New Jupyter Infostealer Version Emerges with Sophisticated Stealth Tactics

An updated version of an information stealer malware known as Jupyter has resurfaced with "simple yet impactful changes" that aim to stealthily establish a persistent foothold on compromised systems. "The team has discovered new waves of Jupyter Infostealer attacks which leverage PowerShell comma...

The outstanding stealth of Operation Triangulation

Introduction In our previous blogpost on Triangulation, we discussed the details of TriangleDB, the main implant used in this campaign, its C2 protocol and the commands it can receive. We mentioned, among other things, that it is able to execute additional modules. We also mentioned that this...

Unveiling Lu0Bot Malware A Node.js-Based Threat

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Lu0Bot Malware, a Node.js-based threat, surfaced in February 2021 as a secondary payload in GCleaner attacks. This malware acts as a bot, responding to C2 server commands and transmitting encrypted syste...

Unveiling Lu0Bot Malware A Node.js-Based Threat

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Lu0Bot Malware, a Node.js-based threat, surfaced in February 2021 as a secondary payload in GCleaner attacks. This malware acts as a bot, responding to C2 server commands and transmitting encrypted syste...

Deadglyph Malware Emerges as a Game Changer for Stealth Falcon

Threat Level Actor Report For a detailed threat advisory, download the pdf file here Summary The cyber espionage group Stealth Falcon commenced covert operations and employed advanced backdoor malware called "Deadglyph" primarily to infiltrate Middle Eastern government entities. To receive...

Amazon Linux 2 : libreoffice (ALASLIBREOFFICE-2023-002)

The version of libreoffice installed on the remote host is prior to 5.3.6.1-21. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2LIBREOFFICE-2023-002 advisory. LibreOffice has a feature where documents can specify that pre-installed scripts can be executed on vario...

Important: libreoffice

Issue Overview: LibreOffice has a feature where documents can specify that pre-installed scripts can be executed on various document events such as mouse-over, etc. LibreOffice is typically also bundled with LibreLogo, a programmable turtle vector graphics script, which can be manipulated into...

Deadglyph: New Advanced Backdoor with Distinctive Malware Tactics

Cybersecurity researchers have discovered a previously undocumented advanced backdoor dubbed Deadglyph employed by a threat actor known as Stealth Falcon as part of a cyber espionage campaign. "Deadglyph's architecture is unusual as it consists of cooperating components – one a native x64 binary,...

Oracle Linux 8 : libreoffice (ELSA-2020-1598)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-1598 advisory. - Resolves: rhbz1743958 CVE-2019-9849, etc. Tenable has extracted the preceding description block directly from the Oracle Linux security advisory. Not...

Oracle Linux 7 : libreoffice (ELSA-2020-1151)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-1151 advisory. - Resolves: rhbz1743962 CVE-2019-9848 Tenable has extracted the preceding description block directly from the Oracle Linux security advisory. Note that...

How a Cyber Security Platform Addresses the 3 “S”

Explore how a security platform can help organizations address the 3 "S" impacting cybersecurity: stealth, sustainability, and shortage...

Stealth Soldier Strikes North Africa with Espionage Attacks

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Stealth Soldier is a backdoor malware that conducts surveillance and espionage attacks. It targeted North Africa by mimicking Libyan websites to distribute malware. To receive real-time threat advisories...

Stealth Soldier: A New Custom Backdoor Targets North Africa with Espionage Attacks

A new custom backdoor dubbed Stealth Soldier has been deployed as part of a set of highly-targeted espionage attacks in North Africa. "Stealth Soldier malware is an undocumented backdoor that primarily operates surveillance functions such as file exfiltration, screen and microphone recording,...

Volt Typhoon Chinese Espionage Group Targets U.S. Government

Threat Level Actor Report For a detailed threat advisory, download the pdf file here Summary Volt Typhoon, a state-sponsored threat group from China, employs stealthy techniques, exploits vulnerabilities, and focuses on espionage in cyber operations targeting critical infrastructure organizations...

Improved BlackCat Ransomware Strikes with Lightning Speed and Stealthy Tactics

The threat actors behind BlackCat ransomware have come up with an improved variant that prioritizes speed and stealth in an attempt to bypass security guardrails and achieve their goals. The new version, dubbed Sphynx and announced in February 2023, packs a "number of updated capabilities that...

Snake a Stealthy Cyber-Espionage Malware

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Snake is a powerful cyber-espionage malware developed by FSB & linked to Turla hackers. Boasts high stealth, rigorous engineering & global reach. To receive real-time threat advisories, please follow...

Hunting Russian Intelligence “Snake” Malware

SUMMARY The Snake implant is considered the most sophisticated cyber espionage tool designed and used by Center 16 of Russia’s Federal Security Service FSB for long-term intelligence collection on sensitive targets. To conduct operations using this tool, the FSB created a covert peer-to-peer P2P...

WindowSpy - A Cobalt Strike Beacon Object File Meant For Targetted User Surveillance

WindowSpy is a Cobalt Strike Beacon Object File meant for targetted user surveillance. The goal of this project was to trigger surveillance capabilities only on certain targets, e.g. browser login pages, confidential documents, vpn logins etc. The purpose was to increase stealth during user...

A look at a Magecart skimmer using the Hunter obfuscator

Threat actors are notorious for trying to hide their code in various ways, from binary packers to obfuscators. On their own, these tools are not always malicious as they can also be be used by companies or individuals who wish to keep their work safe from piracy, but overall they tend to be large...

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...