exfiltrate Data Attackers 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 tr...

SANS Stormcast Tuesday April 15th: xorsearch Update; Short Lived Certificates; New USB Malware 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...

SANS Stormcast Monday April 14th: Langlow AI Attacks; Fortinet Attack Cleanup; MSFT Inetpub; 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+fo...

SANS Stormcast Friday April 11th: Network Infraxploit; Windows Hello Broken; Dell Update; Langflow Exploit Network Infraxploit Our 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/3...