Google Disrupts UNC2814 GRIDTIDE Campaign After 53 Breaches Across 42 Countries

Google on Wednesday disclosed that it worked with industry partners to disrupt the infrastructure of a suspected China-nexus cyber espionage group tracked as UNC2814 that breached at least 53 organizations across 42 countries. "This prolific, elusive actor has a long history of targeting...

Developer-targeting campaign using malicious Next.js repositories

Microsoft Defender Experts identified a coordinated developer-targeting campaign delivered through malicious repositories disguised as legitimate Next.js projects and technical assessment materials. Telemetry collected during this investigation indicates the activity aligns with a broader cluster...

tempest-c2

⚡ Tempest C2 Framework Advanced Post-Exploitation & Comma...

Google Ties Suspected Russian Actor to CANFAIL Malware Attacks on Ukrainian Orgs

A previously undocumented threat actor has been attributed to attacks targeting Ukrainian organizations with malware known as CANFAIL. Google Threat Intelligence Group GTIG described the hacking group as possibly affiliated with Russian intelligence services. The threat actor is assessed to have...

CVE-2026-25791

Sliver (CVE-2026-25791) reports a DNS C2 OTP bypass where the DNS listener accepts unauthenticated TOTP bootstrap messages and allocates sessions without OTP validation, even with EnforceOTP enabled. This allows unauthenticated remote session creation leading to memory exhaustion and denial of se...

Exploit-Kernel-Win-11-C2---WIN-11

Exploit-Kernel-Win-11-C2---WIN-11 Compilación e...

Sliver 资源管理错误漏洞

Sliver is an open-source, cross-platform opponent simulation/red team framework developed by Bishop Fox. It can be used by organizations of various sizes for security testing. Versions of Sliver prior to 1.7.0 contained a resource management vulnerability. This vulnerability stemmed from the DNS ...

Knife Cutting the Edge: Disclosing a China-nexus gateway-monitoring AitM framework

Cisco Talos uncovered "DKnife," a fully featured gateway-monitoring and adversary-in-the-middle AitM framework comprising seven Linux-based implants that perform deep-packet inspection, manipulate traffic, and deliver malware via routers and edge devices. Based on the artifact metadata, DKnife ha...

Infy Hackers Resume Operations with New C2 Servers After Iran Internet Blackout Ends

The elusive Iranian threat group known as Infy aka Prince of Persia has evolved its tactics as part of efforts to hide its tracks, even as it readied new command-and-control C2 infrastructure coinciding with the end of the widespread internet blackout the regime imposed at the start of January...

The Notepad++ supply chain attack — unnoticed execution chains and new IoCs

UPD 11.02.2026: added recommendations on how to use the Notepad++ supply chain attack rules package in our SIEM system. Introduction On February 2, 2026, the developers of Notepad++, a text editor popular among developers, published a statement claiming that the update infrastructure of Notepad++...

Open VSX Supply Chain Attack Used Compromised Dev Account to Spread GlassWorm

Cybersecurity researchers have disclosed details of a supply chain attack targeting the Open VSX Registry in which unidentified threat actors compromised a legitimate developer's resources to push malicious updates to downstream users. "On January 30, 2026, four established Open VSX extensions...

nightfury

NightFury Framework Version 2.0 | Professional Red Team Ope...

Iran-Linked RedKitten Cyber Campaign Targets Human Rights NGOs and Activists

A Farsi-speaking threat actor aligned with Iranian state interests is suspected to be behind a new campaign targeting non-governmental organizations and individuals involved in documenting recent human rights abuses. The activity, observed by HarfangLab in January 2026, has been codenamed...

China-Linked Hackers Have Used the PeckBirdy JavaScript C2 Framework Since 2023

Cybersecurity researchers have discovered a JScript-based command-and-control C2 framework called PeckBirdy that has been put to use by China-aligned APT actors since 2023 to target multiple environments. The flexible framework has been put to use against Chinese gambling industries and malicious...

K000159681: Credential harvesting campaign targeting F5 VPN users

On January 13, 2026, researchers identified a large-scale credential harvesting campaign targeting several VPN providers, including F5. The threat actors behind the campaign registered numerous doppelgänger domains designed to mimic legitimate F5 domains. These domains are used to deceive victims...

Researchers Null-Route Over 550 Kimwolf and Aisuru Botnet Command Servers

The Black Lotus Labs team at Lumen Technologies said it null-routed traffic to more than 550 command-and-control C2 nodes associated with the AISURU/Kimwolf botnet since early October 2025. AISURU and its Android counterpart, Kimwolf, have emerged as some of the biggest botnets in recent times,...

Strengthening supply chain security: Preparing for the next malware campaign

The open source ecosystem continues to face organized, adaptive supply chain threats that spread through compromised credentials and malicious package lifecycle scripts. The most recent example is the multi-wave Shai-Hulud campaign. While individual incidents differ in their mechanics and speed,...

Two Chrome Extensions Caught Secretly Stealing Credentials from Over 170 Sites

Cybersecurity researchers have discovered two malicious Google Chrome extensions with the same name and published by the same developer that come with capabilities to intercept traffic and capture user credentials. The extensions are advertised as a "multi-location network speed test plug-in" for...

Android Malware Operations Merge Droppers, SMS Theft, and RAT Capabilities at Scale

Threat actors have been observed leveraging malicious dropper apps masquerading as legitimate applications to deliver an Android SMS stealer dubbed Wonderland in mobile attacks targeting users in Uzbekistan. "Previously, users received 'pure' Trojan APKs that acted as malware immediately upon...

Kimwolf Botnet Hijacks 1.8 Million Android TVs, Launches Large-Scale DDoS Attacks

A new distributed denial-of-service DDoS botnet known as Kimwolf has enlisted a massive army of no less than 1.8 million infected devices comprising Android-based TVs, set-top boxes, and tablets, and may be associated with another botnet known as AISURU, according to findings from QiAnXin XLab...