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#windowsmalware — Public Fediverse posts

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  1. Ghost CMS Flaw Exploited to Hijack Over 700 Sites in ClickFix Attacks

    Over 700 websites were hijacked in a massive campaign that exploited a critical Ghost CMS vulnerability, turning legitimate pages into gateways for Windows malware. This alarming attack was made possible by CVE-2026-26980, an SQL injection flaw with a near-perfect CVSS score of 9.4.

    osintsights.com/ghost-cms-flaw

    #GhostCms #Cve202626980 #SqlInjection #Clickfix #WindowsMalware

  2. Malicious Hugging Face repository targets Windows users with infostealer malware

    Malicious actors on Hugging Face tricked Windows users into downloading infostealer malware by creating a fake repository that mimicked OpenAI's popular Privacy Filter release. The rogue repository briefly shot to the top of Hugging Face's trending list, racking up 244,000 downloads before being swiftly removed.

    osintsights.com/malicious-hugg

    #InfostealerMalware #HuggingFace #Typosquatting #AiModelAbuse #WindowsMalware

  3. Malicious Site Exploits AI Interest to Deploy Beagle Backdoor

    Beware of a fake website masquerading as Anthropic's Claude interface, tricking users into downloading a 505 MB ZIP archive that unleashes a new, previously undocumented Windows backdoor called Beagle. This malicious campaign uses a convincing imitation of the legitimate site to spread the infection.

    osintsights.com/malicious-site

    #BeagleBackdoor #AiMalware #WindowsMalware #Malvertising #DllSideloading

  4. Fake Claude AI site delivers Beagle Windows backdoor malware

    Beware of a fake Claude AI site that's really a malware trap: a 505MB archive disguised as a legitimate installer delivers a sneaky Windows backdoor called Beagle. Clicking the download button on the site leads to trouble, not the AI tool you might be expecting.

    osintsights.com/fake-claude-ai

    #FakeClaudeAiSite #BeagleWindowsBackdoor #MalwareOperations #EmergingThreats #WindowsMalware

  5. CloudZ Malware Exploits Phone Link to Harvest SMS OTPs

    Beware of CloudZ malware, a sneaky Windows threat that's been stealing SMS messages and one-time passwords since January 2026 by exploiting Microsoft's Phone Link app. This malicious duo, paired with the Pheno plugin, can capture mobile authentication data without ever touching your smartphone.

    osintsights.com/cloudz-malware

    #CloudzMalware #WindowsMalware #MicrosoftPhoneLink #SmsOtp #RemoteAccessTool

  6. 😱 Siete al sicuro? Un nuovo malware sfrutta l'automazione di Windows per rubare i tuoi dati sensibili. Aggiorna il tuo antivirus e fai attenzione! #CyberSecurity #WindowsMalware

    🔗 tomshw.it/hardware/coyote-prim

  7. Interesting #windowsmalware tactic: redirecting malicious* code in from standard input rather than using a file or via args.
    This means I can not (as easily) see what is being executed.
    This is not new (I have played around with this tactic in the past, albit with bash rather than PowerShell). However, I have not seen this used before in the wild

    i.e.

    powershell.exe -NoLogo -InputFormat Text -NoExit -ExecutionPolicy Unrestricted -Command -

    * as I can not see the code, I can not say for sure what it does or if it is malware

  8. 🔍 Technical Analysis: Smoke Loader Malware Leveraging Wi-Fi Access Points for Geolocation

    📅 Date: August 28, 2023
    🖋️ Author: Eswar

    📌 Tags: #Malware #SmokeLoader #Geolocation #Wi-FiScanning #Cybersecurity

    🛠️ The Smoke Loader malware, recently discovered, employs a novel technique to locate infected systems through Wi-Fi access points and Google's Geolocation API. This technical analysis sheds light on the key mechanisms used by this malware.

    🔗 System Location Identification:
    The malware, also known as "Whiffy Recon," utilizes a custom Wi-Fi scanning tool to identify an infected system's precise coordinates using nearby Wi-Fi access points. This is achieved by leveraging the Windows WLANSVC service and Google's Geolocation API.

    🔒 Infection Process:
    The malware checks the existence of the WLANSVC service, regardless of its operational status. If the service exists, the malware creates a wlan.lnk shortcut in the Startup folder pointing to the malware's original location. On the other hand, if the service is absent, the malware terminates execution.

    🔄 Malware Loops:
    There are two loops in the malware's execution flow:

    1. The first loop checks for the presence of the file %APPDATA%\wlan\str-12.bin. If valid parameters are found, the malware proceeds to the next loop for Wi-Fi scanning.
    2. In the absence of the file, the malware registers the bot with the Command and Control (C2) server, sending a JSON payload in an HTTPS POST request with a hard-coded UUID for bot identification.

    📥 Registration and Communication:
    Upon successful registration, the server responds with a secret UUID, replacing the initial bot ID for future requests. Both UUIDs are stored in the str-12.bin file. The malware then scans for Wi-Fi access points using the Windows WLAN API, sending results to Google's Geolocation API via HTTPS POST requests.

    🌐 Google Geolocation API:
    The Geolocation API provides system coordinates based on Wi-Fi access points and mobile network data. The obtained coordinates are integrated into a JSON structure along with encryption methods of access points. This data is sent to the C2 server through HTTP POST requests with Authorization UUID and specific URLs.

    🔎 Indicators of Compromise:

    Whiffy Recon sample dropped by Smoke Loader

    • MD5 hash: 009230972491f5f5079e8e86e19d5458
    • SHA256 hash: 935b44784c055a897038b2cb6f492747c0a1487f0ee3d3a39319962317cd4087

    Whiffy Recon sample dropped by Smoke Loader

    • SHA1 hash: 8532e67e1fd8441dc8ef41f5e75ee35b0d12a087

    Whiffy Recon C2 server

    • 194.87.32[.]20

    Whiffy Recon payload URL

    🛡️ Recommendations:
    Cybersecurity professionals are advised to be vigilant against Smoke Loader malware and Whiffy Recon malware. Monitoring for these indicators of compromise can aid in identifying and mitigating potential threats.

    Source: cybersecuritynews.com/smoke-lo

    #Cybersecurity #ThreatAnalysis #MalwareDetection #GeolocationTracking #WindowsMalware