Tag: stormcast

Add Punycode to your Threat Hunting Routine Punycode patterns in DNS queries make excellent hunting opportunities. https://isc.sans.edu/diary/Add%20Punycode%20to%20your%20Threat%20Hunting%20Routine/32640 GNU InetUtils Security Advisory: remote authentication by-pass intelnetd telnetd shipping with InetUtils suffers from a critical authentication by-pass vulnerability. https://www.openwall.com/lists/oss-security/2026/01/20/2 6-day and IP Address Certificates are Generally Available Let s Encrypt will now offer 6-day certificates as an […]

„How many states are there in the United States?“ Attackers are actively scanning for LLMs, fingerprinting them using the query How many states are there in the United States? . https://isc.sans.edu/diary/%22How%20many%20states%20are%20there%20in%20the%20United%20States%3F%22/32618 Closing the Door on Net-NTLMv1: Releasing Rainbow Tables to Accelerate Protocol Deprecation Mandiant is publicly releasing a comprehensive dataset of Net-NTLMv1 rainbow tables to […]

Battling Cryptojacking, Botnets, and IABs Cryptojacking often comes with less obvious addons, like SSH backdoors https://isc.sans.edu/diary/Battling%20Cryptojacking%2C%20Botnets%2C%20and%20IABs%20%5BGuest%20Diary%5D/32632 Microsoft Copilot Reprompt Attacks Adding a query parameter to the URL may prefill a Copilot prompt, altering the meaning of the prompts that follow. https://www.varonis.com/blog/reprompt Hijacking Bluetooth Accessories Using Google Fast Pair Google s fast pair protocol is often […]

Infection repeatedly adds scheduled tasks and increases traffic to the same C2 domain https://isc.sans.edu/diary/Infection%20repeatedly%20adds%20scheduled%20tasks%20and%20increases%20traffic%20to%20the%20same%20C2%20domain/32628 BodySnatcher (CVE-2025-12420): A Broken Authentication and Agentic Hijacking Vulnerability in ServiceNow https://appomni.com/ao-labs/bodysnatcher-agentic-ai-security-vulnerability-in-servicenow/ Starlink Terminal GPS Spoofing/Jamming Detection in Iran https://github.com/narimangharib/starlink-iran-gps-spoofing/blob/main/starlink-iran.md

Microsoft Patch Tuesday January 2026 Microsoft released patches for 113 vulnerabilities. This includes one already exploited vulnerability, one that was made public before today and eight critical vulnerabilities. https://isc.sans.edu/diary/January%202026%20Microsoft%20Patch%20Tuesday%20Summary/32624 Adobe Patches Adobe released patches for five products. The code execution vulnerabilities in ColdFusion and Acrobat Reader deserve special attention. https://helpx.adobe.com/security.html Fortinet Patches Fortnet patched two […]

n8n supply chain attack Malicious npm pagackages were used to attempt to obtain user OAUTH credentials for NPM. https://www.endorlabs.com/learn/n8mare-on-auth-street-supply-chain-attack-targets-n8n-ecosystem Gogs 0-Day Exploited in the Wild An at the time unpachted flaw in Gogs was exploited to compromise git repos. https://www.wiz.io/blog/wiz-research-gogs-cve-2025-8110-rce-exploit Telegram Proxy Link Abuse Telegram proxy links have been abused to deanonymize users https://x.com/GangExposed_RU/status/2009961417781457129

Malicious Process Environment Block Manipulation The process environment block contains metadata about particular processes, but can be manipulated. https://isc.sans.edu/diary/Malicious+Process+Environment+Block+Manipulation/32614/ YARA-X 1.11.0 Release: Hash Function Warnings The latest version of YARA will warn users if a hash rule attempts to match an invalid hash. https://isc.sans.edu/diary/YARA-X%201.11.0%20Release%3A%20Hash%20Function%20Warnings/32616 VideoLAN Security Bulletin VLC 3.0.22 CVE-2025-51602 VideoLAN fixed several vulnerabilities in […]

Analysis using Gephi with DShield Sensor Data Gephi is a neat tool to create interactive data visualizations. It can be applied to honeypot data to find data clusters. https://isc.sans.edu/diary/Analysis%20using%20Gephi%20with%20DShield%20Sensor%20Data/32608 zlib v1.3.1.2 Global Buffer Overflow in TGZfname() of zlib untgz Utility The untgz utility that is part of zlib suffers from a straightforward buffer overflow in […]

A phishing campaign with QR codes rendered using an HTML table Phishing emails are bypassing filters by encoding QR codes as HTML tables. https://isc.sans.edu/diary/A%20phishing%20campaign%20with%20QR%20codes%20rendered%20using%20an%20HTML%20table/32606 n8n vulnerabilities In recent days, several new n8n vulnerabilities were disclosed. Ensure that you update any on-premises installations and carefully consider what to use n8n for. https://www.cyera.com/research-labs/ni8mare-unauthenticated-remote-code-execution-in-n8n-cve-2026-21858 https://github.com/n8n-io/n8n/security/advisories/GHSA-v4pr-fm98-w9pg Power bank feature […]

Tool Review: Tailsnitch Tailsnitch is a tool to audit your Tailscale configuration. It does a comprehensive analysis of your configuration and suggests (or even applies) fixes. https://isc.sans.edu/diary/Tool%20Review%3A%20Tailsnitch/32602 D-Link DSL Command Injection via DNS Configuration Endpoint A new vulnerability in very old D-Link DSL modems is currently being exploited. https://www.vulncheck.com/advisories/dlink-dsl-command-injection-via-dns-configuration-endpoint TOTOLINK EX200 firmware-upload error handling can […]