Threat Roundup for April 19 to April 26

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between April 19 and April 26. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral...

Scranos: New Rapidly Evolving Rootkit-Enabled Spyware Discovered

A new powerful rootkit-enabled spyware operation has been discovered wherein hackers are distributing multifunctional malware disguised as cracked software or trojanized app posing as legitimate software like video players, drivers and even anti-virus products. While the rootkit malware—dubbed...

Scranos: New Rapidly Evolving Rootkit-Enabled Spyware Discovered

A new powerful rootkit-enabled spyware operation has been discovered wherein hackers are distributing multifunctional malware disguised as cracked software or trojanized app posing as legitimate software like video players, drivers and even anti-virus products. While the rootkit malware—dubbed...

First-Ever UEFI Rootkit Tied to Sednit APT

LEIPZIG, GERMANY – Researchers hunting cyber-espionage group Sednit an APT also known as Sofacy, Fancy Bear and APT28 say they have discovered the first-ever instance of a rootkit targeting the Windows Unified Extensible Firmware Interface UEFI in successful attacks. The discussion of Sednit was...

PT-2022-7655 · Gpac +1 · Gpac +1

Name of the Vulnerable Software and Affected Versions: gpac versions prior to 1.1.0 Description: The issue is related to a null pointer dereference in the gpac multimedia platform. This can be exploited to cause a denial of service. The vulnerability is being actively exploited in the wild, with...

Kernel-Mode Rootkit Hunter: Tyton

Loadable kernel modules, LKMs for short, are an integral companion to the Linux kernel. Typically, LKMs are used to add support for new hardware as device drivers or file systems or add additional system calls. Without LKMs, an operating system would have to include all possible anticipated...

Reptile Rootkit reptile_cmd Privilege Escalation

This module uses Reptile rootkit's reptilecmd backdoor executable to gain root privileges using the root command. This module has been tested successfully with Reptile from master branch 2019-03-04 on Ubuntu 18.04.3 x64 and Linux Mint 19 x64. Module Options msf use...

HPSBHF03595 rev. 6 - LoJax UEFI Rootkit

Potential Security Impact Elevation of Privilege, Information Disclosure, Loss of Confidentiality, Loss of Integrity. Source: HP, HP Product Security Response Team PSRT Reported by: ESET Research VULNERABILITY SUMMARY HP has identified a potential security vulnerability with a UEFI rootkit LoJax...

Photo Nettoyeur 1.4.5 Insecure File Permission Vulnerability

Exploit for windows platform in category local exploits i?-------------------------------------------------------- Exploit Title: Photo Nettoyeur 1.4.5 - Insecure File Permission Exploit Author : ZwX Vendor Homepage : http://www.marseillesoft.com/ Link Software :...

Russia’s Elite Fancy Bear Hackers Have a Clever New Trick

For the first time, a so-called UEFI rootkit has been spotted in the wild. And it appears to come from Russia...

Cybersecurity Researchers Spotted First-Ever UEFI Rootkit in the Wild

Cybersecurity researchers at ESET have unveiled what they claim to be the first-ever UEFI rootkit being used in the wild, allowing hackers to implant persistent malware on the targeted computers that could survive a complete hard-drive wipe. Dubbed LoJax , the UEFI rootkit is part of a malware...

Cybersecurity Researchers Spotted First-Ever UEFI Rootkit in the Wild

Cybersecurity researchers at ESET have unveiled what they claim to be the first-ever UEFI rootkit being used in the wild, allowing hackers to implant persistent malware on the targeted computers that could survive a complete hard-drive wipe. Dubbed LoJax, the UEFI rootkit is part of a malware...

An Open-Source Pre and Post Callback-Based Framework for macOS Kernel Monitoring: Kemon

If third-party vendors want to add new features to the macOS kernel, such as antivirus capabilities, ransomware blocking, data breach auditing, behavior monitoring and so on, they usually need the support of the system’s exported interfaces. At present, only two known official interfaces are...

Black Hat 2018: Update Mechanisms Allow Remote Attacks on UEFI Firmware

LAS VEGAS – Researchers said they found buffer overflow flaws in the firmware for ASRock and ASUS, potentially enabling bad actors to remotely launch man-in-the-middle MITM attacks. The findings, which will be presented Wednesday at Black Hat USA this week by researchers from Eclypsium, show that...

Design/Logic Flaw

Android devices with code from Ragentek contain a privileged binary that performs over-the-air OTA update checks. Additionally, there are multiple techniques used to hide the execution of this binary. This behavior could be described as a rootkit. This binary, which resides as /system/bin/debugs,...

CVE-2016-6564: Download of Code Without Integrity Check

Android devices with code from Ragentek contain a privileged binary that performs over-the-air OTA update checks. Additionally, there are multiple techniques used to hide the execution of this binary. This behavior could be described as a rootkit. This binary, which resides as /system/bin/debugs,...

Educational Ubuntu Linux Rootkit

The rootkit was tested to work on Linux kernels 2.6.32-38 and 4.4.0-22 as provided by Ubuntu in Ubuntu 10.04.4 LTS and Ubuntu 16.04 LTS respectively, but it should be very easy to port to kernels in-between, as well as newer ones. There is some architecture-specific code in the rootkit which is...

Lightweight and Practical Kernel Protector for x86: Shadow-Box

Shadow-box is a security monitoring framework for operating systems using state-of-the-art virtualization technologies. Shadow-box has a novel architecture inspired by a shadow play. We made Shadow-box from scratch, and it is primarily composed of a lightweight hypervisor and a security monitor...

GLSA-201805-11 : Rootkit Hunter: User-assisted execution of arbitrary code

The remote host is affected by the vulnerability described in GLSA-201805-11 Rootkit Hunter: User-assisted execution of arbitrary code A vulnerability was discovered in Rootkit Hunter that allows the downloading of mirror updates over insecure channels HTTP. Furthermore, the mirror update is then...

Rootkit Hunter: User-assisted execution of arbitrary code

Background Scans for known and unknown rootkits, backdoors, and sniffers. Description A vulnerability was discovered in Rootkit Hunter that allows the downloading of mirror updates over insecure channels HTTP. Furthermore, the mirror update is then executed in Bash. Impact A remote attacker, by...