Fileless malware: part deux

In part one of this series, we focused on an introduction to the concepts fileless malware, providing examples of the problems that we in the security industry face when dealing with these types of attacks. In part two, I will be walking through a few demonstrations of fileless malware attacks th...

Cb Integrations: Cb Response Timeliner

Editor's Note: This post originally appeared on StillzTech.com and is being republished with permission from the author. Github: Incident Response is a challenging career. As responders, we must do our best to keep up to date with the latest attack trends, malware and forensic techniques...

Accelerating Your Zero Trust Security Transformation with Enterprise Threat Protector

The basic concepts of zero trust security are relatively simple: trust nothing, verify everything, and maintain consistent controls. But, for CISOs and CIOs charged with transforming their legacy moats and castles architecture to one that allows their enterprises to embrace all of the benefits of...

MobSF (Mobile Security Framework) v1.0 - Mobile (Android/iOS) Automated Pen-Testing Framework

Mobile Security Framework MobSF is an automated, all-in-one mobile application Android/iOS/Windows pen-testing framework capable of performing static, dynamic and malware analysis. It can be used for effective and fast security analysis of Android, iOS and Windows mobile applications and support...

Partner Perspectives: VMRay + Carbon Black Bridge the Gap Between Threat Hunting & Incident Response

In 2016, Carbon Black and VMRay introduced an out-of-the-box integration combining the capabilities of two industry-best platforms: Cb Response and the VMRay Analyzer. Leveraging the threat hunting and incident response capabilities of Cb Response, alongside the malware analysis and detection...

Triout Malware Carries Out Extensive, Targeted Android Surveillance

A mobile spyware for Android was disclosed today, with extensive, advanced surveillance capabilities that suggest that a sophisticated actor is pulling the strings. Using a recently discovered malware dubbed Triout, bad actors are tapping into the proliferating footprint of Android-based...

Dynamic API Call Tracer for Windows and Linux Applications: Drltrace

Drltrace is a dynamic API calls tracer for Windows and Linux applications designed primarily for malware analysis. Drltrace is built on top of DynamoRIO dynamic binary instrumentation framework. Motivation Malware analysis is not an easy task. Sophisticated software packers like Themida and...

BIOS Boots What? Finding Evil in Boot Code at Scale!

The second issue is that reverse engineering all boot records is impractical. Given the job of determining if a single system is infected with a bootkit, a malware analyst could acquire a disk image and then reverse engineer the boot bytes to determine if anything malicious is present in the boot...

Deceased Patient Data Being Sold on Dark Web

It is no shocker medical records are a prime target for cybercriminals. But less intuitive is the market for medical records of the deceased on the dark web. We took a closer look at the reason behind this strange trend. Here is what we found. First off, despite best efforts, stolen medical recor...

Indonesian Penetration Testing LFS: Dracos Linux

Dracos Linux is the Linux operating system from Indonesian, open source is built based on the Linux From Scratch under the protection of the GNU General Public License v3.0. This operating system is one variant of Linux distributions, which is used to perform security testing penetration testing...

DARKSURGEON - A Windows Packer Project To Empower Incident Response, Digital Forensics, Malware Analysis, And Network Defense

DARKSURGEON is a Windows packer project to empower incident response, digital forensics, malware analysis, and network defense. DARKSURGEON has three stated goals: Accelerate incident response, digital forensics, malware analysis, and network defense with a preconfigured Windows 10 environment...

Malware analysis: decoding Emotet, part 1

Emotet Banking Trojan malware has been around for quite some time now. As such, infosec researchers have made several attempts to develop tools to de-obfuscate and even decrypt the AES-encrypted code belonging to this malware. The problem with these tools is that they target active versions of th...

Windows Packer Project for Defenders: DARKSURGEON

Darksurgeon is a Windows packer project to empower incident response, digital forensics, malware analysis, and network defense. Darksurgeon has three stated goals: Accelerate incident response, digital forensics, malware analysis, and network defense with a preconfigured Windows 10 environment...

A Deep Dive Into RIG Exploit Kit Delivering Grobios Trojan

As discussed in previous blogs, exploit kit activity has been on the decline since the latter half of 2016. However, we do still periodically observe significant developments in this space, and we have been observing interesting ongoing activity involving RIG Exploit Kit EK. Although the volume o...

Spartacus ransomware: introduction to a strain of unsophisticated malware

Spartacus ransomware is a new sample that has been circulating in 2018. Written in C, the original sample is obfuscated, which we will go over as we extract it to its readable state. Spartacus is a relatively straight-forward ransomware sample and uses some similar techniques and code to others w...

Malware monitor - leveraging PyREBox for malware analysis

This post was authored by Xabier Ugarte Pedrero In July 2017 we released PyREBox, a Python Scriptable Reverse Engineering Sandbox as an open source tool. This project is part of our continuous effort to create new tools to improve our workflows. PyREBox is a versatile instrumentation framework...

Encryption 101: decryption tool code walkthrough

We have reached the final installment of our Encryption 101 series. In the prior post, we walked through, in detail, the thought process while looking at the Princess Locker ransomware. We talked about the specific ways to narrow down the analysis toward the encryption portions, the weaknesses in...

North Korean Malicious Cyber Activity

The Department of Homeland Security DHS and the Federal Bureau of Investigation FBI have identified Trojan malware variants—referred to as SHARPKNOT—used by the North Korean government. The U.S. Government refers to malicious cyber activity by the North Korean government as HIDDEN COBRA...

Encryption 101: Decryptor’s thought process

In the previous parts 1, 2 and 3 of this series, we covered the basics of encryption, walked through a live example of a ransomware in detail, and talked about encryption weaknesses. In this part of the encryption 101 series, we will begin wrapping it up by going into detail on a ransomware with...

Avzhan DDoS bot dropped by Chinese drive-by attack

The Avzhan DDoS bot has been known since 2010, but recently we saw it in wild again, being dropped by a Chinese drive-by attack. In this post, we'll take a deep dive into its functionality and compare the sample we captured with the one described in the past. Analyzed sample...