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Exchange Server security updates updated

Categories: Exploits and vulnerabilities Categories: News Tags: Exchange Tags: CVE-2023-21709 Tags: August update Tags: re-release Microsoft Exchange Server administrators may have to install a re-released security patch (Read more...) The post Exchange Server security updates updated appeared first on Malwarebytes Labs.

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New BlackCat Ransomware Variant Adopts Advanced Impacket and RemCom Tools

Microsoft on Thursday disclosed that it found a new version of the BlackCat ransomware (aka ALPHV and Noberus) that embeds tools like Impacket and RemCom to facilitate lateral movement and remote code execution. "The Impacket tool has credential dumping and remote service execution modules that could be used for broad deployment of the BlackCat ransomware in target environments," the company's

Karma Catches Up to Global Phishing Service 16Shop

You've probably never heard of "16Shop," but there's a good chance someone using it has tried to phish you. Last week, the international police organization INTERPOL said it had shuttered the notorious 16Shop, a popular phishing-as-a-service platform launched in 2017 that made it simple for even complete novices to conduct complex and convincing phishing scams. INTERPOL said authorities in Indonesia arrested the 21-year-old proprietor and one of his alleged facilitators, and that a third suspect was apprehended in Japan.

China-Linked Bronze Starlight Group Targeting Gambling Sector with Cobalt Strike Beacons

An ongoing cyber attack campaign originating from China is targeting the Southeast Asian gambling sector to deploy Cobalt Strike beacons on compromised systems.  Cybersecurity firm SentinelOne said the tactics, techniques, and procedures point to the involvement of a threat actor tracked as Bronze Starlight (aka Emperor Dragonfly or Storm-0401), which has been linked to the use of short-lived

Russian Hackers Use Zulip Chat App for Covert C&C in Diplomatic Phishing Attacks

An ongoing campaign targeting ministries of foreign affairs of NATO-aligned countries points to the involvement of Russian threat actors. The phishing attacks feature PDF documents with diplomatic lures, some of which are disguised as coming from Germany, to deliver a variant of a malware called Duke, which has been attributed to APT29 (aka BlueBravo, Cloaked Ursa, Cozy Bear, Iron Hemlock,

CVE-2023-36787: Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

**Why is the severity for this CVE rated as Moderate, but the CVSS score is higher than normal?** Per our severity guidelines, the amount of user interaction or preconditions required to allow this sort of exploitation downgraded the severity, specifically it says, "If a bug requires more than a click, a key press, or several preconditions, the severity will be downgraded". The CVSS scoring system doesn't allow for this type of nuance.

CVE-2023-38158: Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

**According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?** Successful exploitation of this vulnerability requires an attacker to take additional actions prior to exploitation to prepare the target environment.

Experts Uncover Weaknesses in PowerShell Gallery Enabling Supply Chain Attacks

Active flaws in the PowerShell Gallery could be weaponized by threat actors to pull off supply chain attacks against the registry's users. "These flaws make typosquatting attacks inevitable in this registry, while also making it extremely difficult for users to identify the true owner of a package," Aqua security researchers Mor Weinberger, Yakir Kadkoda, and Ilay Goldman said in a report shared

Cybercriminals Abusing Cloudflare R2 for Hosting Phishing Pages, Experts Warn

Threat actors' use of Cloudflare R2 to host phishing pages has witnessed a 61-fold increase over the past six months. "The majority of the phishing campaigns target Microsoft login credentials, although there are some pages targeting Adobe, Dropbox, and other cloud apps," Netskope security researcher Jan Michael said. Cloudflare R2, analogous to Amazon Web Service S3, Google Cloud Storage, and

25 most popular websites vs Malwarebytes Browser Guard

Categories: News Categories: Personal We put Malwarebytes Browser Guard up against the top 25 websites. It knocked out 172 trackers and other unwanted items. (Read more...) The post 25 most popular websites vs Malwarebytes Browser Guard appeared first on Malwarebytes Labs.