Tag: windows
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Microsoft gesteht: Update-Panne macht Dateiversionsverlauf von Windows kaputt
Die Windows-Updates von September ziehen allerhand Probleme nach sich. Auch der Dateiversionsverlauf funktioniert nicht mehr richtig. First seen on golem.de Jump to article: www.golem.de/news/microsoft-gesteht-update-panne-macht-dateiversionsverlauf-von-windows-kaputt-2609-213294.html
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One Stolen Active Directory File Can Expose Credentials for an Entire Windows Domain
A single stolen Active Directory database can turn a limited Windows intrusion into a domain-wide credential compromise. Threat actors that obtain the NTDS.dIT file from a domain controller, along with its corresponding SYSTEM registry hive, can extract password hashes, Kerberos keys, and password-history data for domain identities offline. While attackers may rotate payloads, loaders, command-and-control…
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One Stolen Active Directory File Can Expose Credentials for an Entire Windows Domain
A single stolen Active Directory database can turn a limited Windows intrusion into a domain-wide credential compromise. Threat actors that obtain the NTDS.dIT file from a domain controller, along with its corresponding SYSTEM registry hive, can extract password hashes, Kerberos keys, and password-history data for domain identities offline. While attackers may rotate payloads, loaders, command-and-control…
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Fake LastPass Authenticator Installer Abuses Microsoft-Signed Driver to Kill Antivirus and EDR
A fake LastPass Authenticator installer offered on GitHub installs a Windows kernel driver that shuts off antivirus and other security software before a password stealer runs if a victim downloads and runs it, researchers at LastPass and Delphos Labs said on September 17.Microsoft’s own hardware-compatibility program signs the driver, scored zero detections on VirusTotal when…
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The TASK#STOMP Windows backdoor takes Wi-Fi passwords, screenshots, and business files
Researchers have taken apart TASK#STOMP, a Windows backdoor that searches a victim’s drives for business documents, uploads them to attacker servers, and then stays put … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/09/21/taskstomp-windows-backdoor/
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New Rapuncel Infostealer Abuses Microsoft-Signed Driver to Disable 145 Security Tools
Tags: antivirus, credentials, crypto, cyber, data, detection, endpoint, exploit, intelligence, microsoft, mitigation, threat, tool, windowsA newly identified information-stealing campaign, tracked as Rapuncel, is exploiting a Microsoft-attested kernel driver to terminate up to 145 antivirus (AV) and endpoint detection and response (EDR) processes. This allows attackers to steal browser credentials, cryptocurrency wallet data, chat tokens, and Windows credentials. Researchers from the LastPass Threat Intelligence, Mitigation, and Escalation team, in collaboration…
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(g+) Windows-Lücken: Die Rückkehr der Würmer
Laut Zero Day Initiative sind 20 der neuen Windows-Lücken wurmfähig. Was Wannacry lehrt und was Admins absichern. First seen on golem.de Jump to article: www.golem.de/news/windows-luecken-die-rueckkehr-der-wuermer-2609-213269.html
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September updates break File History backup feature
Microsoft warned that the built-in File History backup feature in Windows may stop working on some systems after installing the September 2026 security updates. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-september-updates-break-file-history-backup-feature/
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PAYLOAD Ransomware Abuses Active Directory Group Policy to Disrupt Entire Windows Domain
A ransomware incident in which attackers used Active Directory Group Policy to disrupt operations without deploying a Windows encryptor or leaving malware running on endpoints. In April 2026, the attackers accessed a FortiGate SSL VPN using compromised domain credentials, then gained domain-admin-equivalent rights. PAYLOAD Ransomware On April 13, Kaspersky’s Global Emergency Response Team (GERT) created…
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New Rapuncel Infostealer Abuses Microsoft-Signed Driver to Disable 145 Security Tools
Tags: antivirus, credentials, crypto, cyber, data, detection, endpoint, exploit, intelligence, microsoft, mitigation, threat, tool, windowsA newly identified information-stealing campaign, tracked as Rapuncel, is exploiting a Microsoft-attested kernel driver to terminate up to 145 antivirus (AV) and endpoint detection and response (EDR) processes. This allows attackers to steal browser credentials, cryptocurrency wallet data, chat tokens, and Windows credentials. Researchers from the LastPass Threat Intelligence, Mitigation, and Escalation team, in collaboration…
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BigDiskBuster Windows Defender DoS Vulnerability Blocks Platform and Signature Updates
A recently published proof-of-concept project named BigDiskBuster claims to prevent Microsoft Defender from completing its platform and security intelligence signature updates. This could create a potential denial-of-service condition, leaving Windows endpoints operating with outdated anti-malware protection. The project, published on GitHub by the user “MSNightmare,” is described as a >>Windows Defender Update Denial of Service…
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BigDiskBuster Windows Defender DoS Vulnerability Blocks Platform and Signature Updates
A recently published proof-of-concept project named BigDiskBuster claims to prevent Microsoft Defender from completing its platform and security intelligence signature updates. This could create a potential denial-of-service condition, leaving Windows endpoints operating with outdated anti-malware protection. The project, published on GitHub by the user “MSNightmare,” is described as a >>Windows Defender Update Denial of Service…
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BigDiskBuster Windows Defender DoS Vulnerability Blocks Platform and Signature Updates
A recently published proof-of-concept project named BigDiskBuster claims to prevent Microsoft Defender from completing its platform and security intelligence signature updates. This could create a potential denial-of-service condition, leaving Windows endpoints operating with outdated anti-malware protection. The project, published on GitHub by the user “MSNightmare,” is described as a >>Windows Defender Update Denial of Service…
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BigDiskBuster Windows Defender DoS Vulnerability Blocks Platform and Signature Updates
A recently published proof-of-concept project named BigDiskBuster claims to prevent Microsoft Defender from completing its platform and security intelligence signature updates. This could create a potential denial-of-service condition, leaving Windows endpoints operating with outdated anti-malware protection. The project, published on GitHub by the user “MSNightmare,” is described as a >>Windows Defender Update Denial of Service…
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BigDiskBuster Windows Defender DoS Vulnerability Blocks Platform and Signature Updates
A recently published proof-of-concept project named BigDiskBuster claims to prevent Microsoft Defender from completing its platform and security intelligence signature updates. This could create a potential denial-of-service condition, leaving Windows endpoints operating with outdated anti-malware protection. The project, published on GitHub by the user “MSNightmare,” is described as a >>Windows Defender Update Denial of Service…
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BigDiskBuster Windows Defender DoS Vulnerability Blocks Platform and Signature Updates
A recently published proof-of-concept project named BigDiskBuster claims to prevent Microsoft Defender from completing its platform and security intelligence signature updates. This could create a potential denial-of-service condition, leaving Windows endpoints operating with outdated anti-malware protection. The project, published on GitHub by the user “MSNightmare,” is described as a >>Windows Defender Update Denial of Service…
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Hackers Abuse Microsoft Teams to Pose as IT Support and Steal Employee Passwords
Threat actors are increasingly abusing Microsoft Teams’ external chat capabilities to impersonate corporate IT help desks. They trick employees into installing malware, granting remote access, and stealing Windows credentials. These attacks exploit a simple vulnerability: employees tend to distrust suspicious emails but often do not apply the same caution to collaboration platforms like Teams. Attackers…
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New Remus Infostealer Steals OpenAI and Anthropic API Tokens, Passwords and Crypto Wallets
A newly tracked Windows infostealer dubbed Remus is expanding its credential-theft playbook by targeting API tokens and local usage data tied to AI platforms, including OpenAI and Anthropic. Researchers at SpyCloud Labs found that recent Remus builds harvest browser data, password-manager and 2FA-extension artifacts, cryptocurrency-wallet files, application credentials, and AI assistant credential folders, potentially exposing…
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New Remus Infostealer Steals OpenAI and Anthropic API Tokens, Passwords and Crypto Wallets
A newly tracked Windows infostealer dubbed Remus is expanding its credential-theft playbook by targeting API tokens and local usage data tied to AI platforms, including OpenAI and Anthropic. Researchers at SpyCloud Labs found that recent Remus builds harvest browser data, password-manager and 2FA-extension artifacts, cryptocurrency-wallet files, application credentials, and AI assistant credential folders, potentially exposing…
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PowerShell Malware Abuses Registry and DNS TXT Records to Deploy XMRig Crypto Miner
A sophisticated cryptomining campaign is employing multiple layers of obfuscation to conceal malicious PowerShell payloads and ultimately deploy an XMRig-based cryptocurrency miner. This obfuscation includes Windows Registry entries, DNS TXT records, PNG images, and WAV audio files. The infection was detected after repeated security alerts indicated suspicious PowerShell activity. The initial execution command launched PowerShell…
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New SETTRA Ransomware Uses MeshAgent RMM and BYOVD to Encrypt Windows Systems
A newly observed ransomware operation dubbed SETTRA is abusing the legitimate MeshAgent remote monitoring and management platform for persistence while using recovery-inhibition and defense-evasion techniques to maximize the impact of Windows encryption attacks. Huntress investigated two SETTRA incidents in July and September 2026, uncovering a repeatable operational pattern involving victim-specific ransomware binaries, Windows log clearing,…
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Google Chrome 153 Update Fixes 16 Security Flaws, Including Two Critical Vulnerabilities
Google has released Chrome version 153 to the Stable desktop channel, addressing 16 security vulnerabilities, including two critical-severity flaws affecting the Dawn graphics component and WebGL. This update is rolling out as version 153.0.8010.52 for Windows and macOS. Linux users will receive version 153.0.8010.52 over the coming days and weeks. Google Chrome 153 Update Fixes…
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Neue Cyberattacken: FamousSparrow nimmt Lateinamerika ins Visier
Die mutmaßlich China-verbundene Hackergruppe FamousSparrow konzentriert ihre Spionageaktivitäten auf Regierungsstellen in Lateinamerika. Dafür setzt sie eine neue Schadsoftware ein, die sich tief im Windows-System versteckt und Überwachungsmaßnahmen gezielt umgehen kann. First seen on welivesecurity.com Jump to article: www.welivesecurity.com/de/uber-eset-research/neue-cyberattacken-famoussparrow-nimmt-lateinamerika-ins-visier/
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Steam Windows Vulnerability Lets Users Escalate Privileges to NT AUTHORITYSYSTEM
A newly published proof of concept called >>BrokenPipe<< has revealed a local privilege escalation vulnerability in the Steam Client Service on Windows systems. According to the project's GitHub repository, this flaw could allow a standard, non-administrative Windows user to make the Steam Client Service launch an executable with NT AUTHORITY\SYSTEM privileges. The proof of concept…
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MovieReaper Malware Spreads Through Pirated Movie Torrents and Uses Solana for C2
A newly identified Windows malware framework dubbed MovieReaper is being distributed through pirated movie torrents after threat actors compromised a public torrent-file repository used by multiple tracker sites. The campaign combines a multi-stage infection chain, anti-analysis techniques, UAC bypass, file-management capabilities, and Solana blockchain-based command-and-control (C2) discovery to make disruption more difficult. Kaspersky researchers identified…
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Windows 11 24H2 Home and Pro reach end of support in October
Microsoft reminded customers this week that devices running Windows 11 24H2 Home and Pro editions will stop receiving updates next month. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/windows-11-24h2-home-and-pro-reach-end-of-support-in-october/
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Fake MRI Scans Deliver CHOSEN BRICK Spyware to Windows PCs
Iranian state-linked attackers are using fake MRI scans and software lures to deploy CHOSEN BRICK spyware on Windows PCs. First seen on esecurityplanet.com Jump to article: www.esecurityplanet.com/threats/news-chosen-brick-spyware-windows/
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Update-Panne bei Microsoft: Windows-11-Update sperrt Nutzer aus Domänen aus
Bei einigen Windows-Domänen gibt es seit dem letzten Patchday Probleme mit der Anmeldung. Ursache ist die erzwungene Aktivierung eines neuen Features. First seen on golem.de Jump to article: www.golem.de/news/update-panne-bei-microsoft-windows-11-update-sperrt-nutzer-aus-domaenen-aus-2609-213147.html
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Microsoft shares workaround for Windows domain login issues
Microsoft shared a temporary fix on Wednesday for a known issue that prevents Windows 11 users from logging in with valid domain credentials after installing the September 2026 security updates. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-releases-workaround-for-windows-domain-login-authentication-issues/
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Chosen Brick, Iran’s Surveillance Malware
UK, US, and Dutch agencies expose Chosen Brick, Iranian malware used to track and harass dissidents, journalists, and activists via Telegram. The UK, the US, and the Netherlands published a joint advisory warning about a Windows malware family, dubbed Chosen Brick, that Iran’s intelligence services use to track down dissidents, journalists, and activists, and the…