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UNC5221 Uses BRICKSTORM Backdoor to Infiltrate U.S. Legal and Technology Sectors

UNC5221 Uses BRICKSTORM Backdoor to Infiltrate U.S. Legal and Technology Sectors

Sep 24, 2025 Cyber Espionage / Threat Intelligence
Companies in the legal services, software-as-a-service (SaaS) providers, Business Process Outsourcers (BPOs), and technology sectors in the U.S. have been targeted by a suspected China-nexus cyber espionage group to deliver a known backdoor referred to as BRICKSTORM . The activity, attributed to UNC5221 and closely related, suspected China-nexus threat clusters, is designed to facilitate persistent access to victim organizations for over a year, Mandiant and Google Threat Intelligence Group (GTIG) said in a new report shared with The Hacker News. It's assessed that the objective of BRICKSTORM targeting SaaS providers is to gain access to downstream customer environments or the data SaaS providers host on their customers' behalf, while the targeting of the U.S. legal and technological spheres is likely an attempt to gather information related to national security and international trade, as well as steal intellectual property to advance the development of zero-day exploits. ...
Two Critical Flaws Uncovered in Wondershare RepairIt Exposing User Data and AI Models

Two Critical Flaws Uncovered in Wondershare RepairIt Exposing User Data and AI Models

Sep 24, 2025 Vulnerability / AI Security
Cybersecurity researchers have disclosed two security flaws in Wondershare RepairIt that exposed private user data and potentially exposed the system to artificial intelligence (AI) model tampering and supply chain risks. The critical-rated vulnerabilities in question, discovered by Trend Micro, are listed below - CVE-2025-10643 (CVSS score: 9.1) - An authentication bypass vulnerability that exists within the permissions granted to a storage account token CVE-2025-10644 (CVSS score: 9.4) - An authentication bypass vulnerability that exists within the permissions granted to an SAS token Successful exploitation of the two flaws can allow an attacker to circumvent authentication protection on the system and launch a supply chain attack, ultimately resulting in the execution of arbitrary code on customers' endpoints. Trend Micro researchers Alfredo Oliveira and David Fiser said the AI-powered data repair and photo editing application "contradicted its privacy policy by...
How One Bad Password Ended a 158-Year-Old Business

How One Bad Password Ended a 158-Year-Old Business

Sep 24, 2025 Password Security / IT Compliance
Most businesses don't make it past their fifth birthday - studies show that  roughly 50% of small businesses fail within the first five years. So when  KNP Logistics Group (formerly Knights of Old) celebrated more than a century and a half of operations, it had mastered the art of survival. For 158 years, KNP adapted and endured, building a transport business that operated 500 trucks across the UK. But in June 2025, one easily guessed password brought down the company in a matter of days. The Northamptonshire-based firm  fell victim to the Akira ransomware group after hackers gained access by guessing an employee's weak password. Attackers didn't need a sophisticated phishing campaign or a zero-day exploit - all they needed was a password so simple that cybercriminals could guess it correctly. When basic security fails, everything falls No matter what advanced security mechanisms your organization has in place, everything falls if basic security measures fail. In ...
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New YiBackdoor Malware Shares Major Code Overlaps with IcedID and Latrodectus

New YiBackdoor Malware Shares Major Code Overlaps with IcedID and Latrodectus

Sep 24, 2025 Malware / Windows Security
Cybersecurity researchers have disclosed details of a new malware family dubbed YiBackdoor that has been found to share "significant" source code overlaps with IcedID and Latrodectus . "The exact connection to YiBackdoor is not yet clear, but it may be used in conjunction with Latrodectus and IcedID during attacks," Zscaler ThreatLabz said in a Tuesday report. "YiBackdoor is able to execute arbitrary commands, collect system information, capture screenshots, and deploy plugins that dynamically expand the malware's functionality." The cybersecurity company said it first identified the malware in June 2025, adding it may be serving as a precursor to follow-on exploitation, such as facilitating initial access for ransomware attacks. Only limited deployments of YiBackdoor have been detected to date, indicating it's currently either under development or being tested. Given the similarities between YiBackdoor, IcedID, and Latrodectus, it's b...
iframe Security Exposed: The Blind Spot Fueling Payment Skimmer Attacks

iframe Security Exposed: The Blind Spot Fueling Payment Skimmer Attacks

Sep 24, 2025 Payment Security / Web Security
Think payment iframes are secure by design? Think again. Sophisticated attackers have quietly evolved malicious overlay techniques to exploit checkout pages and steal credit card data by bypassing the very security policies designed to stop them. Download the complete iframe security guide here .  TL;DR: iframe Security Exposed Payment iframes are being actively exploited by attackers using malicious overlays to skim credit card data. These pixel-perfect fake forms bypass traditional security, as proven by a recent Stripe campaign that has already compromised dozens of merchants. This article explores: Anatomy of the 2024 Stripe skimmer attack. Why old defenses like CSP and X-Frame-Options are failing. Modern attack vectors: overlays, postMessage spoofing, and CSS exfiltration. How third-party scripts in payment iframes create new risks. How the new PCI DSS 4.0.1 rules are forcing merchants to secure the entire page. A six-step defense strategy focusing on real-time mon...
Hackers Exploit Pandoc CVE-2025-51591 to Target AWS IMDS and Steal EC2 IAM Credentials

Hackers Exploit Pandoc CVE-2025-51591 to Target AWS IMDS and Steal EC2 IAM Credentials

Sep 24, 2025 Vulnerability / Cloud Security
Cloud security company Wiz has revealed that it uncovered in-the-wild exploitation of a security flaw in a Linux utility called Pandoc as part of attacks designed to infiltrate Amazon Web Services (AWS) Instance Metadata Service (IMDS). The vulnerability in question is CVE-2025-51591 (CVSS score: 6.5), which refers to a case of Server-Side Request Forgery (SSRF) that allows attackers to compromise a target system by injecting a specially crafted HTML iframe element. The EC2 IMDS is a crucial component of the AWS cloud environment, offering information about running instances, as well as temporary, short-lived credentials if an identity and access management (IAM) role is associated with the instance. The instance metadata is accessible to any application running on an EC2 instance via a link-local address (169.254.169[.]254). These credentials can then be used to securely interact with other AWS services like S3, RDS, or DynamoDB, permitting applications to authenticate without...
State-Sponsored Hackers Exploiting Libraesva Email Security Gateway Vulnerability

State-Sponsored Hackers Exploiting Libraesva Email Security Gateway Vulnerability

Sep 24, 2025 Vulnerability / Email Security
Libraesva has released a security update to address a vulnerability in its Email Security Gateway (ESG) solution that it said has been exploited by state-sponsored threat actors. The vulnerability, tracked as CVE-2025-59689 , carries a CVSS score of 6.1, indicating medium severity. "Libraesva ESG is affected by a command injection flaw that can be triggered by a malicious email containing a specially crafted compressed attachment, allowing potential execution of arbitrary commands as a non-privileged user," Libraesva said in an advisory. "This occurs due to an improper sanitization during the removal of active code from files contained in some compressed archive formats." In a hypothetical attack scenario, an attacker could exploit the flaw by sending an email containing a specially crafted compressed archive, allowing a threat actor to leverage the application's improper sanitization logic to ultimately execute arbitrary shell commands. The shortcoming ...
Two New Supermicro BMC Bugs Allow Malicious Firmware to Evade Root of Trust Security

Two New Supermicro BMC Bugs Allow Malicious Firmware to Evade Root of Trust Security

Sep 23, 2025 Firmware Security / Vulnerability
Cybersecurity researchers have disclosed details of two security vulnerabilities impacting Supermicro Baseboard Management Controller (BMC) firmware that could potentially allow attackers to bypass crucial verification steps and update the system with a specially crafted image. The medium-severity vulnerabilities , both of which stem from improper verification of a cryptographic signature, are listed below - CVE-2025-7937 (CVSS score: 6.6) - A crafted firmware image can bypass the Supermicro BMC firmware verification logic of Root of Trust ( RoT ) 1.0 to update the system firmware by redirecting the program to a fake "fwmap" table in the unsigned region CVE-2025-6198 (CVSS score: 6.4) - A crafted firmware image can bypass the Supermicro BMC firmware verification logic of the Signing Table to update the system firmware by redirecting the program to a fake signing table ("sig_table") in the unsigned region The image validation process carried out during a fi...
Eurojust Arrests 5 in €100M Cryptocurrency Investment Fraud Spanning 23 Countries

Eurojust Arrests 5 in €100M Cryptocurrency Investment Fraud Spanning 23 Countries

Sep 23, 2025 Financial Crime / Cryptocurrency
Law enforcement authorities in Europe have arrested five suspects in connection with an "elaborate" online investment fraud scheme that stole more than €100 million ($118 million) from over 100 victims in France, Germany, Italy, and Spain. According to Eurojust , the coordinated action saw searches in five places across Spain and Portugal, as well as in Italy, Romania and Bulgaria. Bank accounts and other financial assets associated with the cybercrime ring were frozen. The main perpetrator behind the operation has been accused of large-scale fraud and money laundering by running an online investment platform for several years, tricking unsuspecting individuals into parting with their funds by promising them high returns on investments in various cryptocurrencies. Once the deposits were made, the funds were transferred to bank accounts in Lithuania to launder them. Victims who attempted to withdraw their assets from the platform were asked to pay additional fees, after wh...
U.S. Secret Service Seizes 300 SIM Servers, 100K Cards Threatening U.S. Officials Near UN

U.S. Secret Service Seizes 300 SIM Servers, 100K Cards Threatening U.S. Officials Near UN

Sep 23, 2025 National Security / Threat Intelligence
The U.S. Secret Service on Tuesday said it took down a network of electronic devices located across the New York tri-state area that were used to threaten U.S. government officials and posed an imminent threat to national security. "This protective intelligence investigation led to the discovery of more than 300 co-located SIM servers and 100,000 SIM cards across multiple sites," the Secret Service said . The devices were concentrated within a 35-mile (56 km) radius of the global meeting of the United Nations General Assembly in New York City. An investigation into the incident has been launched by the Secret Service's Advanced Threat Interdiction Unit. Aside from issuing anonymous telephonic threats, the sophisticated devices could be weaponized to conduct various attacks on the telecommunications infrastructure, including disabling cell phone towers, triggering a denial-of-service, and facilitating encrypted communication between potential threat actors and criminal...
SolarWinds Releases Hotfix for Critical CVE-2025-26399 Remote Code Execution Flaw

SolarWinds Releases Hotfix for Critical CVE-2025-26399 Remote Code Execution Flaw

Sep 23, 2025 Vulnerability / Data Security
SolarWinds has released hot fixes to address a critical security flaw impacting its Web Help Desk software that, if successfully exploited, could allow attackers to execute arbitrary commands on susceptible systems. The vulnerability, tracked as CVE-2025-26399 (CVSS score: 9.8), has been described as an instance of deserialization of untrusted data that could result in code execution. It affects SolarWinds Web Help Desk 12.8.7 and all previous versions. "SolarWinds Web Help Desk was found to be susceptible to an unauthenticated AjaxProxy deserialization remote code execution vulnerability that, if exploited, would allow an attacker to run commands on the host machine," SolarWinds said in an advisory released on September 17, 2025. An anonymous researcher working with the Trend Micro Zero Day Initiative (ZDI) has been credited with discovering and reporting the flaw. SolarWinds said CVE-2025-26399 is a patch bypass for CVE-2024-28988 (CVSS score: 9.8), which, in turn, ...
Lean Teams, Higher Stakes: Why CISOs Must Rethink Incident Remediation

Lean Teams, Higher Stakes: Why CISOs Must Rethink Incident Remediation

Sep 23, 2025 DevOps Security / Cloud Security
Big companies are getting smaller, and their CEOs want everyone to know it . Wells Fargo has cut its workforce by 23% over five years, Bank of America has shed 88,000 employees since 2010, and Verizon's CEO recently boasted that headcount is "going down all the time." What was once a sign of corporate distress has become a badge of honor, with executives celebrating lean operations and AI-driven efficiency. But while C-suite leaders tout "doing more with less," CISOs are left with fewer resources, while every preventable security incident becomes exponentially costlier. With security teams already stretched thin and developer-to-security ratios reaching unsustainable levels, these workforce reductions push already distressed teams past their breaking point. Against this backdrop of workforce optimization, hardcoded secrets represent a particularly dangerous blind spot that can no longer be managed through manual processes and reactive firefighting. The Number...
ShadowV2 Botnet Exploits Misconfigured AWS Docker Containers for DDoS-for-Hire Service

ShadowV2 Botnet Exploits Misconfigured AWS Docker Containers for DDoS-for-Hire Service

Sep 23, 2025 Botnet / Cloud Security
Cybersecurity researchers have disclosed details of a new botnet that customers can rent access to conduct distributed denial-of-service (DDoS) attacks against targets of interest. The ShadowV2 botnet, according to Darktrace, predominantly targets misconfigured Docker containers on Amazon Web Services (AWS) cloud servers to deploy a Go-based malware that turns infected systems into attack nodes and co-opt them into a larger DDoS botnet. The cybersecurity company said it detected the malware targeting its honeypots on June 24, 2025. "At the center of this campaign is a Python-based command-and-control (C2) framework hosted on GitHub Codespaces," security researcher Nathaniel Bill said in a report shared with The Hacker News. "What sets this campaign apart is the sophistication of its attack toolkit. The threat actors employ advanced methods such as HTTP/2 Rapid Reset , a Cloudflare under attack mode ( UAM ) bypass, and large-scale HTTP floods, demonstrating a capabi...
GitHub Mandates 2FA and Short-Lived Tokens to Strengthen npm Supply Chain Security

GitHub Mandates 2FA and Short-Lived Tokens to Strengthen npm Supply Chain Security

Sep 23, 2025 Supply Chain Attack / Malware
GitHub on Monday announced that it will be changing its authentication and publishing options "in the near future" in response to a recent wave of supply chain attacks targeting the npm ecosystem, including the Shai-Hulud attack . This includes steps to address threats posed by token abuse and self-replicating malware by allowing local publishing with required two-factor authentication (2FA), granular tokens that will have a limited lifetime of seven days, and trusted publishing , which enables the ability to securely publish npm packages directly from CI/CD workflows using OpenID Connect (OIDC). Trusted publishing, besides eliminating the need for npm tokens, establishes cryptographic trust by authenticating each publish using short-lived, workflow-specific credentials that cannot be exfiltrated or reused. Even more significantly, the npm CLI automatically generates and publishes provenance attestations for the package. "Every package published via trusted publi...
BadIIS Malware Spreads via SEO Poisoning — Redirects Traffic, Plants Web Shells

BadIIS Malware Spreads via SEO Poisoning — Redirects Traffic, Plants Web Shells

Sep 23, 2025 SEO Poisoning / Malware
Cybersecurity researchers are calling attention to a search engine optimization (SEO) poisoning campaign likely undertaken by a Chinese-speaking threat actor using a malware called BadIIS in attacks targeting East and Southeast Asia, particularly with a focus on Vietnam. The activity, dubbed Operation Rewrite , is being tracked by Palo Alto Networks Unit 42 under the moniker CL-UNK-1037, where "CL" stands for cluster and "UNK" refers to unknown motivation. The threat actor has been found to share infrastructure and architectural overlaps with an entity referred to as Group 9 by ESET and DragonRank . "To perform SEO poisoning, attackers manipulate search engine results to trick people into visiting unexpected or unwanted websites (e.g., gambling and porn websites) for financial gain," security researcher Yoav Zemah said . "This attack used a malicious native Internet Information Services ( IIS ) module called BadIIS." BadIIS is designed to i...
ComicForm and SectorJ149 Hackers Deploy Formbook Malware in Eurasian Cyberattacks

ComicForm and SectorJ149 Hackers Deploy Formbook Malware in Eurasian Cyberattacks

Sep 22, 2025 Malware / Data Theft
Organizations in Belarus, Kazakhstan, and Russia have emerged as the target of a phishing campaign undertaken by a previously undocumented hacking group called ComicForm since at least April 2025. The activity primarily targeted industrial, financial, tourism, biotechnology, research, and trade sectors, cybersecurity company F6 said in an analysis published last week. The attack chain involves sending emails bearing subject lines like "Waiting for the signed document," "INvoice for Payment," or "Reconciliation Act for Signature," urging recipients to open an RR archive, within which there exists a Windows executable that masquerades as a PDF document (e.g., "Акт_сверки pdf 010.exe"). The messages, written in Russian or English, are sent from email addresses registered in the .ru, .by, and .kz top-level domains. The executable is an obfuscated .NET loader designed to launch a malicious DLL ("MechMatrix Pro.dll"), which subsequently...
⚡ Weekly Recap: Chrome 0-Day, AI Hacking Tools, DDR5 Bit-Flips, npm Worm & More

⚡ Weekly Recap: Chrome 0-Day, AI Hacking Tools, DDR5 Bit-Flips, npm Worm & More

Sep 22, 2025
The security landscape now moves at a pace no patch cycle can match. Attackers aren't waiting for quarterly updates or monthly fixes—they adapt within hours, blending fresh techniques with old, forgotten flaws to create new openings. A vulnerability closed yesterday can become the blueprint for tomorrow's breach. This week's recap explores the trends driving that constant churn: how threat actors reuse proven tactics in unexpected ways, how emerging technologies widen the attack surface, and what defenders can learn before the next pivot. Read on to see not just what happened, but what it means—so you can stay ahead instead of scrambling to catch up. ⚡ Threat of the Week Google Patches Actively Exploited Chrome 0-Day — Google released security updates for the Chrome web browser to address four vulnerabilities, including one that it said has been exploited in the wild. The zero-day vulnerability, CVE-2025-10585, has been described as a type confusion issue in the V8 JavaScript ...
How to Gain Control of AI Agents and Non-Human Identities

How to Gain Control of AI Agents and Non-Human Identities

Sep 22, 2025 AI Security / Cloud Security
We hear this a lot: "We've got hundreds of service accounts and AI agents running in the background. We didn't create most of them. We don't know who owns them. How are we supposed to secure them?" Every enterprise today runs on more than users. Behind the scenes, thousands of non-human identities, from service accounts to API tokens to AI agents, access systems, move data, and execute tasks around the clock. They're not new. But they're multiplying fast. And most weren't built with security in mind. Traditional identity tools assume intent, context, and ownership. Non-human identities have none of those. They don't log in and out. They don't get offboarded. And with the rise of autonomous agents, they're beginning to make their own decisions, often with broad permissions and little oversight. It's already creating new blind spots. But we're only at the beginning. In this post, we'll look at how non-human identity risk is evolving, where most organizations are still exposed, and...
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