Description of the security update for Skype for Business Server and Lync Server: May 11, 2021 (KB5003729)

Description of the security update for Skype for Business Server and Lync Server: May 11, 2021 KB5003729 Summary This security update resolves vulnerabilities in Microsoft Skype for Business Server and Microsoft Lync Server. To learn more about these vulnerabilities, see Microsoft Common...

Phishing Attacks Spawn Three New Malware Strains

Two waves of global financial phishing attacks that swamped at least 50 organizations in December have delivered three new malware families, according to a report from FireEye’s Mandiant cybersecurity team. On Tuesday, the team said that they’ve dubbed the hitherto-unseen malware strains...

MeterPwrShell - Automated Tool That Generate The Perfect Powershell Payload

Automated Tool That Generate A Powershell Oneliner That Can Create Meterpreter Shell On Metasploit,Bypass AMSI,Bypass Firewall,Bypass UAC,And Bypass Any AVs. This tool is powered by Metasploit-Framework and amsi.fail Notes NEVER UPLOAD THE PAYLOAD THAT GENERATED BY THIS PROGRAM TO ANY ONLINE...

Invoke-Stealth - Simple And Powerful PowerShell Script Obfuscator

Invoke-Stealth is a Simple & Powerful PowerShell Script Obfuscator. This tool helps you to automate the obfuscation process of any script written in PowerShell with different techniques. You can use any of them separately, together or all of them sequentially with ease, from Windows or Linux...

Prometei Botnet Could Fire Up APT-Style Attacks

A heretofore little-seen botnet dubbed Prometei is taking a page from advanced persistent threat APT cyberattackers: The malware is exploiting two of the Microsoft Exchange vulnerabilities collectively known as ProxyLogon, in order to drop a Monero cryptominer on its targets. It’s also highly...

Prometei Botnet Exploiting Unpatched Microsoft Exchange Servers

Attackers are exploiting the ProxyLogon Microsoft Exchange Server flaws to co-opt vulnerable machines to a cryptocurrency botnet named Prometei, according to new research. "Prometei exploits the recently disclosed Microsoft Exchange vulnerabilities associated with the HAFNIUM attacks to penetrate...

GHSA-7JGJ-8WVC-JH57 .NET Core Information Disclosure

An information disclosure vulnerability exists in .NET Core when authentication information is inadvertently exposed in a redirect, aka ".NET Core Information Disclosure Vulnerability." This affects .NET Core 2.1, .NET Core 1.0, .NET Core 1.1, PowerShell Core 6.0...

.NET Core Information Disclosure

An information disclosure vulnerability exists in .NET Core when authentication information is inadvertently exposed in a redirect, aka ".NET Core Information Disclosure Vulnerability." This affects .NET Core 2.1, .NET Core 1.0, .NET Core 1.1, PowerShell Core 6.0...

BetterXencrypt - A Better Version Of Xencrypt - Xencrypt It Self Is A Powershell Runtime Crypter Designed To Evade AVs

A better version of Xencrypt.Xencrypt it self is a Powershell runtime crypter designed to evade AVs. cause Xencrypt is not FUD anymore and easily get caught by AMSI,i recode the stub and now it FUD again. And the original Xencrypt,if you see on the screenshot proof,he's tested on Windows 8,and if...

Attackers Target ProxyLogon Exploit to Install Cryptojacker

Cryptojacking can be added to the list of threats that face any unpatched Exchange servers that remain vulnerable to the now-infamous ProxyLogon exploit, new research has found. Researchers discovered the threat actors using Exchange servers compromised using the highly publicized exploit...

COVID-Related Threats, PowerShell Attacks Lead Malware Surge

Surging numbers of COVID-themed attacks, PowerShell trojans, along with the SolarWinds compromise and the continued spread of Sunburst malware were major contributors to a massive spike in the number of observed attacks in the wild during the last half of 2020, which McAfee’s said averaged 588...

CVE-2021-28927

The text-to-speech engine in libretro RetroArch for Windows 1.9.0 passes unsanitized input to PowerShell through platformwin32.c via the accessibilityspeakwindows function, which allows attackers who have write access on filesystems that are used by RetroArch to execute code via command injection...

CVE-2021-28927

The text-to-speech engine in libretro RetroArch for Windows 1.9.0 passes unsanitized input to PowerShell through platformwin32.c via the accessibilityspeakwindows function, which allows attackers who have write access on filesystems that are used by RetroArch to execute code via command injection...

Command injection

The text-to-speech engine in libretro RetroArch for Windows 1.9.0 passes unsanitized input to PowerShell through platformwin32.c via the accessibilityspeakwindows function, which allows attackers who have write access on filesystems that are used by RetroArch to execute code via command injection...

CVE-2021-28927

The text-to-speech engine in libretro RetroArch for Windows 1.9.0 passes unsanitized input to PowerShell through platformwin32.c via the accessibilityspeakwindows function, which allows attackers who have write access on filesystems that are used by RetroArch to execute code via command injection...

CVE-2021-28927

The text-to-speech engine in libretro RetroArch for Windows 1.9.0 passes unsanitized input to PowerShell through platformwin32.c via the accessibilityspeakwindows function, which allows attackers who have write access on filesystems that are used by RetroArch to execute code via command injection...

Error: Unable to Create Authentication Service for Receiver StoreFront

This article is intended for Citrix administrators and technical teams only.Non-admin users must contact their company’s Help Desk/IT support team and can refer toCTX297149for more information During the initial setup of Receiver StoreFront server on either deployment option, Single or...

A deep dive into Saint Bot, a new downloader

This post was authored by Hasherezade with contributions from Hossein Jazi and Erika Noerenberg In late March 2021, Malwarebytes analysts discovered a phishing email with an attached zip file containing unfamiliar malware. Contained within the zip file was a PowerShell script masquerading as a li...

InveighZero - Windows C# LLMNR/mDNS/NBNS/DNS/DHCPv6 Spoofer/Man-In-The-Middle Tool

InveighZero is a C LLMNR/NBNS/mDNS/DNS/DHCPv6 spoofer and man-in-the-middle tool designed to assist penetration testers/red teamers that find themselves limited to a Windows system. This version shares many features with the PowerShell version of Inveigh. Privileged Mode Features elevated admin...

No, I Did Not Hack Your MS Exchange Server

New data suggests someone has compromised more than 21,000 Microsoft Exchange Server email systems worldwide and infected them with malware that invokes both KrebsOnSecurity and Yours Truly by name. Lets just get this out of the way right now: It wasnt me. The Shadowserver Foundation, a nonprofit...