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Alerts and Advisories

Zero Day Exchange Vulnerabilities CVE-2022-41040 and CVE-2022-41082

7 Oct 2022

Microsoft security researchers announced two new zero-day vulnerabilities, CVE-2022-41040 and CVE-2022-41082 affecting Microsoft Exchange Server.

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Hacked Business Instagram Account

6 Oct 2022

BruCERT has received an alarming number of reports from users whose Instagram account has been taken over, with a demand for ransom to be paid in order to regain access to their account.

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“NullMixer” Infecting Windows PCs With Dozens Of Malware

29 Sep 2022

Cybercriminals are targeting users who search for cracked software by promoting malicious websites to download installers which deploy a malware called NullMixer. This new malware dropper is infecting Windows devices with a dozen malware families simultaneously.

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Whatsapp Vulnerabilities

29 Sep 2022

Two "remote code execution" vulnerabilities affecting WhatsApp could allow attackers to gain complete control of a targeted user's mobile application.

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Spell-Jacking: Chrome and Edge Web Browsers Leaking Sensitive Information

23 Sep 2022

Researchers have found that add-on spellchecking features added to popular web browsers Google Chrome and Microsoft Edge have been leaking sensitive information back to their parent companies Google and Microsoft respectively.

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Malicious Gaming Videos on YouTube Spreading Malware

20 Sep 2022

A new malware bundle uses victims' YouTube channels to upload malicious video tutorials advertising fake cheats for popular video games. The videos contain links to download the fake cracks and cheats which will actually install a collection of self-spreading malware.

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Zero-click Hikvision Cameras RCE Flaw (CVE-2021-36260)

31 Aug 2022

More than 80,000 Hikvision cameras have been discovered to be vulnerable to exploitation and exposed on the public Internet. These vulnerabilities were fixed by Hikvision last year, however there are still cameras that have not been updated with the latest firmware thus remain unfixed. Hikvision has released four repair firmware since the first repair.

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Telegram Takeover

5 Aug 2022

An increasing number of local Telegram users have reported to BruCERT since April this year that their accounts had been hacked or taken over. It is suspected that the number of unreported cases could be much higher.

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Microsoft Ransomware Targeting OneDrive and SharePoint Files By Abusing Versioning Configurations

19 Jul 2022

A proof-of-concept exploit could give hackers access to Office 365 or Microsoft 365 documents stored on OneDrive or SharePoint and make it inaccessible to the compromised user. It involves “file versioning” which is a feature in both OneDrive and SharePoint where a document is autosaved whenever an edit is made.

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Microsoft Support Diagnostic Tool Vulnerability

6 Jun 2022

A remote code execution (RCE) vulnerability CVE-2022-30190, known as "Follina", is affecting the Microsoft Support Diagnostic Tool (MSDT) in Windows. An attacker who successfully exploits this vulnerability can run arbitrary code with the privileges of the calling application.

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Conti Ransomware

8 Apr 2022

Conti is a ransomware-as-a-service (RaaS) group, which allows affiliates to rent access to its infrastructure to launch attacks. This group has encrypted the networks of hospitals, businesses and government agencies, and in many cases, receiving a significant ransom payment in exchange for the decryption key.

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BitRAT malware

24 Mar 2022

Security research has discovered a new malware campaign that disguises itself in the form of a Windows 10 Pro license activator. It is a remote access trojan known as BitRAT and is being distributed via webhards, which are an online file sharing services popular in South Korea.

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