Trickbot Malware Rebounds with Virtual-Desktop Espionage Module

The Trickbot trojan is in resurgence mode, with its operators filling out infrastructure globally and releasing an updated version of its “vncDll” module, used for monitoring and intelligence gathering, researchers said. According to an analysis this week from Bitdefender, there has been “a...

Hackers Trick Microsoft Into Signing Netfilter Driver Loaded With Rootkit Malware

Microsoft on Friday said it's investigating an incident wherein a driver signed by the company turned out to be a malicious Windows rootkit that was observed communicating with command-and-control C2 servers located in China. The driver, called "Netfilter," is said to target gaming environments,...

Spam Downpour Drips New IcedID Banking Trojan Variant

Researchers have seen a new variant of the IcedID banking trojan sliding in via two new spam campaigns. Written in English and carrying .ZIP files full of the malware – or links to such ZIP files – the new twist on the old banking trojan is a tweaked downloader, which the threat actors moved from...

NamedPipePTH - Pass The Hash To A Named Pipe For Token Impersonation

This project is a PoC code to use Pass-the-Hash for authentication on a local Named Pipe user Impersonation. There also is a blog post for explanation: https://s3cur3th1ssh1t.github.io/Named-Pipe-PTH/ It is heavily based on the code from the projects Invoke-SMBExec.ps1 and RoguePotato. I faced...

A New Spyware is Targeting Telegram and Psiphon VPN Users in Iran

Threat actors with suspected ties to Iran have been found to leverage instant messaging and VPN apps like Telegram and Psiphon to install a Windows remote access trojan RAT capable of stealing sensitive information from targets' devices since at least 2015. Russian cybersecurity firm Kaspersky,...

Live Cybersecurity Webinar — Deconstructing Cobalt Strike

Organizations' cybersecurity capabilities have improved over the past decade, mostly out of necessity. As their defenses get better, so do the methods, tactics, and techniques malicious actors devise to penetrate their environments. Instead of the standard virus or trojan, attackers today will...

Researchers Discover First Known Malware Targeting Windows Containers

Security researchers have discovered the first known malware, dubbed "Siloscope," targeting Windows Server containers to infect Kubernetes clusters in cloud environments. "Siloscape is heavily obfuscated malware targeting Kubernetes clusters through Windows containers," said Unit 42 researcher...

RedWarden - Flexible CobaltStrike Malleable Redirector

RedWarden - Flexible CobaltStrike Malleable Redirector previously known as proxy2's malleableredirector plugin Let's raise the bar in C2 redirectors IR resiliency, shall we? Red Teaming business has seen several different great ideas on how to combat incident responders and misdirect them while...

Experts Uncover Yet Another Chinese Spying Campaign Aimed at Southeast Asia

An ongoing cyber-espionage operation with suspected ties to China has been found targeting a Southeast Asian government to deploy spyware on Windows systems while staying under the radar for more than three years. "In this campaign, the attackers utilized the set of Microsoft Office exploits and...

Email Campaign Spreads StrRAT Fake-Ransomware RAT

An email campaign is delivering a Java-based remote access trojan RAT that can not only steal credentials and take control of systems, but also presents as fake ransomware, Microsoft researchers have discovered. The Microsoft Security Intelligence MSI team has outlined details of a “massive email...

Lemon Duck Cryptojacking Botnet Changes Up Tactics

The Lemon Duck cryptocurrency-mining botnet has added the ProxyLogon group of exploits to its bag of tricks, targeting Microsoft Exchange servers. That’s according to researchers at Cisco Talos, who said that the cybercrime group behind Lemon Duck has also added the Cobalt Strike attack framework...

PortDoor Espionage Malware Takes Aim at Russian Defense Sector

A previously undocumented backdoor malware, dubbed PortDoor, is being used by a probable Chinese advanced persistent threat actor APT to target the Russian defense sector, according to researchers. The Cybereason Nocturnus Team observed the cybercriminals specifically going after the Rubin Design...

Researchers Uncover Stealthy Linux Malware That Went Undetected for 3 Years

A previously undocumented Linux malware with backdoor capabilities has managed to stay under the radar for about three years, allowing the threat actor behind the operation to harvest and exfiltrate sensitive information from infected systems. Dubbed "RotaJakiro" by researchers from Qihoo 360...

Over 750,000 Users Downloaded New Billing Fraud Apps From Google Play Store

Researchers have uncovered a new set of fraudulent Android apps in the Google Play store that were found to hijack SMS message notifications for carrying out billing fraud. The apps in question primarily targeted users in Southwest Asia and the Arabian Peninsula, attracting a total of 700,000...

SUSE: Security Advisory (SUSE-SU-2018:1375-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

AzureC2Relay - An Azure Function That Validates And Relays Cobalt Strike Beacon Traffic By Verifying The Incoming Requests Based On A Cobalt Strike Malleable C2 Profile

AzureC2Relay is an Azure Function that validates and relays Cobalt Strike beacon traffic by verifying the incoming requests based on a Cobalt Strike Malleable C2 profile. Any incoming requests that do not share the profiles user-agent, URI paths, headers, and query parameters, will be redirected ...

Hackers Tampered With APKPure Store to Distribute Malware Apps

APKPure, one of the largest alternative app stores outside of the Google Play Store, was infected with malware this week, allowing threat actors to distribute Trojans to Android devices. In a supply-chain attack similar to that of German telecommunications equipment manufacturer Gigaset, the...

Alert — There's A New Malware Out There Snatching Users' Passwords

A previously undocumented malware downloader has been spotted in the wild in phishing attacks to deploy credential stealers and other malicious payloads. Dubbed "Saint Bot," the malware is said to have first appeared on the scene in January 2021, with indications that it's under active developmen...

Experts uncover a new Banking Trojan targeting Latin American users

Researchers on Tuesday revealed details of a new banking trojan targeting corporate users in Brazil at least since 2019 across various sectors such as engineering, healthcare, retail, manufacturing, finance, transportation, and government. Dubbed "Janeleiro" by Slovak cybersecurity firm ESET, the...

BadOutlook - (Kinda) Malicious Outlook Reader

A simple PoC which leverages the Outlook Application Interface COM Interface to execute shellcode on a system based on a specific trigger subject line. By utilizing the Microsoft.Office.Interop.Outlook namespace, developers can represent the entire Outlook Application or at least according to...