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Category: Exploits

Explore the latest software exploits, zero-day vulnerabilities, and security PoCs. Geek-Guy provides expert analysis on emerging threats and how to stay protected.

Nation-state groups hit hundreds of organizations with Microsoft Windows zero-day

Cybercriminals working on behalf of at least six nation-states are actively exploiting a zero-day vulnerability in Microsoft Windows to commit espionage, steal data and cryptocurrency, according to Trend Micro researchers. The vulnerability, which Trend Micro tracks as ZDI-CAN-25373, allows attackers to execute hidden malicious commands due to the way Windows displays the contents of shortcut…

Application Detection and Response Analysis: Why ADR? How ADR Works, and ADR Benefits

Two highly respected technology analysts from different cybersecurity disciplines are coming together to recommend that companies consider Application Detection and Response. Organizations face a constant barrage of cyber threats, including zero-day vulnerabilities that can exploit unknown weaknesses in software. Traditional security solutions often fall short in detecting and responding to these attacks, leaving organizations vulnerable.…

New Windows zero-day feared abused in widespread espionage for years

A zero-day vulnerability stemming from how Windows User Interface handles its shortcut (.lnk) files has been exploited by at least 11 nation-state actors in widespread threat campaigns. According to an analysis by Trend Zero Day Initiative (ZDI), the bug bounty and vulnerability disclosure program that first found and reported the flaw to Microsoft, the vulnerability…

Hacker nutzen alte Windows-Sicherheitslücke aus – Microsoft tut nichts

Timepopo – shutterstock.com Experten des Sicherheits-Unternehmens Trend Micro haben eine als ZDI-CAN-25373 bezeichnete Sicherheitslücke in Windows entdeckt, die Angreifer seit mindestens 2017 ausnutzen. Über die Lücke können die Angreifer Schadcode auf den betroffenen Windows-Rechnern ausführen, sofern der Benutzer eine verseuchte Webseite besucht oder eine infizierte Datei öffnet. Die Lücke steckt in der Vorgehensweise, wie Windows .lnk-Dateien (Verknüpfungsdateien) verarbeitet.…

CISA Adds NAKIVO Vulnerability to KEV Catalog Amid Active Exploitation

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a high-severity security flaw impacting NAKIVO Backup & Replication software to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The vulnerability in question is CVE-2024-48248 (CVSS score: 8.6), an absolute path traversal bug that could allow an unauthenticated attacker to

DOGE’s cost-cutting database dives offer cybersecurity pros vital lessons in cloud security

Cybersecurity has been politically agnostic until recently, but with the many rapid changes introduced by the Trump administration, it has become somewhat politicized and fraught with questions and self-examination. Claims on social media, rumors, and information disseminated by questionable sources are having a palpable impact on the security world, even at the highest of levels…

News alert: SpyCloud study shows Darknet identity exploitation arising to become a primary cyber risk

Austin, TX, Ma. 19, 2025, CyberNewswire — The average corporate user now has 146 stolen records linked to their identity, an average 12x increase from previous estimates, reflecting a surge in holistic identity exposures. SpyCloud, the leading identity threat … (more…) The post News alert: SpyCloud study shows Darknet identity exploitation arising to become a…

Hackers Exploit Severe PHP Flaw to Deploy Quasar RAT and XMRig Miners

Threat actors are exploiting a severe security flaw in PHP to deliver cryptocurrency miners and remote access trojans (RATs) like Quasar RAT. The vulnerability, assigned the CVE identifier CVE-2024-4577, refers to an argument injection vulnerability in PHP affecting Windows-based systems running in CGI mode that could allow remote attackers to run arbitrary code. Cybersecurity company

Leaked Black Basta Chats Suggest Russian Officials Aided Leader’s Escape from Armenia

The recently leaked trove of internal chat logs among members of the Black Basta ransomware operation has revealed possible connections between the e-crime gang and Russian authorities. The leak, containing over 200,000 messages from September 2023 to September 2024, was published by a Telegram user @ExploitWhispers last month. According to an analysis of the messages…

About 22k WAB customers impacted by a zero-day attack on a third-party vendor

Western Alliance Bank (WAB) has disclosed that a data breach at its third-party vendor’s secure file transfer software has compromised personal information for nearly 22,000 customers. In a letter to potentially affected customers, the Arizona-based regional bank–operating over 50 branches with $80 billion in assets–disclosed that forensic analysis indicated unauthorized access to financial data, social…

Critical mySCADA myPRO Flaws Could Let Attackers Take Over Industrial Control Systems

Cybersecurity researchers have disclosed details of two critical flaws impacting mySCADA myPRO, a Supervisory Control and Data Acquisition (SCADA) system used in operational technology (OT) environments, that could allow malicious actors to take control of susceptible systems. “These vulnerabilities, if exploited, could grant unauthorized access to industrial control networks, potentially

CISA Warns of Active Exploitation in GitHub Action Supply Chain Compromise

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added a vulnerability linked to the supply chain compromise of the GitHub Action, tj-actions/changed-files, to its Known Exploited Vulnerabilities (KEV) catalog. The high-severity flaw, tracked as CVE-2025-30066 (CVSS score: 8.6), involves the breach of the GitHub Action to inject malicious code that enables a remote

Critical vulnerability in AMI MegaRAC BMC allows servers’ takeover

Researchers found a critical vulnerability in the AMI MegaRAC baseband management controller (BMC) used by multiple server manufacturers. The vulnerability could allow attackers to bypass authentication and take control of the vulnerable server over the Redfish management interface. “Exploitation of this vulnerability allows an attacker to remotely control the compromised server, remotely deploy malware, ransomware,…

New Critical AMI BMC Vulnerability Enables Remote Server Takeover and Bricking

A critical security vulnerability has been disclosed in AMI’s MegaRAC Baseboard Management Controller (BMC) software that could allow an attacker to bypass authentication and carry out post-exploitation actions. The vulnerability, tracked as CVE-2024-54085, carries a CVSS v4 score of 10.0, indicating maximum severity. “A local or remote attacker can exploit the vulnerability by accessing the

Tomcat PUT to active abuse as Apache deals with critical RCE flaw

Apache Software’s open-source web container for handling Java-based web applications, Tomcat, is under active attacks through a critical RCE flaw the company disclosed last week. According to API security vendor, Wallarm, threat actors are using a public proof-of-concept (PoC) exploit released for the flaw, CVE-2025-24813, just 30 hours after it was publicly disclosed. “A devastating…

DEA Insiders Warned About Legality of Phone Tracking Program. Their Concerns Were Kept Secret.

When the Drug Enforcement Administration’s access to a secret trove of billions of American phone records was exposed in 2013, the Obama administration said the data had been collected under a perfectly legal program. Civil liberties advocates, however, were not convinced about that the data collection program — which let the DEA see who you…

ZDI-CAN-25373: Windows Shortcut Exploit Abused as Zero-Day in Widespread APT Campaigns

Trend Zero Day Initiative™ (ZDI) uncovered both state-sponsored and cybercriminal groups extensively exploiting ZDI-CAN-25373 (aka ZDI-25-148), a Windows .lnk file vulnerability that enables hidden command execution.

ZDI-CAN-25373: Windows Shortcut Exploit Abused as Zero-Day in Widespread APT Campaigns

Trend Zero Day Initiative™ (ZDI) uncovered both state-sponsored and cybercriminal groups extensively exploiting ZDI-CAN-25373 (aka ZDI-25-148), a Windows .lnk file vulnerability that enables hidden command execution.

ZDI-CAN-25373: Windows Shortcut Exploit Abused as Zero-Day in Widespread APT Campaigns

Trend Zero Day Initiative™ (ZDI) uncovered both state-sponsored and cybercriminal groups extensively exploiting ZDI-CAN-25373 (aka ZDI-25-148), a Windows .lnk file vulnerability that enables hidden command execution.

Apache Tomcat Vulnerability Actively Exploited Just 30 Hours After Public Disclosure

A recently disclosed security flaw impacting Apache Tomcat has come under active exploitation in the wild following the release of a public proof-of-concept (PoC) a mere 30 hours after public disclosure. The vulnerability, tracked as CVE-2025-24813, affects the below versions – Apache Tomcat 11.0.0-M1 to 11.0.2 Apache Tomcat 10.1.0-M1 to 10.1.34 Apache Tomcat 9.0.0-M1 to…

Immutable Cybersecurity Law #12

  “Never underestimate the simplicity of the attackers, nor the gullibility of the victims.” Cyberattacks don’t always rely on sophisticated exploits or advanced malware. In reality, many of the most successful breaches stem from simple tactics like phishing emails, social engineering, and exploiting basic security misconfigurations. Complexity isn’t a prerequisite for effectiveness — attackers often favor the…

Cybercriminals Exploit CSS to Evade Spam Filters and Track Email Users’ Actions

Malicious actors are exploiting Cascading Style Sheets (CSS), which are used to style and format the layout of web pages, to bypass spam filters and track users’ actions. That’s according to new findings from Cisco Talos, which said such malicious activities can compromise a victim’s security and privacy. “The features available in CSS allow attackers…

⚡ THN Weekly Recap: Router Hacks, PyPI Attacks, New Ransomware Decryptor, and More

From sophisticated nation-state campaigns to stealthy malware lurking in unexpected places, this week’s cybersecurity landscape is a reminder that attackers are always evolving. Advanced threat groups are exploiting outdated hardware, abusing legitimate tools for financial fraud, and finding new ways to bypass security defenses. Meanwhile, supply chain threats are on the rise, with open-source

AI development pipeline attacks expand CISOs’ software supply chain risk

Widespread flaws in open-source and third-party commercial software along with malicious campaigns targeting AI development pipelines are exacerbating software supply chain security problems. Incidents of exposed development secrets via publicly accessible, open-source packages rose 12% last year compared to 2023, according to ReversingLabs (RL). A scan of 30 of the most popular open-source packages found…

Report on ransomware attacks on Fortinet firewalls also reveals possible defenses

A new ransomware gang is quickly exploiting two authentication bypass vulnerabilities in Fortinet firewalls, researchers say. The researchers at Forescout outlined recent attacks by the gang in a report this week, saying the gang, which it dubs Mora_001, takes advantage of unpatched firewalls to deploy a new ransomware strain, nicknamed SuperBlack, that closely resembles  LockBit…

ClickFix: How to Infect Your PC in Three Easy Steps

A clever malware deployment scheme first spotted in targeted attacks last year has now gone mainstream. In this scam, dubbed “ClickFix,” the visitor to a hacked or malicious website is asked to distinguish themselves from bots by pressing a combination of keyboard keys that causes Microsoft Windows to download password-stealing malware. ClickFix attacks mimic the…

One PUT Request to Own Tomcat: CVE-2025-24813 RCE is in the Wild

A devastating new remote code execution (RCE) vulnerability, CVE-2025-24813, is now actively exploited in the wild. Attackers need just one PUT API request to take over vulnerable Apache Tomcat servers. The exploit, originally published by a Chinese forum user iSee857, is already available online: CVE-2025-24813 PoC by iSee857. Exploit Breakdown: How a Simple PUT Request…

CyberArk Report Points to Machine Identity Security Risks

Security vendor CyberArk today released its 2025 State of Machine Identity Security Report. The research, based on a survey of 1,200 security leaders across the USA, UK, Australia, France, Germany and Singapore, shows the growing gap between machine identity creation and appropriate security measures accounting for those identities. CyberArk’s SVP of Innovation Kevin Bocek shared…

Meta Warns of FreeType Vulnerability (CVE-2025-27363) With Active Exploitation Risk

Meta has warned that a security vulnerability impacting the FreeType open-source font rendering library may have been exploited in the wild. The vulnerability has been assigned the CVE identifier CVE-2025-27363, and carries a CVSS score of 8.1, indicating high severity. Described as an out-of-bounds write flaw, it could be exploited to achieve remote code execution…

Generative AI red teaming: Tips and techniques for putting LLMs to the test

Red teaming is a time-proven approach to testing and bolstering cybersecurity systems, but it has always needed to evolve alongside technology. The explosion of generative AI and large language models (LLMs) in recent years is only the latest innovation to come along and force the red-teaming world to adapt. Its importance is underscored by the…

Legislative push for child online safety runs afoul of encryption advocates (again)

Two members of the Senate Judiciary Committee are preparing to introduce  a bipartisan bill that would mandate tech companies to more swiftly report and remove child sexual abuse material hosted on their platforms, but critics warn it could result in the weakening or elimination of encrypted messaging services that many Americans rely on. The Stop…

SAP patches severe vulnerabilities in NetWeaver and Commerce apps

SAP has patched high-severity vulnerabilities in its Commerce and NetWeaver enterprise software packages. The updates came as part of 25 security patches released on Tuesday for the latest edition of SAP’s monthly patch release cycle. SAP Security Note #3563927 addresses a critical vulnerability in transaction SA38 SAP NetWeaver Application Server ABAP. If successfully exploited, the…

Chinese cyberespionage group deploys custom backdoors on Juniper routers

A Chinese cyberespionage group with a history of exploiting proprietary network-edge devices and developing custom malware for them has also been targeting enterprise and ISP-grade Juniper MX Series routers, according to a report by Google’s Mandiant team. The attackers were able to bypass the file integrity protections of Junos OS, the FreeBSD-based operating system used…

Over 400 IPs Exploiting Multiple SSRF Vulnerabilities in Coordinated Cyber Attack

Threat intelligence firm GreyNoise is warning of a “coordinated surge” in the exploitation of Server-Side Request Forgery (SSRF) vulnerabilities spanning multiple platforms. “At least 400 IPs have been seen actively exploiting multiple SSRF CVEs simultaneously, with notable overlap between attack attempts,” the company said, adding it observed the activity on March 9, 2025. The countries…

Microsoft patches privilege escalation flaw exploited since 2023

Microsoft has released fixes for 57 vulnerabilities in this month’s patch cycle, including for six flaws that have signs of in-the-wild exploitation or disclosure. One of the zero-day exploits has been used in attacks since 2023 as part of a campaign with a backdoor called PipeMagic. None of the six zero-day flaws are rated as…

March Patch Tuesday warnings: Act fast to plug zero day holes in Windows, VMware

CISOs need to lean on their admins to plug zero day vulnerabilities in Windows and VMware products as soon as possible, before they are widely exploited. In addition, Windows admins need to be aware of a vulnerability that already has a publicly-available proof of concept exploit that threat actors are sure to jump on. Finally,…

Microsoft: 6 Zero-Days in March 2025 Patch Tuesday

Microsoft today issued more than 50 security updates for its various Windows operating systems, including fixes for a whopping six zero-day vulnerabilities that are already seeing active exploitation. Two of the zero-day flaws include CVE-2025-24991 and CVE-2025-24993, both vulnerabilities in NTFS, the default file system for Windows and Windows Server. Both require the attacker to…

Microsoft patches 57 vulnerabilities, including 6 zero-days

Microsoft patched 57 vulnerabilities affecting its foundational systems and core products, including six actively exploited zero-day vulnerabilities, the company said in its latest security update Tuesday. Four of the six zero-days, which were all added to the Cybersecurity and Infrastructure Security Agency’s known exploited vulnerabilities catalog, are high-severity on the CVSS scale.  The software defects…

Ivanti EPM vulnerabilities actively exploited in the wild, CISA warns

The US Cybersecurity and Infrastructure Security agency has added three vulnerabilities in Ivanti Endpoint Manager (EPM) to its known exploited vulnerabilities (KEV) catalog signaling they’ve seen in-the-wild exploitation. The flaws received patches in January after being reported privately to Ivanti by the researcher who found them. The three vulnerabilities, tracked as CVE-2024-13159, CVE-2024-13160, and CVE-2024-13161…

Apple discloses zero-day vulnerability, releases emergency patches

Apple released emergency software patches Tuesday that address a newly identified zero-day vulnerability in the company’s WebKit web browser engine.  Tracked as CVE-2025-24201, an attacker can potentially escape the constraints of Webkit’s Web Content sandbox, potentially leading to unauthorized actions. The sandbox is a security feature that isolates untrusted web content in order to prevent…

#StopRansomware: Medusa Ransomware

Summary Note: This joint Cybersecurity Advisory is part of an ongoing #StopRansomware effort to publish advisories for network defenders detailing various ransomware variants and ransomware threat actors. These #StopRansomware advisories include recently and historically observed tactics, techniques, and procedures (TTPs) and indicators of compromise (IOCs) to help organizations protect against ransomware. Visit stopransomware.gov to see…

Splashtop Introduces New Endpoint Solution

Remote access and support solutions provider Splashtop recently announced a new autonomous endpoint management (AEM) solution for remote support users. This solution will boost efficiencies, visibility, and control over network devices. AEM the latest to join Splashtop’s AI-powered automation portfolio The AEM solution complements Microsoft Intune by providing automation features to lean IT teams. These…

Ballista Botnet Exploits Unpatched TP-Link Vulnerability, Infects Over 6,000 Devices

Unpatched TP-Link Archer routers have become the target of a new botnet campaign dubbed Ballista, according to new findings from the Cato CTRL team. “The botnet exploits a remote code execution (RCE) vulnerability in TP-Link Archer routers (CVE-2023-1389) to spread itself automatically over the Internet,” security researchers Ofek Vardi and Matan Mittelman said in a…

Companies are drowning in high-risk software security debt — and the breach outlook is getting worse

Organizations are taking longer to fix security flaws in their software, and the security debt involved is becoming increasingly critical as a result. According to application security vendor Veracode’s latest State of Software Security report, the average fix time for security flaws has increased from 171 days to 252 days over the past five years.…

CISA Adds Five Actively Exploited Vulnerabilities in Advantive VeraCore and Ivanti EPM to KEV List

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added five security flaws impacting Advantive VeraCore and Ivanti Endpoint Manager (EPM) to its Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation in the wild. The list of vulnerabilities is as follows – CVE-2024-57968 – An unrestricted file upload vulnerability in Advantive…

Multiple vulnerabilities found in ICONICS industrial SCADA software

A popular set of SCADA software systems used in critical infrastructure around the world suffered from at least five known vulnerabilities that could have allowed for privilege escalation, DLL hijacking and the ability to modify critical files. The vulnerabilities were found within a suite of software made by ICONICS, which claims on its website that…

Ransomware poseurs are trying to extort businesses through physical letters

The FBI and threat researchers are warning executives to be on the lookout for physical letters in the mail threatening to leak sensitive corporate data.  The letters, which are stamped “time sensitive read immediately” and shipped directly to executives through the Postal Service, are part of a nationwide scam designed to extort victims into paying…

Linux, macOS users infected with malware posing as legitimate Go packages

In a new typosquatting campaign, threat actors are seen using malicious Go packages posing as popular libraries to install malware on unsuspecting Linux and macOS systems. Researchers from the software supply chain cybersecurity platform, Socket, found seven packages impersonating widely used Go libraries like Hypert and Layout to trick developers. “These packages share repeated malicious…

PHP-CGI RCE Flaw Exploited in Attacks on Japan’s Tech, Telecom, and E-Commerce Sectors

Threat actors of unknown provenance have been attributed to a malicious campaign predominantly targeting organizations in Japan since January 2025. “The attacker has exploited the vulnerability CVE-2024-4577, a remote code execution (RCE) flaw in the PHP-CGI implementation of PHP on Windows, to gain initial access to victim machines,” Cisco Talos researcher Chetan Raghuprasad said in…

11 ruinöse Ransomware-Bedrohungen

Für Unternehmen ist Ransomware weiterhin eine existenzielle Bedrohung, für Kriminelle ein immer einträglicheres (Service)geschäft. Gonin | shutterstock.com Ransomware bleibt branchenübergreifend auf dem Vormarsch und entwickelt sich beständig weiter – vereinzelten behördlichen Erfolgen zum Trotz. Das ist unter anderem auch folgenden Trends zuzuschreiben: Ransomware-as-a-Service (RaaS)-Angebote senken die Zugangsbarrieren. Neue Erpressungstaktiken versprechen noch mehr kriminelle Gewinne. Künstliche…

Silk Typhoon shifted to specifically targeting IT management companies

The Chinese state-backed threat group Silk Typhoon shifted tactics in late 2024 to broaden access and enable follow-on attacks against downstream customers of its initial targets, Microsoft Threat Intelligence said in a blog released Wednesday.  The Chinese espionage group, which is also known as APT27, has abused stolen API keys and credentials for privileged access…

Ransomware goes postal: US healthcare firms receive fake extortion letters

In late February, healthcare organizations across the US started receiving extortion demands by mail claiming that their organization’s data had been stolen in a ransomware attack and giving them 10 days to respond. According to the letters, printed on paper and delivered in envelopes purporting to be from the BianLian ransomware group, the data would…

Anorexia coaches, self-harm buddies and sexualized minors: How online communities are using AI chatbots for harmful behavior 

The generative AI revolution is leading to an explosion of chatbot personas that are specifically designed to promote harmful behaviors like anorexia, suicidal ideation and pedophilia, according to a new report from Graphika. Graphika’s research focuses on three distinct chatbot personas that have become particularly popular online: those portraying sexualized minors, advocates for eating disorders…

Critical vulnerabilities expose network security risks in Keysight’s infrastructure

Keysight Technologies’ Ixia Vision product family has been found to contain critical security vulnerabilities that could allow remote attackers to compromise affected devices. According to a newly issued alert from the Cybersecurity and Infrastructure Security Agency (CISA), these flaws expose the devices to risks such as remote code execution, unauthorized file downloads, and system crashes,…

The dirty dozen: 12 worst ransomware groups active today

Ransomware-as-a-service (RaaS) models, double extortion tactics, and increasing adoption of AI characterize the evolving ransomware threat landscape. Law enforcement takedowns of groups such as LockBit have contributed to making the ransomware marketplace more fragmented, with emergent players attempting to muscle in on the action. Attackers range from nation-state actors to RaaS operations, lone operators, and…