Invoke-Mimikatz Memory Injection Credential Harvesting

Mimikatz is a post-exploitation tool used to perform cerdential harvesting on a Windows machine. An attacker can use Powershell in order to inject and run Mimikatz into the system's memory...

New Research: Crypto-mining Drives Almost 90% of All Remote Code Execution Attacks

It’s early in 2018 and we have already witnessed one of the top contenders in this year’s web application attacks. Continuing the trend from the last months of 2017, crypto-mining malware is quickly becoming attackers’ favorite modus operandi. In December 2017, 88 percent of all remote code...

CVE-2017-10271 Used to Deliver CryptoMiners: An Overview of Techniques Used Post-Exploitation and Pre-Mining

Introduction FireEye researchers recently observed threat actors abusing CVE-2017-10271 to deliver various cryptocurrency miners. CVE-2017-10271 is a known input validation vulnerability that exists in the WebLogic Server Security Service WLS Security in Oracle WebLogic Server versions 12.2.1.2.0...

Word-based Malware Attack Doesn’t Use Macros

Typically, inbox-based attacks that include malicious Microsoft Office attachments require adversaries to trick users into enabling macros. But researchers say they have identified a new malicious email campaign that uses booby-trapped Office attachments that are macro-free. The attacks do not...

CVE-2017-10271 Used to Deliver CryptoMiners: An Overview of Techniques Used Post-Exploitation and Pre-Mining

Introduction FireEye researchers recently observed threat actors abusing CVE-2017-10271 to deliver various cryptocurrency miners. CVE-2017-10271 is a known input validation vulnerability that exists in the WebLogic Server Security Service WLS Security in Oracle WebLogic Server versions 12.2.1.2.0...

Eclipse Equinox OSGi Console Command Execution

Exploit Eclipse Equinox OSGi Open Service Gateway initiative console 'fork' command to execute arbitrary commands on the remote system. Module Options msf use exploit/multi/misc/osgi/consoleexec msf undefinedconsoleexec show actions ...actions... msf undefinedconsoleexec set ACTION msf...

Grouper - A PowerShell script for helping to find vulnerable settings in AD Group Policy

Grouper is a slightly wobbly PowerShell module designed for pentesters and redteamers although probably also useful for sysadmins which sifts through the usually very noisy XML output from the Get-GPOReport cmdlet part of Microsoft's Group Policy module and identifies all the settings defined in...

Targeted Attacks In The Middle East

This blog post is authored by Paul Rascagneres with assistance of Martin Lee. Executive Summary Talos has identified a targeted attacks affecting the Middle East. This campaign contains the following elements, which are described in detail in this article. The use of allegedly confidential decoy...

LaZagneForensic - Decrypt Windows Credentials From Another Host

LaZagne uses an internal Windows API called CryptUnprotectData to decrypt user passwords. This API should be called on the victim user session, otherwise, it does not work. If the computer has not been started when the analysis is realized on an offline mounted disk, or if we do not want to drop ...

Control the Local Launch of Applications on Published Desktops with VPrefer

Feature Description Thisfeature was designedto control how published applications are treated when launched from a published desktop session double-hop scenario When a user attempts to launch a published app from a published desktop session, a Receiver for Windows policy controls whether the app...

Find Vulnerable Settings in AD Group Policy: Grouper

Grouper is a slightly wobbly PowerShell module designed for pentesters and redteamers although probably also useful for sysadmins which sifts through the usually very noisy XML output from the Get-GPOReport cmdlet part of Microsoft’s Group Policy module and identifies all the settings defined in...

BMC Server Automation RSCD Agent - NSH Remote Command Execution (Metasploit)

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'BMC Server Automation RSCD Agent NSH Remote ' \ 'Command Execution', 'Description' = %q This module exploits a weak access control check in the B...

PowerShell Detection (Linux/Unix SSH Login)

SSH login-based detection of PowerShell. SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription scriptoid"1.3.6.1.4.1.25623.1.0.812746";...

PowerShell Core Detection (Windows SMB Login)

Detects the installed version of PowerShell Core. The script logs in via smb, searches for SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only...

Microsoft PowerShell Core DoS And Security Feature Bypass Vulnerabilities - Linux

This host is missing an important security update for PowerShell Core according to Microsoft security update January 2018. SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders...

Microsoft PowerShell Core DoS And Security Feature Bypass Vulnerabilities - Mac OS X

This host is missing an important security update for PowerShell Core according to Microsoft security update January 2018. SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders...

VulnCheck KEV: CVE-2018-20753

Kaseya VSA RMM allows unprivileged remote attackers to execute PowerShell payloads on all managed devices...

PowerShell Core Detection (Mac OS X SSH Login)

Detects the installed version of PowerShell on Mac OS X. The script logs in via ssh, searches for folder SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier:...

Now you see me: Exposing fileless malware

Attackers are determined to circumvent security defenses using increasingly sophisticated techniques. Fileless malware boosts the stealth and effectiveness of an attack, and two of last years major ransomware outbreaks Petya and WannaCry used fileless techniques as part of their kill chains. The...

Hackers Exploiting Three Microsoft Office Flaws to Spread Zyklon Malware

Security researchers have spotted a new malware campaign in the wild that spreads an advanced botnet malware by leveraging at least three recently disclosed vulnerabilities in Microsoft Office. Dubbed Zyklon, the fully-featured malware has resurfaced after almost two years and primarily found...