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%20Infrastructure/31676 North Korean state actor tricking admins into executing PowerShell North Korean state actors are spending quite a bit Read More

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%20Patch%20Tuesday/31674 Adobe Patches Adobe Read More

Reminder: 7-Zip MoW The MoW must be added to any files extracted from ZIP or other compound file formats. 7-Zip does not do so by default unless you alter the default configuration. https://isc.sans.edu/diary/Reminder%3A%207-Zip%20%26%20MoW/31668 Apple Fixes 0-Day Apple released updates to iOS and iPadOS fixing a bypass for USB Restricted Mode. Read More

SSL 2.0 Turns 30 This Sunday SSL was created in February 1995. However, back in 2005, only a year later, SSL 3.0 was released, and as of 2011, SSL 2.0 was deprecated, and support was removed from many crypto libraries. However, over 400k hosts are still exposed via SSL 2.0. Read More

The Unbreakable Multi-Layer Anti-Debugging System Xavier found a nice Python script that included what it calls the "Unbreakable Multi-Layer Anti-Debugging System". Leave it up to Xavier to tear it appart for you. https://isc.sans.edu/diary/The%20Unbreakable%20Multi-Layer%20Anti-Debugging%20System/31658 Take my money: OCR crypto stealers in Google Play and App Store Malware using OCR on screen Read More

Phishing via com- prefix domains Every day, attackers are registering a few hunder domain names starting with com-. These are used in phishing e-mails, like for example "toll fee scams", to create more convincing phishing links. https://isc.sans.edu/diary/Phishing%20via%20%22com-%22%20prefix%20domains/31654 Microsoft Windows 10 Extended Security Updates Microsoft released pricing and additional details for Read More

Some Updates to Our Data Feeds We made some updates to the documentation for our data feeds, and added the neat Rosti Feed to our list as well as to our ipinfo page. https://isc.sans.edu/diary/Some%20updates%20to%20our%20data%20feeds/31650 8 Million Request Later We Meade the Solarwindws Supply Chain Attack Look Amateur While the title Read More

Crypto Wallet Scam YouTube spam messages leak private keys to crypto wallets. However, these keys can not be used to withdraw funds. Victims are scammed into depositing "gas fees" which are then collected by the scammer. https://isc.sans.edu/diary/Crypto%20Wallet%20Scam/31646 Mediatek Patches Mediatek patched numerous vulnerabilities in its WLAN products. Some allow for Read More

To Simulate or Replicate: Crafting Cyber Ranges Automating the creation of cyber ranges. This will be a multi part series and this part covers creating the DNS configuration in Windows https://isc.sans.edu/diary/To%20Simulate%20or%20Replicate%3A%20Crafting%20Cyber%20Ranges/31642 Scammers Exploiting Deepseek Hype Scammers are using the hype around Deepseek, and some of the confusion caused by it's Read More

PCAPs or It Didn't Happen: Exposing an Old Netgear Vulnerability Still Active in 2025 [Guest Diary] https://isc.sans.edu/diary/PCAPs%20or%20It%20Didn%27t%20Happen%3A%20Exposing%20an%20Old%20Netgear%20Vulnerability%20Still%20Active%20in%202025%20%5BGuest%20Diary%5D/31638 RCE Vulnerablity in AI Development Platform Lightning AI Noma Security discovered a neat remote code execution vulnerability in Lightning AI. This vulnerability is exploitable by tricking a logged in user into clicking a Read More

From PowerShell to a Python Obfuscation Race! This information stealer not only emulates a PDF document convincingly, but also includes its own Python environment for Windows https://isc.sans.edu/diary/From%20PowerShell%20to%20a%20Python%20Obfuscation%20Race!/31634 Alleged Active Exploit Sale of CVE-2024-55591 on Fortinet Devices An exploit for this week's Fortinet vulnerability is for sale on russian forums. Fortinet Read More

Learn about fileless crypto stealers written in Python, the ongoing exploitation of recent SimpleHelp vulnerablities, new Apple Silicon Sidechannel attacks a Team Viewer Vulnerablity and an odd QR Code Fileless Python InfoStealer Targeting Exodus This Python script targets Exodus crypto wallet and password managers to steal crypto currencies. It does Read More

This episode shows how attackers are bypassing phishing filter by abusing the "shy" softhyphen HTML entitiy. We got an update from Apple fixing a 0-day vulnerability in addition to a number of other issues. watchTowr show how to exploit an interesting FortiOS vulnerability and we have patches for Github Desktop Read More

Guest Diary: How Access Brokers Maintain Persistence Explore how cybercriminals utilize access brokers to persist within networks and the impact this has on organizational security. https://isc.sans.edu/forums/diary/Guest+Diary+How+Access+Brokers+Maintain+Persistence/31600/ Critical Vulnerability in Meta's Llama Stack (CVE-2024-50050) A deep dive into CVE-2024-50050, a critical vulnerability affecting Meta's Llama Stack, with exploitation details and mitigation Read More

In today's episode, learn how an attacker attempted to exploit webmail XSS vulnerablities against us. Sonicwall released a critical patch fixing an already exploited vulnerability in its SMA 1000 appliance. Cisco fixed vulnerabilities in ClamAV and its Meeting Manager REST API. Learn from SANS.edu student Anthony Russo how to take Read More

In today's episode, we start by talking about the PFSYNC protocol used to synchronize firewall states to support failover. Oracle released it's quarterly critical patch update. ESET is reporting about a critical VPN supply chain attack and CISA released guidance for victims of recent Ivanti related attacks. Catching CARP: Fishing Read More

This episodes covers how Starlink users can be geolocated and how Cloudflare may help deanonymize users. The increased use of AI helpers leads to leaking data via careless prompts. Geolocation and Starlink https://isc.sans.edu/diary/Geolocation%20and%20Starlink/31612 Discover the potential geolocation risks associated with Starlink and how they might be exploited. This diary entry Read More

In this episode, we talk about downloading and analyzing partial ZIP files, how legitimate remote access tools are used in recent compromises and how a research found an SSRF vulnerability in Azure DevOps Partial ZIP File Downloads A closer look at how attackers are leveraging partial ZIP file downloads to Read More

In this episode, we cover how to use honeypot data to keep your offensive infrastructure alive longer, three critical vulnerabilities in SimpleHelp that must be patched now, and an interesting vulnerability affecting many systems allowing UEFI Secure Boot bypass. Leveraging Honeypot Data for Offensive Security Operations [Guest Diary] A recent Read More

In this episode, we explore the efficient storage of honeypot logs in databases, issues with Citrix's Session Recording Agent and Windows Update. Ivanti is having another interesting security event and our SANS.edu graduate student Rich Green talks about his research on Passkeys. Extracting Practical Observations from Impractical Datasets: A SANS Read More