Windows Defender ATP machine learning and AMSI: Unearthing script-based attacks that ‘live off the land’

Scripts are becoming the weapon of choice of sophisticated activity groups responsible for targeted attacks as well as malware authors who indiscriminately deploy commodity threats. Scripting engines such as JavaScript, VBScript, and PowerShell offer tremendous benefits to attackers. They run...

Windows Defender ATP machine learning and AMSI: Unearthing script-based attacks that ‘live off the land’

Scripts are becoming the weapon of choice of sophisticated activity groups responsible for targeted attacks as well as malware authors who indiscriminately deploy commodity threats. Scripting engines such as JavaScript, VBScript, and PowerShell offer tremendous benefits to attackers. They run...

Windows Defender ATP machine learning and AMSI: Unearthing script-based attacks that ‘live off the land’

Scripts are becoming the weapon of choice of sophisticated activity groups responsible for targeted attacks as well as malware authors who indiscriminately deploy commodity threats. Scripting engines such as JavaScript, VBScript, and PowerShell offer tremendous benefits to attackers. They run...

CVE-2017-12312

An untrusted search path aka DLL Preloading vulnerability in the Cisco Immunet antimalware installer could allow an authenticated, local attacker to execute arbitrary code via DLL hijacking if a local user with administrative privileges executes the installer in the current working directory wher...

CVE-2017-12312

The CVE-2017-12312 issue affects the Cisco Immunet antimalware installer, where an untrusted search path (DLL preloading) allows a local attacker with administrative privileges to run arbitrary code by placing a crafted DLL in the current working directory before installation. Root cause: incompl...

CVE-2017-12312

An untrusted search path aka DLL Preloading vulnerability in the Cisco Immunet antimalware installer could allow an authenticated, local attacker to execute arbitrary code via DLL hijacking if a local user with administrative privileges executes the installer in the current working directory wher...

Cisco Immunet Antimalware Installer DLL Preloading Vulnerability

An untrusted search path vulnerability in the Cisco Immunet antimalware installer could allow an authenticated, local attacker to execute arbitrary code via DLL hijacking if a local user with administrative privileges executes the installer in the current working directory where a crafted DLL has...

#AVGater vulnerability does not affect Windows Defender Antivirus, MSE, or SCEP

On November 10, 2017, a vulnerability called AVGater was discovered affecting some antivirus products. The vulnerability requires a non-administrator-level account to perform a restore of a quarantined file. Windows Defender Antivirus and other Microsoft antimalware products, including System...

#AVGater vulnerability does not affect Windows Defender Antivirus, MSE, or SCEP

On November 10, 2017, a vulnerability called AVGater was discovered affecting some antivirus products. The vulnerability requires a non-administrator-level account to perform a restore of a quarantined file. Windows Defender Antivirus and other Microsoft antimalware products, including System...

Watchdog Development Anti-Malware / Online Security Pro - NULL Pointer Dereference Exploit

Exploit for windows platform in category dos / poc / Exploit Title - Watchdog Development Anti-Malware/Online Security Pro Null Pointer Dereference Date - 26th October 2017 Discovered by - Parvez Anwar @parvezghh Vendor Homepage - https://www.watchdogdevelopment.com/ Tested Version - 2.74.186.150...

Hardening the system and maintaining integrity with Windows Defender System Guard

One of the things we spend a great deal of time thinking about here at Microsoft is how attackers will attempt to persist and evade detection once they’ve successfully compromised a device. With Windows 10 we’ve made it more difficult to find ways to exploit potential entry points, and it’s clear...

Windows Defender Antimalware/Antivirus Signature Definition Check

Windows Defender has an AntiMalware/AntiVirus signature that gets updated continuously. The signature definition has not been updated in more than 1 day. C Tenable Network Security, Inc. include"compat.inc"; if description scriptid103569; scriptversion"1.13";...

The New Email Security Technologies Powered by XGen™

Today we are excited to introduce new email security technologies powered by XGen™ and a new product, Smart Protection for Office 365. This new service combines the advantages of both an email gateway with an API service integrated solution to provide complete threat protection for Microsoft Offi...

Microsoft Malware Protection Engine Denial of Service Vulnerability

A denial of service vulnerability exists when the Microsoft Malware Protection Engine does not properly scan a specially crafted file, leading to a scan timeout. An attacker who successfully exploited this vulnerability could prevent the Microsoft Malware Protection Engine from monitoring affecte...

Microsoft Malware Protection Engine Remote Code Execution Vulnerability

A remote code execution vulnerability exists when the Microsoft Malware Protection Engine does not properly scan a specially crafted file, leading to memory corruption. An attacker who successfully exploited this vulnerability could execute arbitrary code in the security context of the LocalSyste...

Microsoft Malware Protection Engine Remote Code Execution Vulnerability

A remote code execution vulnerability exists when the Microsoft Malware Protection Engine does not properly scan a specially crafted file, leading to memory corruption. An attacker who successfully exploited this vulnerability could execute arbitrary code in the security context of the LocalSyste...

Next Payload Could be Much Worse Than WannaCry

No one should be letting their guard down now that the WannaCry ransomware attacks have been relatively contained. Experts intimately involved with analyzing the malware and worldwide attacks urge quite the opposite, warning today that there’s nothing stopping attackers from using the available N...

Apple Revokes Certificate Used By OSX/Dok Malware

Apple revoked a legitimate developer certificate used by hackers behind malware dubbed OSX/Dok, which was able to eavesdrop on secure HTTPS traffic of infected systems. On Sunday, Apple also rolled out an update to its XProtect built-in antimalware software to fend off existing and upcoming...

Denial of Service Vulnerability in Zemana AntiMalware

Zemana AntiMalware is a cloud-based anti-malware scanner. Zemana AntiMalware suffers from a denial of service vulnerability. Due to Zemana antiMalware's driver zam32.sys fails to do a safe line validation of incoming pointers from the user layer. This allows an attacker to exploit the vulnerabili...

Armadito Antimalware - Backdoor AccessBypass

Armadito Antimalware - Backdoor AccessBypass / Exploit Title : Armadito antimalware - Backdoor/Bypass Date : 07-06-2016 DD-MM-YYYY Exploit Author : Ax. Vendor Homepage : http://www.teclib-edition.com/teclib-products/armadito-antivirus/ Software Link : https://github.com/41434944/armadito-av Versi...