Persistence – PowerShell Profile

PowerShell profile is a PowerShell script which enables system administrators and users to customize their environment and to execute specific commands when a PowerShell session initiates. It is similar to logon scripts that are used heavily by Administrators to map network drives and printers fo...

Persistence – BITS Jobs

Windows operating systems contain various utilities which can be used by system administrators to perform various tasks. One of these utilities is the Background Intelligent Transfer Service BITS which can facilitate file transfer capability to web servers HTTP and share folders SMB. Microsoft...

PSKernel-Primitives

This repository, zdiskless/PSKernel-Primitives, is a collection of PowerShell primitives for exploitation. The code includes various functions for generating shellcode, allocating memory, and interacting with the Windows kernel. The functions in this repository are designed to be used in...

CVE-2018-16859

Execution of Ansible content on Microsoft's Windows platform with Powershell 5 or higher may disclose sensitive execution details including 'become' passwords, Ansible module arguments, and return values via Powershell's 'suspicious scriptblock logging' feature, which is enabled by default. The...

Azure File Sync Agent v8 Release – October 2019

Azure File Sync Agent v8 Release – October 2019 Introduction This article describes the improvements and issues that are fixed in the Azure File Sync Agent v8 release that is dated October 2019. Additionally, this article contains installation instructions for the update. Improvements and issues...

Azure File Sync Agent v7 Release – June 2019

Azure File Sync Agent v7 Release – June 2019 Introduction This article describes the improvements and issues that are fixed in the Azure File Sync Agent v7 release that is dated June 2019. Additionally, this article contains installation instructions for the update. Improvements and issues that a...

CheckPoint Endpoint Security ClientZoneAlarm 15.4.062.17802 - Privilege Escalation

CheckPoint Endpoint Security ClientZoneAlarm 15.4.062.17802 - Privilege Escalation Exploit Title: CheckPoint Endpoint Security Client/ZoneAlarm 15.4.062.17802 - Privilege Escalation Date: 2019-01-30 Exploit Author: Jakub Palaczynski Vendor Homepage: https://www.checkpoint.com/ Version: Check Poin...

CheckPoint Endpoint Security Client / ZoneAlarm Privilege Escalation

Exploit Title: CheckPoint Endpoint Security Client/ZoneAlarm 15.4.062.17802 - Privilege Escalation Date: 2019-01-30 Exploit Author: Jakub Palaczynski Vendor Homepage: https://www.checkpoint.com/ Version: Check Point Endpoint Security VPN = E80.87 Build 986009514 Version: Check Point ZoneAlarm =...

Microsoft Blacklists Dozens of New File Extensions in Outlook

Microsoft is banning almost 40 new types of file extensions on its Outlook email platform. The aim is to protect email users from what it deems “at-risk” file attachments, which are typically sent with malicious scripts or executables. The move will prevent users from downloading email attachment...

Microsoft Warns of a New Rare Fileless Malware Hijacking Windows Computers

Watch out Windows users! There's a new strain of malware making rounds on the Internet that has already infected thousands of computers worldwide and most likely, your antivirus program would not be able to detect it. Why? That's because, first, it's an advanced fileless malware and second, it...

Thousands of PCs Affected by Nodersok/Divergent Malware

New malware identified by Microsoft and Cisco Talos has affected thousands of PCs in the United States and Europe and turns systems into proxies for performing malicious activity, the companies said. The fileless threat—called Nodersok by Microsoft and Divergent by Cisco Talos—has many of its own...

Outlook for Web Bans 38 More File Extensions in Email Attachments

Malware or computer virus can infect your computer in several different ways, but one of the most common methods of its delivery is through malicious file attachments over emails that execute the malware when you open them. Therefore, to protect its users from malicious scripts and executable,...

Emotet malspam campaign uses Snowden’s new book as lure

Exactly one week ago, Emotet, one of the most dangerous threats to organizations in the last year, resumed its malicious spam campaigns after several months of inactivity. Based on our telemetry, we can see that the botnet started becoming chatty with its command and control servers C2, about a...

CB TAU Threat Intelligence Notification: Formbook Harvests Data By Intercepting Clients

Formbook is an information stealer which has been around for the past few years. Formbook acts as a form grabber which harvests credentials, passwords, banking details, key strokes and network requests, by intercepting web browser and other clients such as email and IM. The particular sample...

FudgeC2 - A Collaborative C2 Framework For Purple-Teaming Written In Python3, Powershell And .NET

FudgeC2 is a campaign orientated Powershell C2 framework built on Python3/Flask - Designed for team collaboration, client interaction, campaign timelining, and usage visibility. Note: FudgeC2 is currently in alpha stage, and should be used with caution in non-test environments. Setup Installation...

How to: Kerberoast like a boss

Kerberoasting: by default, all standard domain users can request a copy of all service accounts along with their correlating password hashes. Crack these and you could have administrative privileges. But that’s so 2014. Why write a blog post about this in 2019 then? It still works well, yet there...

Emotet is back: botnet springs back to life with new spam campaign

After a fairly long hiatus that lasted nearly four months, Emotet is back with an active spam distribution campaign. For a few weeks, there were signs that the botnet was setting its gears in motion again, as we observed command and control C2 server activity. But this morning, the Trojan started...

GHSA-62GW-3RMJ-WMP2 High severity vulnerability that affects System.Management.Automation

Microsoft Security Advisory CVE-2019-1301: Denial of Service Vulnerability in PowerShell Core Executive Summary A denial of service vulnerability exists when PowerShell Core or .NET Core improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denia...

High severity vulnerability that affects System.Management.Automation

Microsoft Security Advisory CVE-2019-1301: Denial of Service Vulnerability in PowerShell Core Executive Summary A denial of service vulnerability exists when PowerShell Core or .NET Core improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denia...

This Week in Security News: IoT Devices Are a Target in Cybercriminal Underground

Welcome to our weekly roundup, where we share what you need to know about the cybersecurity news and events that happened over the past few days. This week, learn how fileless malware abuses PowerShell. Also, read how Trend Micro researchers are pulling back the curtain on the cybercriminal...