Tag: powershell
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Neuer Banking-Trojaner ‘Maverick”: BlueVoyant deckt raffinierte WhatsApp-Angriffe auf
Der Angriff beginnt typischerweise mit einer ZIP-Datei, die das Ziel per WhatsApp erhält. Darin versteckt sich eine vermeintliche Verknüpfung (.lnk), die beim Öffnen automatisch eine PowerShell-Routine startet. First seen on infopoint-security.de Jump to article: www.infopoint-security.de/neuer-banking-trojaner-maverick-bluevoyant-deckt-raffinierte-whatsapp-angriffe-auf/a43167/
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Hidden .NET HTTP proxy behavior can open RCE flaws in apps, a security issue Microsoft won’t fix
Tags: api, control, credentials, cve, endpoint, exploit, flaw, framework, ivanti, leak, microsoft, monitoring, ntlm, powershell, programming, rce, remote-code-execution, service, vulnerabilityServiceDescriptionImporter class,” he said. “That mechanism alone enabled successful exploitation in products from Barracuda, Ivanti, Microsoft and Umbraco, and it took only a few days of review to find working cases.” The .NET Framework and ASP.NET are among the most popular programming languages for enterprise applications. When a developer wants their application to communicate with…
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PowerShell 5.1 zeigt nach Dez. 2025 Update Sicherheitsabfrage bei Webseiten
Es ist in den Support-Beiträgen zum Dezember 2025-Patchday mit angegeben. Nach Installation der Windows-Updates zeigt die PowerShell 5.1 eine Sicherheitsabfrage, wenn auf den Inhalt von Webseiten zugegriffen werden soll. Mit dieser Maßnahme soll die Sicherheitslücke CVE-2025-54100 abgeschwächt werden. PowerShell-Schwachstelle CVE-2025-54100 … First seen on borncity.com Jump to article: www.borncity.com/blog/2025/12/11/powershell-5-1-zeigt-nach-dez-2025-update-sicherheitsabfrage-bei-webseiten/
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Microsoft Patch Tuesday security updates for December 2025 fixed an actively exploited zero-day
Microsoft Patch Tuesday security updates for December 2025 address 57 vulnerabilities, including three critical flaws. Microsoft Patch Tuesday security updates for December 2025 addressed 57 vulnerabilities in Windows and Windows components, Office and Office Components, Microsoft Edge (Chromium-based), Exchange Server, Azure, Copilot, PowerShell, and Windows Defender. Three vulnerabilities are rated Critical, while the rest are…
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Windows PowerShell now warns when running Invoke-WebRequest scripts
Microsoft says Windows PowerShell now warns when running scripts that use the Invoke-WebRequest cmdlet to download web content, aiming to prevent potentially risky code from executing. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/microsoft-windows-powershell-now-warns-when-running-invoke-webrequest-scripts/
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Storm-0249 Escalates Ransomware Attacks with ClickFix, Fileless PowerShell, and DLL Sideloading
The threat actor known as Storm-0249 is likely shifting from its role as an initial access broker to adopt a combination of more advanced tactics like domain spoofing, DLL side-loading, and fileless PowerShell execution to facilitate ransomware attacks.”These methods allow them to bypass defenses, infiltrate networks, maintain persistence, and operate undetected, raising serious concerns for…
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Windows shortcuts’ use as a vector for malware may be cut short
Windows shortcut files (.lnk) have long been a convenient hiding place for attackers because Windows Explorer only displayed the first 260 characters of the command in a shortcut’s properties. Anything appended after a long string of spaces stayed invisible to the user.The issue is tracked as CVE-2025-9491, with security analysts assigning a high-severity CVSS rating…
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Neues ToddyCat-Toolkit greift Outlook und Microsoft-Token an
Tags: access, apt, backdoor, browser, chrome, cloud, cyberattack, exploit, governance, government, Internet, kaspersky, mail, microsoft, open-source, powershell, tool, update, vulnerability, windowsDie APT-Gruppe ToddyCat hat ihren Fokus auf den Diebstahl von Outlook-E-Mail-Daten und Microsoft 365-Zugriffstoken verlagert.Forscher von Kaspersky Labs haben festgestellt, dass sich die APT-Gruppe (Advanced Persistent Threat) ToddyCat jetzt darauf spezialisiert hat, Outlook-E-Mail-Daten und Microsoft 365-Zugriffstoken zu stehlen.Demnachhat die Hackerbande ihr Toolkit Ende 2024 und Anfang 2025 weiterentwickelt, um nicht nur wie bisher Browser-Anmeldedaten zu…
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New ClickFix attacks use fake Windows Update screens to fool employees
Run dialog box, Windows Terminal, or Windows PowerShell. This leads to the downloading of scripts that launch malware.Two new tactics are used in the latest ClickFix campaign, says Huntress:the use since early October of a fake blue Windows Update splash page in full-screen, displaying realistic “Working on updates” animations that eventually conclude by prompting the user to…
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Nach Entlassung: Exmitarbeiter sperrt ehemalige Kollegen aus IT-Systemen aus
Nach seiner Entlassung hat ein Mann in der IT-Umgebung seines Ex-Arbeitgebers mittels Powershell-Skript mehr als 2.500 Passwörter zurückgesetzt. First seen on golem.de Jump to article: www.golem.de/news/nach-entlassung-exmitarbeiter-sperrt-ehemalige-kollegen-aus-it-systemen-aus-2511-202435.html
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Fired techie admits sabotaging ex-employer, causing $862K in damage
Tags: powershellPowerShell script locked thousands of workers out of their accounts First seen on theregister.com Jump to article: www.theregister.com/2025/11/20/it_contractor_sabotage/
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Fired techie admits sabotaging ex-employer, causing $862K in damage
Tags: powershellPowerShell script locked thousands of workers out of their accounts First seen on theregister.com Jump to article: www.theregister.com/2025/11/20/it_contractor_sabotage/
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Active Directory Trust Misclassification: Why Old Trusts Look Like Insecure External Trusts
Tenable Research reveals an Active Directory anomaly: intra-forest trusts created under Windows 2000 lack a key identifying flag, even after domain and forest upgrades. Learn how to find this legacy behavior persisting to this day, and use crossRef objects to correctly distinguish these trust types. Key takeaways: If your organization has an Active Directory environment…
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The nexus of risk and intelligence: How vulnerability-informed hunting uncovers what everything else misses
Tags: access, attack, authentication, business, cisa, compliance, cve, cvss, dark-web, data, defense, detection, dns, edr, endpoint, exploit, framework, intelligence, kev, linux, malicious, mitigation, mitre, monitoring, ntlm, nvd, open-source, password, powershell, remote-code-execution, risk, risk-management, siem, soc, strategy, tactics, technology, threat, update, vulnerability, vulnerability-managementTurning vulnerability data into intelligence: Once vulnerabilities are contextualized, they can be turned into actionable intelligence. Every significant CVE tells a story, known exploit activity, actor interest, proof-of-concept code or links to MITRE ATT&CK techniques. This external intelligence gives us the who and how behind potential exploitation.For example, when a privilege escalation vulnerability in Linux…
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Why you should purple team your SOC
Tags: attack, blueteam, breach, compliance, detection, metric, penetration-testing, phishing, powershell, PurpleTeam, service, soc, threat, tool, training. In theory, it’s about collaboration and continual improvement. In practice, it’s often a transactional service run by penetration testing firms focused on two things: proving they can bypass defences and producing a report that looks good in a board pack.That mindset doesn’t help with SOC effectiveness. A single purple team engagement doesn’t build real…
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Why you should purple team your SOC
Tags: attack, blueteam, breach, compliance, detection, metric, penetration-testing, phishing, powershell, PurpleTeam, service, soc, threat, tool, training. In theory, it’s about collaboration and continual improvement. In practice, it’s often a transactional service run by penetration testing firms focused on two things: proving they can bypass defences and producing a report that looks good in a board pack.That mindset doesn’t help with SOC effectiveness. A single purple team engagement doesn’t build real…
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Russian APT abuses Windows Hyper-V for persistence and malware execution
Tags: apt, attack, authentication, cctv, defense, group, infrastructure, malware, password, powershell, russia, threat, tool, windowsOther malware tools: The researchers also found additional malware payloads left by the attackers on systems, including a custom PowerShell script used to inject a Kerberos ticket into LSASS to enable authentication and command execution on remote systems.Another PowerShell script was pushed to multiple systems via domain Group Policy to change the password of an…
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Airstalk Malware Exploits AirWatch MDM for Covert C2 Communication
Security researchers have identified a sophisticated new malware family, Airstalk, that exploits VMware’s AirWatch API”, now known as Workspace ONE Unified Endpoint Management”, to establish covert command-and-control channels. The discovery represents a significant threat to evolution, with both PowerShell and .NET variants discovered in what researchers assess with medium confidence was a nation-state-sponsored supply chain…
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Airstalk Malware Exploits AirWatch MDM for Covert C2 Communication
Security researchers have identified a sophisticated new malware family, Airstalk, that exploits VMware’s AirWatch API”, now known as Workspace ONE Unified Endpoint Management”, to establish covert command-and-control channels. The discovery represents a significant threat to evolution, with both PowerShell and .NET variants discovered in what researchers assess with medium confidence was a nation-state-sponsored supply chain…
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Ransomware-Bande missbraucht Microsoft-Zertifikate
Kontinuierlich offenstehende Hintertüren sind für Cyberkriminelle ein Freifahrtschein.Die Ransomware-Bande Rhysida ist speziell im Unternehmensumfeld berüchtigt. Nun scheint das kriminelle Hacker-Kollektiv neue Wege einschlagen zu wollen, wie ein Bericht des US-Sicherheitsanbieters Expel nahelegt. Demnach setzen die Cyberkriminellen in ihrer aktuellen Angriffskampagne initial auf Malvertising. Die maliziösen Anzeigen laufen über die Microsoft-Suchmaschine Bing und führen auf Fake-Download-Seiten…
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Ransomware-Bande missbraucht Microsoft-Zertifikate
Kontinuierlich offenstehende Hintertüren sind für Cyberkriminelle ein Freifahrtschein.Die Ransomware-Bande Rhysida ist speziell im Unternehmensumfeld berüchtigt. Nun scheint das kriminelle Hacker-Kollektiv neue Wege einschlagen zu wollen, wie ein Bericht des US-Sicherheitsanbieters Expel nahelegt. Demnach setzen die Cyberkriminellen in ihrer aktuellen Angriffskampagne initial auf Malvertising. Die maliziösen Anzeigen laufen über die Microsoft-Suchmaschine Bing und führen auf Fake-Download-Seiten…
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Ransomware-Bande missbraucht Microsoft-Zertifikate
Kontinuierlich offenstehende Hintertüren sind für Cyberkriminelle ein Freifahrtschein.Die Ransomware-Bande Rhysida ist speziell im Unternehmensumfeld berüchtigt. Nun scheint das kriminelle Hacker-Kollektiv neue Wege einschlagen zu wollen, wie ein Bericht des US-Sicherheitsanbieters Expel nahelegt. Demnach setzen die Cyberkriminellen in ihrer aktuellen Angriffskampagne initial auf Malvertising. Die maliziösen Anzeigen laufen über die Microsoft-Suchmaschine Bing und führen auf Fake-Download-Seiten…
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Rhysida ransomware exploits Microsoft certificate to slip malware past defenses
Identifying forensic signals: The campaigns that leverage trusted certificates undermine the trust model enterprises rely on. Signed malware bypasses app-allow lists, browser warnings, OS checks, and antivirus assumptions about signed code. When the file poses as Teams or PuTTY, employees don’t hesitate to download it as it looks normal.”Once inside, the malware runs with fewer…
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Rhysida ransomware exploits Microsoft certificate to slip malware past defenses
Identifying forensic signals: The campaigns that leverage trusted certificates undermine the trust model enterprises rely on. Signed malware bypasses app-allow lists, browser warnings, OS checks, and antivirus assumptions about signed code. When the file poses as Teams or PuTTY, employees don’t hesitate to download it as it looks normal.”Once inside, the malware runs with fewer…
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Rhysida ransomware exploits Microsoft certificate to slip malware past defenses
Identifying forensic signals: The campaigns that leverage trusted certificates undermine the trust model enterprises rely on. Signed malware bypasses app-allow lists, browser warnings, OS checks, and antivirus assumptions about signed code. When the file poses as Teams or PuTTY, employees don’t hesitate to download it as it looks normal.”Once inside, the malware runs with fewer…