Chinese state-sponsored threat group APT41 targets U.S. critical organizations using two Zero-Days

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here A China state-sponsored threat group known as APT41 is observed compromising at least six U.S. state governments networks in a threat campaign beginning from May 2021. APT41 is a well-known Chinese state-sponsored espionage...

Exploit for Use After Free in Microsoft

CVE-2021-31166 Why I recently wrote an exploit for CVE-20...

Citrix Federated Authentication Service (FAS) Security Update

An issue has been identified in Citrix Federated Authentication Service FAS which causes deployments that have been configured to store a registration authority certificate's private key in a Trusted Platform Module TPM to incorrectly store that key in the Microsoft Software Key Storage Provider...

PyShell - Multiplatform Python WebShell

PyShell is Multiplatform Python WebShell. This tool helps you to obtain a shell-like interface on a web server to be remotely accessed. Unlike other webshells, the main goal of the tool is to use as little code as possible on the server side, regardless of the language used or the operating syste...

Iranian Hackers Using New Spying Malware That Abuses Telegram Messenger API

An Iranian geopolitical nexus threat actor has been uncovered deploying two new targeted malware that come with "simple" backdoor functionalities as part of an intrusion against an unnamed Middle East government entity in November 2021. Cybersecurity company Mandiant attributed the attack to an...

Iran's MuddyWater Hacker Group Using New Malware in Worldwide Cyber Attacks

Cybersecurity agencies from the U.K. and the U.S. have laid bare a new malware used by the Iranian government-sponsored advanced persistent threat APT group in attacks targeting government and commercial networks worldwide. "MuddyWater actors are positioned both to provide stolen data and accesse...

Win-Brute-Logon - Crack Any Microsoft Windows Users Password Without Any Privilege (Guest Account Included)

This PoC was ported in pure PowerShell: https://github.com/DarkCoderSc/power-brute-logon Win Brute Logon Proof Of Concept Release date: 2020-05-14 Target: Windows XP to Latest Windows 10 Version 1909 Weakness location : LogonUserA, LogonUserW, CreateProcessWithLogonA, CreateProcessWithLogonW Usag...

Exploit for CVE-2021-1675

CVE-2021-1675 - PrintNightmare LPE PowerShell Caleb Stewa...

Iranian Hackers Targeting VMware Horizon Log4j Flaws to Deploy Ransomware

A "potentially destructive actor" aligned with the government of Iran is actively exploiting the well-known Log4j vulnerability to infect unpatched VMware Horizon servers with ransomware. Cybersecurity firm SentinelOne dubbed the group "TunnelVision" owing to their heavy reliance on tunneling...

Russian APT Hackers Used COVID-19 Lures to Target European Diplomats

The Russia-linked threat actor known as APT29 targeted European diplomatic missions and Ministries of Foreign Affairs as part of a series of spear-phishing campaigns mounted in October and November 2021. According to ESET's T3 2021 Threat Report shared with The Hacker News, the intrusions paved t...

Wing FTP Server 4.3.8 - Remote Code Execution (Authenticated) Exploit

Exploit Title: Wing FTP Server 4.3.8 - Remote Code Execution RCE Authenticated Exploit Author: notcos Credit: Credit goes to the initial discoverer of this exploit, Alex Haynes. Vendor Homepage: https://www.wftpserver.com/ Software Link: https://www.wftpserver.com/download/WingFtpServer.exe...

Trellix Global Defenders: BlackCat Ransomware as a Service - The Cat is certainly out of the bag!

Trellix Global Defenders: BlackCat Ransomware as a Service - The Cat is certainly out of the bag! By Trellix · February 8, 2022 Research Contributions and Analysis: Filippo Sitzia This story was written by Arnab Roy Threat Summary Blackcat also known as ALPHV/Noberus is a Ransomware as a Service...

Trellix Global Defenders: BlackCat Ransomware as a Service - The Cat is certainly out of the bag!

Trellix Global Defenders: BlackCat Ransomware as a Service - The Cat is certainly out of the bag! By Trellix · February 8, 2022 Research Contributions and Analysis: Filippo Sitzia This story was written by Arnab Roy Threat Summary Blackcat also known as ALPHV/Noberus is a Ransomware as a Service...

Charming Kitten Sharpens Its Claws with PowerShell Backdoor

The Iranian advanced persistent threat APT Charming Kitten is sharpening its claws with a new set of tools, including a novel PowerShell backdoor and related stealth tactics, that show the group evolving yet again. The new tools may signal that it’s getting ready to pounce on new victims,...

SolarMarker Malware Uses Novel Techniques to Persist on Hacked Systems

In a sign that threat actors continuously shift tactics and update their defensive measures, the operators of the SolarMarker information stealer and backdoor have been found leveraging stealthy Windows Registry tricks to establish long-term persistence on compromised systems. Cybersecurity firm...

Iranian Hackers Using New PowerShell Backdoor in Cyber Espionage Attacks

An advanced persistent threat group with links to Iran has updated its malware toolset to include a novel PowerShell-based implant called PowerLess Backdoor, according to new research published by Cybereason. The Boston-headquartered cybersecurity company attributed the malware to a hacking group...

Researchers Uncover New Iranian Hacking Campaign Targeting Turkish Users

Details have emerged about a previously undocumented malware campaign undertaken by the Iranian MuddyWater advanced persistent threat APT group targeting Turkish private organizations and governmental institutions. "This campaign utilizes malicious PDFs, XLS files and Windows executables to deplo...

CRT - CrowdStrike Reporting Tool for Azure

This tool queries the following configurations in the Azure AD/O365 tenant which can shed light on hard-to-find permissions and configuration settings in order to assist organizations in securing these environments. Exchange Online O365: Federation Configuration Federation Trust Client Access...

Mandiant-Azure-AD-Investigator - PowerShell module for detecting artifacts that may be indicators of UNC2452 and other threat actor activity

This repository contains a PowerShell module for detecting artifacts that may be indicators of UNC2452 and other threat actor activity. Some indicators are "high-fidelity" indicators of compromise, while other artifacts are so called "dual-use" artifacts. Dual-use artifacts may be related to thre...

The vulnerability of the “Copy as curl” function in the Thunderbird email client’s DevTools, as well as in browsers like Firefox and Firefox ESR, allows a hacker to execute arbitrary commands within the system.

The vulnerability of the “Copy as curl” function in the Thunderbird email client’s DevTools, as well as in Firefox and Firefox ESR browsers, is related to the execution of arbitrary commands on the target system due to improper input validation. Exploiting this vulnerability allows a remote...