CVE-2021-40444

Fully Weaponized CVE-2021-40444 CVE-2021-40444（Microsoft Office Word リモートコード実行）を悪用する悪意のある docx ジェネレーター。任意の DLL ファイルで動作します。 背景 多くの PoC がすでにインターネット上に存在しますが、この脆弱性を武器化するために自分自身で試してみることにしました。見つけた既存のものには共有する価値のある有益な情報が不足していたためです。また、Microsoft がこの脆弱性に対するパッチをすでにリリースしていることも考慮しました。...

CVE-2026-4255

CVE-2026-4255 Thermalright TR-VISION HOME DLL サイドローディングによる権限昇格 重要度: HIGH CVSS 8.4 CWE: CWE-829 信頼できない制御領域からの機能の包含 公開日: 2026/03/16 CNA: Toreon 影響を受けるバージョン: Thermalright TR-VISION HOME ≤ 2.0.5 Windows 64-bit 発見者: Ard33 説明 Thermalright TR-VISION HOME は、Ftd2xx.dll FTDI USB-シリアルライブラリ をデフォルトの Windows D...

PT-2026-97782

Name of the Vulnerable Software and Affected Versions Evope Collector versions prior to 1.1.7.13 Description An unchecked search path element allows a local attacker without privileges to perform local privilege escalation. By placing a malicious wtsapi32.dll file in the C:ProgramDataEvope...

Spark RAT Targets Cambodia, Abuses Vulnerable OPSWAT Driver to Disable Security Tools

Individuals and organizations in Cambodia have emerged as the target of a new campaign that delivers an open-source remote access trojan RAT called Spark RAT. "The samples employ diverse lure themes, suggesting an effort to appeal to a broad range of potential victims. These include government...

Silver Fox Targets Japanese Manufacturer with 3-Driver BYOVD Chain and ValleyRAT

The Chinese cybercrime group known as Silver Fox has been observed using new drivers as part of bring your own vulnerable driver BYOVD attacks targeting a Japanese organization in the industrial manufacturing sector to ultimately deliver ValleyRAT aka Winos 4.0 for persistent remote access. "In...

DragonForce Hackers Abuse Microsoft Teams Relays to Hide Backdoor.Turn C2 Traffic

Threat actors associated with the DragonForce ransomware have been observed using a custom Go-based remote access trojan RAT called Backdoor.Turn to conceal command-and-control C2 traffic inside Microsoft Teams relay infrastructure. According to findings from Broadcom-owned Symantec and Carbon...

ClickFix Campaigns Expand Malware Delivery With New Loaders and Fake Update Lures

Cybersecurity researchers have flagged multiple ClickFix campaigns that deliver three malware loaders called BabaDeda Loader , Lorem Ipsum Loader , and Potemkin , per independent reports from Morphisec, BlueVoyant, and Huntress, respectively. Attacks involving BabaDeda Loader, observed in April...

China-Aligned Groups Ramp Up Attacks: Dragon Weave Hits Czech Republic & Taiwan

A new cyber espionage campaign codenamed Operation Dragon Weave has been observed targeting officials and citizens in the Czech Republic and Taiwan to deliver an AdaptixC2 agent. According to Seqrite Labs, targets of the campaign include government, research, academic, technology, and financial...

Grandoreiro Malware and BTMOB RAT Campaigns Target Windows and Android Users

Latin America and Europe become the target of two banking trojan campaigns that are designed to infect Windows and Android devices with Grandoreiro and BTMOB malware, respectively. That's according to new findings from WatchGuard and ESET, which have observed the two malware families being used t...

TCLBANKER Banking Trojan Targets Financial Platforms via WhatsApp and Outlook Worms

Threat hunters have flagged a previously undocumented Brazilian banking trojan dubbed TCLBANKER that's capable of targeting 59 banking, fintech, and cryptocurrency platforms. The activity is being tracked by Elastic Security Labs under the moniker REF3076. The malware family is assessed to be a...

CPUID Breach Distributes STX RAT via Trojanized CPU-Z and HWMonitor Downloads

Unknown threat actors compromised CPUID "cpuid.com", a website that hosts popular hardware monitoring tools like CPU-Z, HWMonitor, HWMonitor Pro, and PerfMonitor, for less than 24 hours to serve malicious executables for the software and deploy a remote access trojan called STX RAT. The incident...

UAT-10362 Targets Taiwanese NGOs with LucidRook Malware in Spear-Phishing Campaigns

A previously undocumented threat cluster dubbed UAT-10362 has been attributed to spear-phishing campaigns targeting Taiwanese non-governmental organizations NGOs and suspected universities to deploy a new Lua-based malware called LucidRook. "LucidRook is a sophisticated stager that embeds a Lua...

CVE-2026-4255 DLL Injection Privilege Escalation

A DLL search order hijacking vulnerability in Thermalright TR-VISION HOME on Windows 64-bit allows a local attacker to escalate privileges via DLL side-loading. The application loads certain dynamic-link library DLL dependencies using the default Windows search order, which includes directories...

CVE-2026-4255

The CVE-2026-4255 entry describes a DLL search order hijacking in Thermalright TR-VISION HOME (Windows 64-bit) that allows local privilege escalation via DLL side-loading. Affected: TR-VISION HOME versions up to 2.0.5. Root cause: the application loads DLL dependencies using the default Windows s...

CVE-2026-4255

A DLL search order hijacking vulnerability in Thermalright TR-VISION HOME on Windows 64-bit allows a local attacker to escalate privileges via DLL side-loading. The application loads certain dynamic-link library DLL dependencies using the default Windows search order, which includes directories...

CVE-2026-4255: Inclusion of Functionality from Untrusted Control Sphere

A DLL search order hijacking vulnerability in Thermalright TR-VISION HOME on Windows 64-bit allows a local attacker to escalate privileges via DLL side-loading. The application loads certain dynamic-link library DLL dependencies using the default Windows search order, which includes directories...

UAT-9244 targets South American telecommunication providers with three new malware implants

Cisco Talos is disclosing UAT-9244, who we assess with high confidence is a China-nexus advanced persistent threat APT actor closely associated with Famous Sparrow. Since 2024, UAT-9244 has targeted critical telecommunications infrastructure, including Windows and Linux-based endpoints and edge...

UAT-10027 Targets U.S. Education and Healthcare with Dohdoor Backdoor

A previously undocumented threat activity cluster has been attributed to an ongoing malicious campaign targeting education and healthcare sectors in the U.S. since at least December 2025. The campaign is being tracked by Cisco Talos under the moniker UAT-10027. The end goal of the attacks is to...

LOTUSLITE Backdoor Targets U.S. Policy Entities Using Venezuela-Themed Spear Phishing

Security experts have disclosed details of a new campaign that has targeted U.S. government and policy entities using politically themed lures to deliver a backdoor known as LOTUSLITE. The targeted malware campaign leverages decoys related to the recent geopolitical developments between the U.S...

Hackers Exploit c-ares DLL Side-Loading to Bypass Security and Deploy Malware

Security experts have disclosed details of an active malware campaign that's exploiting a DLL side-loading vulnerability in a legitimate binary associated with the open-source c-ares library to bypass security controls and deliver a wide range of commodity trojans and stealers. "Attackers achieve...