Tag: malicious
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Researchers Uncover GPTPowered MalTerminal Malware Creating Ransomware, Reverse Shell
Cybersecurity researchers have discovered what they say is the earliest example known to date of a malware with that bakes in Large Language Model (LLM) capabilities.The malware has been codenamed MalTerminal by SentinelOne SentinelLABS research team. The findings were presented at the LABScon 2025 security conference.In a report examining the malicious use of LLMs, the…
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FBI warns of cybercriminals using fake FBI crime reporting portals
The FBI warned today that cybercriminals are impersonating its Internet Crime Complaint Center (IC3) website in what the law enforcement agency described as “possible malicious activity.” First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/fbi-warns-of-fake-fbi-crime-complaint-portals-used-for-cybercrime/
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CISA Alerts of Hackers Targeting Ivanti Endpoint Manager Mobile Vulnerabilities to Distribute Malware
Cyber threat actors have weaponized two critical Ivanti Endpoint Manager Mobile (EPMM) vulnerabilities”, CVE-2025-4427 and CVE-2025-4428″, to deploy sophisticated malicious loaders and listeners on compromised servers. The malware consists of two sets of components: Loader 1 (web-install.jar, ReflectUtil.class, SecurityHandlerWanListener.class) and Loader 2 (web-install.jar, WebAndroidAppInstaller.class), both designed to inject arbitrary code and maintain persistence on Apache…
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SystemBC Botnet Compromises 1,500 VPS Every Day to Rent Out for DDoS Attacks
SystemBC, a resilient socks5 malware network first spotted in 2019, has dramatically evolved its proxy infrastructure by compromising an average of 1,500 virtual private servers (VPS) each day. This shift from residential devices to large-scale VPS nodes grants threat actors unprecedented bandwidth and longevity for malicious traffic, enabling sustained distributed denial-of-service (DDoS) and brute-force operations…
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SystemBC Botnet Compromises 1,500 VPS Every Day to Rent Out for DDoS Attacks
SystemBC, a resilient socks5 malware network first spotted in 2019, has dramatically evolved its proxy infrastructure by compromising an average of 1,500 virtual private servers (VPS) each day. This shift from residential devices to large-scale VPS nodes grants threat actors unprecedented bandwidth and longevity for malicious traffic, enabling sustained distributed denial-of-service (DDoS) and brute-force operations…
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CISA Warns of Two Malware Strains Exploiting Ivanti EPMM CVE-2025-4427 and CVE-2025-4428
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday released details of two sets of malware that were discovered in an unnamed organization’s network following the exploitation of security flaws in Ivanti Endpoint Manager Mobile (EPMM).”Each set contains loaders for malicious listeners that enable cyber threat actors to run arbitrary code on the compromised…
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Meet ShadowLeak: ‘Impossible to detect’ data theft using AI
Tags: ai, attack, business, ciso, cybersecurity, data, data-breach, email, exploit, gartner, governance, injection, LLM, malicious, RedTeam, resilience, risk, sans, service, sql, supply-chain, technology, theft, tool, update, vulnerabilityWhat CSOs should do: To blunt this kind of attack, he said CSOs should:treat AI agents as privileged actors: apply the same governance used for a human with internal resource access;separate ‘read’ from ‘act’ scopes and service accounts, and where possible sanitize inputs before LLM (large language model) ingestion. Strip/neutralize hidden HTML, flatten to safe…
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SystemBC malware turns infected VPS systems into proxy highway
The operators of the SystemBC proxy botnet are hunting for vulnerable commercial virtual private servers (VPS) and maintain an average of 1,500 bots every day that provide a highway for malicious traffic. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/systembc-malware-turns-infected-vps-systems-into-proxy-highway/
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New ‘shinysp1d3r’ Ransomware-as-a-Service Targets VMware ESXi in Ongoing Development
EclecticIQ analysts assess with high confidence that ShinyHunters is expanding its operations by combining AI-enabled voice phishing, supply chain compromises, and leveraging malicious insiders, such as employees or contractors, who can provide direct access to enterprise networks. ShinyHunters is very likely relying on members of Scattered Spider and The Com to conduct voice phishing attacks…
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SilentSync RAT Delivered via Two Malicious PyPI Packages Targeting Python Developers
Cybersecurity researchers have discovered two new malicious packages in the Python Package Index (PyPI) repository that are designed to deliver a remote access trojan called SilentSync on Windows systems.”SilentSync is capable of remote command execution, file exfiltration, and screen capturing,” Zscaler ThreatLabz’s Manisha Ramcharan Prajapati and Satyam Singh said. “SilentSync also extracts First seen on…
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New ‘shinysp1d3r’ Ransomware-as-a-Service Targets VMware ESXi in Ongoing Development
EclecticIQ analysts assess with high confidence that ShinyHunters is expanding its operations by combining AI-enabled voice phishing, supply chain compromises, and leveraging malicious insiders, such as employees or contractors, who can provide direct access to enterprise networks. ShinyHunters is very likely relying on members of Scattered Spider and The Com to conduct voice phishing attacks…
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Hackers Target Facebook Accounts in Latest Phishing Attack
A newly discovered phishing campaign is exploiting Facebook’s external URL warning feature to dupe users into handing over their login credentials. By abusing Facebook’s “You’re about to leave Facebook” redirect mechanism, attackers can conceal malicious URLs behind the social media giant’s official domain and graphic style”, making the lure appear bona fide even to cautious…
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Open-Source Tool Greenshot Hit by Severe Code Execution Vulnerability
A security vulnerability has been discovered in Greenshot, the widely used open-source screenshot tool for Windows. The Greenshot vulnerability exposes to the risk of arbitrary code execution, potentially allowing attackers to bypass established security protocols and launch further malicious activities. A proof-of-concept (PoC) exploit has already been released, drawing attention to the critical nature of…
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Windows Greenshot Vulnerability Lets Attackers Execute Malicious Code PoC Published
A critical security vulnerability in the popular Greenshot screenshot utility has been discovered that allows local attackers to execute arbitrary malicious code within the trusted application process. The vulnerability, tracked asCVE-2025-59050, affects Greenshot versions up to 1.3.300 and has been patched in version 1.3.301 released on September 16, 2025. Greenshot image editor interface showing capture…
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Malicious Typosquatted PyPI Packages Spreading SilentSync RAT
On August 4, 2025, Zscaler ThreatLabz uncovered two malicious Python packages”, sisaws and secmeasure”, that deliver SilentSync, a Python-based remote access trojan (RAT), to unsuspecting developers. Both packages leverage typosquatting to impersonate legitimate libraries in the Python Package Index (PyPI), posing a serious supply-chain risk to projects that install them. SilentSync’s versatile capabilities include remote…
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Malicious Typosquatted PyPI Packages Spreading SilentSync RAT
On August 4, 2025, Zscaler ThreatLabz uncovered two malicious Python packages”, sisaws and secmeasure”, that deliver SilentSync, a Python-based remote access trojan (RAT), to unsuspecting developers. Both packages leverage typosquatting to impersonate legitimate libraries in the Python Package Index (PyPI), posing a serious supply-chain risk to projects that install them. SilentSync’s versatile capabilities include remote…
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Zero Day Malware
Cybersecurity is a race against time. Every day, businesses face sophisticated threats designed to exploit the smallest vulnerabilities. Among the most dangerous of these are Zero Day Malware attacks, malicious software that targets unknown flaws before vendors or defenders even know they exist. Zero day malware represents the pinnacle of stealth and danger. Unlike First…
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Zero Day Malware
Cybersecurity is a race against time. Every day, businesses face sophisticated threats designed to exploit the smallest vulnerabilities. Among the most dangerous of these are Zero Day Malware attacks, malicious software that targets unknown flaws before vendors or defenders even know they exist. Zero day malware represents the pinnacle of stealth and danger. Unlike First…
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Hackers Abuse RTL/LTR Text Tricks and Browser Flaws to Mask Malicious Links
Cybersecurity researchers at Varonis Threat Labs have uncovered a persistent vulnerability that has remained unaddressed for over a decade, allowing attackers to exploit browser handling of Right-to-Left (RTL) and Left-to-Right (LTR) text scripts to create deceptive URLs. This technique, known as BiDi Swap, enables threat actors to craft malicious links that appear legitimate to unsuspecting…
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Malicious PyPI Packages Deliver SilentSync RAT
IntroductionZscaler ThreatLabz regularly monitors for threats in the popular Python Package Index (PyPI), which contains open source libraries that are frequently used by many Python developers. In July 2025, a malicious Python package named termncolor was identified by ThreatLabz. Just a few weeks later, on August 4, 2025, ThreatLabz uncovered two more malicious Python packages…
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Shai Hulud Burrows Into NPM Repository
JavaScript Repository Contends With Wormable Malicious Code. An apparent Dune aficionado is responsible for the first self-propagating attack on the npm JavaScript repository in what one security company has called one of the most severe JavaScript supply-chain attacks so far. A malicious script exfiltrated data to GitHub repositories named Shai-Hulud. First seen on govinfosecurity.com Jump…
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What’s Old Is New Again as Iranian Hackers Exploit Macros
MuddyWater Also Embraces Bulletproof Hosts and Custom Malware. The Iranian nation-state cyberespionage group MuddyWater is going back to the future with attacks featuring Microsoft Office documents with malicious macros. It is also shifting to homegrown malware in place of commercial remote monitoring and management tools, said researchers. First seen on govinfosecurity.com Jump to article: www.govinfosecurity.com/whats-old-new-again-as-iranian-hackers-exploit-macros-a-29465
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BeaverTail Malware Delivered Through Malicious Repositories Targets Retailers
Tech Note BeaverTail variant distributed via malicious repositories and ClickFix lure17 September 2025 Oliver Smith, GitLab Threat Intelligence We have identified infrastructure distributing BeaverTail and InvisibleFerret malware since at least May 2025, operated by North Korean actors tracked as Contagious Interview and Famous Chollima. The campaign uses ClickFix lures to target marketing and […] The…
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China-Aligned TA415 Exploits Google Sheets Calendar for C2
China-aligned TA415 hackers have adopted Google Sheets and Google Calendar as covert command-and-control (C2) channels in a sustained espionage campaign targeting U.S. government, academic, and think tank entities. By blending malicious operations into trusted cloud services, TA415 aims to evade detection and harvest intelligence on evolving U.S.China economic policy discussions. Throughout July and August 2025,…
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New Magecart Attack Injects Malicious JavaScript to Steal Payment Data
A new Magecart-style campaign has emerged that leverages malicious JavaScript injections to skim payment data from online checkout forms. The threat surfaced after security researcher sdcyberresearch posted a cryptic tweet hinting at an active campaign hosted on cc-analytics[.]com. Subsequent analysis revealed a heavily obfuscated script that hooks into checkout fields, collects credit card and billing…
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China-Aligned TA415 Exploits Google Sheets Calendar for C2
China-aligned TA415 hackers have adopted Google Sheets and Google Calendar as covert command-and-control (C2) channels in a sustained espionage campaign targeting U.S. government, academic, and think tank entities. By blending malicious operations into trusted cloud services, TA415 aims to evade detection and harvest intelligence on evolving U.S.China economic policy discussions. Throughout July and August 2025,…
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Microsoft Disrupts RaccoonO365 Phishing Kit, Seizes 338 Malicious Sites
Microsoft revealed it has seized 338 websites associated with RaccoonO365, a phishing kit which has stolen at least 5000 Microsoft credentials worldwide First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/microsoft-disrupts-phishing-kit/
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Google Play Flooded With 224 Malicious Apps, 38 Million Downloads Deliver Malware
A global ad fraud and click fraud operation, dubbed SlopAds, comprising 224 Android apps that collectively amassed more than 38 million downloads across 228 countries and territories. Under the guise of AI-themed utilities, these apps employ advanced obfuscation techniques”, such as steganography and hidden WebViews”, to deliver a fraud payload that generates billions of ad…
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Adtech Abused by Threat Actors to Spread Malicious Advertisements
Malicious advertising campaigns have surged in sophistication, with cybercriminals exploiting and even operating adtech firms to deliver malware, credential stealers and phishing schemes directly through mainstream ad networks. A cluster of interconnected companies”, run through shell corporations, hosted on compromised infrastructure, and registered en masse via a notorious registrar”, has enabled a prolific threat actor,…