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
The February Patch Tuesday appears to have caused issues with a number of Windows 11 systems. In particular the usability of the file manager appears to be affected.
https://www.windowslatest.com/2025/02/16/windows-11-kb5051987-breaks-file-explorer-install-fails-on-windows-11-24h2/
LTE/5G Vulnerabilities
Researchers at the university of Florida have identified a large number of vulnerabilities in 5G and LTE networks.
https://nathanielbennett.com/publications/ransacked.pdf

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/
U-Boot Vulnerabilities
The open source boot loader U-Boot does suffer from a number of issues allowing the bypass of its integrity checks. This may lead to the execution of malicious code on boot.
https://www.openwall.com/lists/oss-security/2025/02/17/2
Unifi Protect Camera Update
https://community.ui.com/releases/Security-Advisory-Bulletin-046-046/9649ea8f-93db-4713-a875-c3fd7614943f

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 advantage of exotic majorana particles to implement a scalable low error rate solution to building quantum computers
https://news.microsoft.com/source/features/ai/microsofts-majorana-1-chip-carves-new-path-for-quantum-computing/
Russia Targeting Signal Messenger
Signal is well regarded as a secure end to end encrypted messaging platform. However, a user may be tricked into providing access to their account by scanning a QR code masquerading as a group channel invitation.
https://cloud.google.com/blog/topics/threat-intelligence/russia-targeting-signal-messenger/

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 of OpenSSH.
https://www.qualys.com/2025/02/18/openssh-mitm-dos.txt
Juniper Authentication Bypass
Juniper fixed an authentication bypass vulnerability that affects several prodcuts. The patch was released outside the normal patch schedule.
https://supportportal.juniper.net/s/article/2025-02-Out-of-Cycle-Security-Bulletin-Session-Smart-Router-Session-Smart-Conductor-WAN-Assurance-Router-API-Authentication-Bypass-Vulnerability-CVE-2025-21589?language=en_US
DELL BIOS Patches
DELL released BIOS updates fixing a privilege escalation issue. The update affects a large part of Dell's portfolio
https://www.dell.com/support/kbdoc/en-en/000258429/dsa-2025-021

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 vulnerability. Rapid7 released a Metasploit module to exploit the vulnerability.
https://github.com/rapid7/metasploit-framework/pull/19877
Ivanti Connect Secure Exploited
The Japanese CERT observed exploitation of January's Connect Secure vulnerability
https://blogs.jpcert.or.jp/ja/2025/02/spawnchimera.html
WinZip Vulnerability
WinZip patched a buffer overflow vulenrability that may be triggered by malicious 7Z files
https://www.zerodayinitiative.com/advisories/ZDI-25-047/
Xerox Printer Patch
Xerox patched two vulnerabililites in its enterprise multifunction printers that may be exploited for lateral movement.
https://securitydocs.business.xerox.com/wp-content/uploads/2025/02/Xerox-Security-Bulletin-XRX25-003-for-Xerox-VersaLinkPhaser-and-WorkCentre.pdf

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 Danger of IP Volatility
Accounting for IP addresses is important, and if not done properly, may
lead to resources being exposed after IP addresses are released.
https://isc.sans.edu/diary/The%20Danger%20of%20IP%20Volatility/31688
PostgreSQL SQL Injection
Functions in PostgreSQL's libpq do not properly escape parameters which may
lead to SQL injection issues if the functions are used to create input for pqsql.
https://www.postgresql.org/support/security/CVE-2025-1094/
Multiple Russian Threat Actors Targeting Microsoft Device Code Auth
The OAUTH device code flow is used to attach devices with limited input capability to a user's account. However, this can be abused via phishing attacks.
https://www.volexity.com/blog/2025/02/13/multiple-russian-threat-actors-targeting-microsoft-device-code-authentication/

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/
https://www.theregister.com/2025/02/13/palo_alto_firewall/
China's Volt Typhoon Continues to use Cisco Vulns
Recorded Future wrote up some recent attacks of the Red Mike / Volt Typhoon groups going after telecom providers by compromissing Cisco systems via an older vulnerabilty
https://www.wired.com/story/chinas-salt-typhoon-spies-are-still-hacking-telecoms-now-by-exploiting-cisco-routers/
Crowdstrike Patches Linux Client
https://www.crowdstrike.com/security-advisories/cve-2025-1146/

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 of effort setting up relationships with South Korean system administrators, culminating in them getting tricked into executing malicious PowerShell scripts.
https://x.com/MsftSecIntel/status/1889407814604296490
Wazuh Vulnerability
A deserialization vulnerability in Wazuh may lead to an unauthenticated remote code execution vulnerability
https://github.com/wazuh/wazuh/security/advisories/GHSA-hcrc-79hj-m3qh
PAM PKCS11 Vulnerablity
Several vulnerabilities in the Linux PAM module processing smart card authentication can be used to bypass authentication
https://github.com/OpenSC/pam_pkcs11/releases/tag/pam_pkcs11-0.6.13
Ivanti Patches
Ivanti released its monhtly update, fixing a number of critical vulnerabilities in Connect Secure and other prodcuts
https://forums.ivanti.com/s/article/February-Security-Advisory-Ivanti-Connect-Secure-ICS-Ivanti-Policy-Secure-IPS-and-Ivanti-Secure-Access-Client-ISAC-Multiple-CVEs?language=en_US

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 released patches for seven products. Watch out in particular for the Adobe Commerce issues
https://helpx.adobe.com/security/security-bulletin.html
Fortinet Acknowledges Exploitation of Vulnerability
https://fortiguard.fortinet.com/psirt/FG-IR-24-535

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. The vulnerability is already being exploited.
https://support.apple.com/en-us/122174
AMD ZEN CPU Microcode Update
An attacker is able to replace microcode on some AMD CPUs. This may alter how the CPUs function and Google released a PoC showing how it can be used to manipulate the random number generator.
https://github.com/google/security-research/security/advisories/GHSA-4xq7-4mgh-gp6w
Trimble Cityworks Exploited
CISA added a recent Trimble Cityworks vulnerabliity to its list of exploited vulnerabilities.
https://learn.assetlifecycle.trimble.com/i/1532182-cityworks-customer-communication-2025-02-06-docx/0?
Google Tag Manager Skimmer Steals Credit Card Info
Sucuri released a blog post with updates to the mage cart campaign. The latest version is injecting malicious code as part of the google tag manager / analytics code.
https://blog.sucuri.net/2025/02/google-tag-manager-skimmer-steals-credit-card-info-from-magento-site.html