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%20Ports%20to%20Upload%20Data/31710 Compromised Visal Studio Code Extension downloaded by Millions Amit Assaraf identified a likely compromised Visual Studio Code theme that Read More
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 supports enables careless administrators to publich private keys instead or in Read More
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 based app authentication Read More
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 cloud key management system. https://cloud.google.com/blog/products/identity-security/announcing-quantum-safe-digital-signatures-in-cloud-kms Windows 11 Patch issues Read More
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 vulnerability leading to the potenitial of remote code exeuction in MongoDB https://www.theregister.com/2025/02/20/mongoose_flaws_mongodb/ Read More
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 computing. Its new prototype Majorana 1 chip takes Read More
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 vulnerabilities discovered by Qualys. One may be used for MitM attack in specfic configurations Read More
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 PostgreSQL SQL Injection A followup to yesterday's segment about the PostgreSQL Read More
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%20Malicious%20Python%20Script/31686 The Read More
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 complex midle box chain in PANOS. https://slcyber.io/blog/nginx-apache-path-confusion-to-auth-bypass-in-pan-os/ Read More
Welcome to Episode 395 of the Microsoft Cloud IT Pro Podcast. In this episode, we dive into Azure Virtual Desktop (AVD) and how it enables organizations to deliver secure, scalable Virtual Desktop Infrastructure (VDI) in the cloud. Whether you’re looking to modernize remote work, enhance security, or optimize IT costs, Read More
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
