Experts Warn of 'Beep' - A New Evasive Malware That Can Fly Under the Radar

Cybersecurity researchers have unearthed a new piece of evasive malware dubbed Beep that's designed to fly under the radar and drop additional payloads onto a compromised host. "It seemed as if the authors of this malware were trying to implement as many anti-debugging and anti-VM anti-sandbox...

Titan Stealer: A New Golang-Based Information Stealer Malware Emerges

A new Golang-based information stealer malware dubbed Titan Stealer is being advertised by threat actors through their Telegram channel. "The stealer is capable of stealing a variety of information from infected Windows machines, including credential data from browsers and crypto wallets, FTP...

Titan Stealer: A New Golang-Based Information Stealer Malware Emerges

A new Golang-based information stealer malware dubbed Titan Stealer is being advertised by threat actors through their Telegram channel. "The stealer is capable of stealing a variety of information from infected Windows machines, including credential data from browsers and crypto wallets, FTP...

GuLoader Malware Utilizing New Techniques to Evade Security Software

Cybersecurity researchers have exposed a wide variety of techniques adopted by an advanced malware downloader called GuLoader to evade security software. "New shellcode anti-analysis technique attempts to thwart researchers and hostile environments by scanning entire process memory for any virtua...

North Korean Hackers Targeting Europe and Latin America with Updated DTrack Backdoor

Hackers tied to the North Korean government have been observed using an updated version of a backdoor known as Dtrack targeting a wide range of industries in Germany, Brazil, India, Italy, Mexico, Switzerland, Saudi Arabia, Turkey, and the U.S. "Dtrack allows criminals to upload, download, start ...

New Woody RAT Malware Being Used to Target Russian Organizations

An unknown threat actor has been targeting Russian entities with a newly discovered remote access trojan called Woody RAT for at least a year as part of a spear-phishing campaign. The advanced custom backdoor is said to be delivered via either of two methods: archive files or Microsoft Office...

Using process creation properties to catch evasion techniques

We developed a robust detection method in Microsoft Defender for Endpoint that can catch known and unknown variations of a process execution class used by attackers to evade detection. This class of stealthy execution techniques breaks some assumptions made by security products and enables...

Using process creation properties to catch evasion techniques

We developed a robust detection method in Microsoft Defender for Endpoint that can catch known and unknown variations of a process execution class used by attackers to evade detection. This class of stealthy execution techniques breaks some assumptions made by security products and enables...

No-Joke Borat RAT Propagates Ransomware, DDoS

Attackers are using a newly released remote access trojan RAT to spread ransomware and distributed denial of service DDoS — in addition to the traditional RAT function of backdooring victims’ systems. Researchers at Cyble Research Labs discovered the RAT, which they dubbed Borat RAT because it us...

New MyloBot Malware Variant Sends Sextortion Emails Demanding $2,732 in Bitcoin

A new version of the MyloBot malware has been observed to deploy malicious payloads that are being used to send sextortion emails demanding victims to pay $2,732 in digital currency. MyloBot, first detected in 2018, is known to feature an array of sophisticated anti-debugging capabilities and...

CVE-2021-45339

Privilege escalation vulnerability in Avast Antivirus prior to 20.4 allows a local user to gain elevated privileges by "hollowing" trusted process which could lead to the bypassing of Avast self-defense...

Privilege escalation

Privilege escalation vulnerability in the Self-Defense driver of Avast Antivirus prior to 20.8 allows a local user with SYSTEM privileges to gain elevated privileges by "hollowing" process wscproxy.exe which could lead to acquire antimalware AM-PPL protection...

CVE-2021-45339: Incorrect Authorization

Privilege escalation vulnerability in Avast Antivirus prior to 20.4 allows a local user to gain elevated privileges by "hollowing" trusted process which could lead to the bypassing of Avast self-defense...

NimHollow - Nim Implementation Of Process Hollowing Using Syscalls (PoC)

Playing around with the Process Hollowing technique using Nim. Features: Direct syscalls for triggering Windows Native API functions with NimlineWhispers. Shellcode encryption/decryption with AES in CTR mode. Simple sandbox detection methods from the OSEP course by @offensive-security. AMSI...

Go-Shellcode - A Repository Of Windows Shellcode Runners And Supporting Utilities

go-shellcode is a repository of Windows Shellcode runners and supporting utilities. The applications load and execute Shellcode using various API calls or techniques. The available Shellcode runners include: CreateFiber CreateProcess CreateProcessWithPipe CreateRemoteThread CreateRemoteThreadNati...

Injector - Complete Arsenal Of Memory Injection And Other Techniques For Red-Teaming In Windows

Complete Arsenal of Memory injection and other techniques for red-teaming in Windows What does Injector do? Process injection support for shellcode located at remote server as well as local storage. Just specify the shellcode file and it will do the rest. It will by default inject into notepad.ex...

Sharperner - Simple Executable Generator With Encrypted Shellcode

Sharperner is a tool written in CSharp that generate .NET dropper with AES and XOR obfuscated shellcode. Generated executable can possibly bypass signature check but I cant be sure it can bypass heuristic scanning. Features PE binary Process Hollowing PPID Spoofing Random generated AES key and iv...

FalconEye - Real-time detection software for Windows process injections

FalconEye is a windows endpoint detection software for real-time process injections. It is a kernel-mode driver that aims to catch process injections as they are happening real-time. Since FalconEye runs in kernel mode, it provides a stronger and reliable defense against process injection...

The Tetrade: Brazilian banking malware goes global

Introduction Brazil is a well-known country with plenty of banking trojans developed by local crooks. The Brazilian criminal underground is home to some of the worlds busiest and most creative perpetrators of cybercrime. Like their counterparts in China and Russia, their cyberattacks have a stron...

Insights from one year of tracking a polymorphic threat

A little over a year ago, in October 2018, our polymorphic outbreak monitoring system detected a large surge in reports, indicating that a large-scale campaign was unfolding. We observed as the new threat attempted to deploy files that changed every 20-30 minutes on thousands of devices. We gave...