Cisco-IOS-Exploitation-JAGUAR_TOOTH-CVE-2017-6742-Reconstruction

= doi.org/10.5281/zenodo.18283540 = orcid.org/0009-0007-7728-256X README.md 🐆 JAGUARTOOTH Analysis & Research APT28/Fancy Bear -blue?style=for-the-badge 📑 Overview Analisa komprehensif dan rekonstruksi teknis terhadap malware JAGUARTOOTH, sebuah instrumen spionase siber non-persistent yang...

CVE-2026-21509

CVE-2026-21509 — Microsoft Office OLE Security-Feature Bypass Research writeup by Sentinel AI Defense. Defensive analysis only — no working exploit or PoC is published here for an actively exploited vulnerability. A security-feature bypass in Microsoft Office that lets a crafted document load COM...

CVE-2015-1701

CVE-2015-1701 Win32k Elevation of Privilege Vulnerability. Original info https://www.fireeye.com/blog/threat-research/2015/04/probableapt28useo.html Protection Apply MS15-051 for fix. https://technet.microsoft.com/library/security/MS15-051 CVE Dictionary Entry: CVE-2015-1701 NVD Published Date:...

CVE-2026-21509-handler

CVE-2026-21509 Office Kill-Bit Manager PowerShell script to check, apply, and test the Kill-Bit protection for the CVE-2026-21509 Microsoft Office zero-day vulnerability affecting Office 2016/2019/LTSC. What is CVE-2026-21509? Critical RCE vulnerability in Microsoft Office OLE/COM handling CVSS...

Russian APT28 Breaches NATO Naval Shipbuilder in NATO Country, Deploys New Reflective Loader

The Russia-linked state-sponsored threat actor tracked as APT28 aka BlueDelta, Fancy Bear, and Forest Blizzard has been attributed to attacks targeting two member states of the North Atlantic Treaty Organization NATO. The Symantec Threat Hunter Team, which is tracking the activity cluster under t...

CVE-2015-1701

CVE-2015-1701 Win32k Elevation of Privilege Vulnerability. Original info https://www.fireeye.com/blog/threat-research/2015/04/probableapt28useo.html Protection Apply MS15-051 for fix. https://technet.microsoft.com/library/security/MS15-051 Authors c 2015 CVE-2015-1701 Project Credits R136a1...

Trellix SecondSight Threat Hunting Report: How AI and Human Intelligence Expose 2026 Cyber Threats

Trellix SecondSight Threat Hunting Report: How AI and Human Intelligence Expose 2026 Cyber Threats By John Fokker and Adam Rocker · September 8, 2026 Threat hunting is changing. As adversaries adopt new technologies, techniques, and increasingly AI-enabled ways of operating, defenders have access...

Trellix SecondSight Threat Hunting Report: How AI and Human Intelligence Expose 2026 Cyber Threats

Trellix SecondSight Threat Hunting Report: How AI and Human Intelligence Expose 2026 Cyber Threats By John Fokker and Adam Rocker · September 8, 2026 Threat hunting is changing. As adversaries adopt new technologies, techniques, and increasingly AI-enabled ways of operating, defenders have access...

APT28-Linked HOOKEDGE Backdoor Targets European Government and Diplomatic Organizations

Cybersecurity researchers have flagged a fresh set of campaigns targeting government and diplomatic organizations in Romania, Spain, and Türkiye between late September 2025 and early April 2026. These campaigns, per Recorded Future Insikt Group, have led to the deployment of a previously...

Operationalizing Cyber Threat Intelligence with GraphRAG

When a security researcher publishes a report on a cyberattack, detection engineers are supposed to turn it into working detection rules. In practice, most automated attempts at this only extract the simplest clues from the report --- bad IP addresses, domain names, and file hashes --- and turn...

A Shortcut to Coercion: Incomplete Patch of APT28's Zero-Day Leads to CVE-2026-32202

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APT28’s Stealthy Multi-Stage Campaign Leveraging CVE‑2026‑21509 and Cloud C2 Infrastructure

APT28’s Stealthy Multi-Stage Campaign Leveraging CVE‑2026‑21509 and Cloud C2 Infrastructure By Pham Duy Phuc and Alex Lanstein · February 4, 2026 Updated February 9, 2026: This analysis has been updated to clarify malware naming conventions. Introduction Russian state-sponsored threat group APT28...

The Evolution of Russian Physical-Cyber Espionage

The Evolution of Russian Physical-Cyber Espionage By Ryan Slaney · October 6, 2025 Russian state-sponsored cyber operations, primarily those conducted by hackers belonging to its Main Intelligence Directorate GRU, also known as APT28, have long combined digital intrusions with physical tradecraft...

CERT-UA Discovers LAMEHUG Malware Linked to APT28, Using LLM for Phishing Campaign

The Computer Emergency Response Team of Ukraine CERT-UA has disclosed details of a phishing campaign that's designed to deliver a malware codenamed LAMEHUG. "An obvious feature of LAMEHUG is the use of LLM large language model, used to generate commands based on their textual representation...

APT28 Uses Signal Chat to Deploy BEARDSHELL Malware and COVENANT in Ukraine

The Computer Emergency Response Team of Ukraine CERT-UA has warned of a new cyber attack campaign by the Russia-linked APT28 aka UAC-0001 threat actors using Signal chat messages to deliver two previously undocumented malware families dubbedd BEARDSHELL and COVENANT. BEARDSHELL, per CERT-UA, is...

Russian Hackers Exploit Email and VPN Vulnerabilities to Spy on Ukraine Aid Logistics

Russian cyber threat actors have been attributed to a state-sponsored campaign targeting Western logistics entities and technology companies since 2022. The activity has been assessed to be orchestrated by APT28 aka BlueDelta, Fancy Bear, or Forest Blizzard, which is linked to the Russian General...

Russia-Linked APT28 Exploited MDaemon Zero-Day to Hack Government Webmail Servers

A Russia-linked threat actor has been attributed to a cyber espionage operation targeting webmail servers such as Roundcube, Horde, MDaemon, and Zimbra via cross-site scripting XSS vulnerabilities, including a then-zero-day in MDaemon, according to new findings from ESET. The activity, which...

From TV5Monde to Govt: France Blames Russia’s APT28 for Cyberattacks

France accuses Russia's APT28 hacking group Fancy Bear of targeting French government entities in a cyber espionage campaign.…...

UAC-0063 Expands Cyber Attacks to European Embassies Using Stolen Documents

The advanced persistent threat APT group known as UAC-0063 has been observed leveraging legitimate documents obtained by infiltrating one victim to attack another target with the goal of delivering a known malware dubbed HATVIBE. "This research focuses on completing the picture of UAC-0063's...

Russian Spies Jumped From One Network to Another Via Wi-Fi in an Unprecedented Hack

In a first, Russia's APT28 hacking group appears to have remotely breached the Wi-Fi of an espionage target by hijacking a laptop in another building across the street...