Earlier this year, we started hunting for possible new DeftTorero (aka Lebanese Cedar, Volatile Cedar) artifacts. This threat actor is believed to originate from the Middle East and was publicly disclosed to the cybersecurity community as early as 2015. Notably, no other intelligence was shared until 2021, which led us to speculate on a possible shift by the threat actor to more fileless/LOLBINS techniques, and the use of known/common offensive tools publicly available on the internet that allows them to blend in.

Earlier this year, Mandiant identified a novel malware ecosystem impacting VMware ESXi, Linux vCenter servers, and Windows virtual machines that enables a threat actor to take the following actions:

1) Maintain persistent administrative access to the hypervisor
2) Send commands to the hypervisor that will be routed to the guest VM for execution
3) Transfer files between the ESXi hypervisor and guest machines running beneath it
4) Tamper with logging services on the hypervisor

The notorious North Korean hacking group 'Lazarus' was seen installing a Windows rootkit that abuses a Dell hardware driver in a Bring Your Own Vulnerable Driver attack.

ESET researchers have discovered Lazarus attacks against targets in the Netherlands and Belgium that use spearphishing emails connected to fake job offers.

Yesterday, cybersecurity vendor GTSC Cyber Security dropped a blog saying they had detected exploitation of a new Microsoft Exchange zero…

The Russian government is planning “massive cyberattacks” against Ukrainian critical infrastructure facilities to “increase the effect of missile strikes on electrical supply facilities,” the Ukrainian government said Monday.

For decades, security researchers warned about techniques for hijacking virtualization software. Now one group has put them into practice.

Black Lotus Labs, the threat intelligence arm of Lumen Technologies, recently uncovered a multifunctional Go-based malware developed for Windows and Linux

Circa the beginning of August 2022, while doing security monitoring & incident response services, GTSC SOC team discovered that a critical infrastructure was being attacked, specifically to their Microsoft Exchange application. During the investigation, GTSC Blue Team experts determined that the attack utilized an unpublished Exchange security vulnerability, i.e., a 0-day vulnerability, thus immediately came up with a temporary containment plan.

Espionage group begins using new backdoor that leverages rarely seen steganography technique.

In recent months, Microsoft detected weaponization of legitimate open-source software by an actor the Microsoft Threat Intelligence Center (MSTIC) tracks as ZINC, targeting employees at media, defense and aerospace, and IT service provider organizations in the US, UK, India, and Russia.

The National Cyber Security Centre’s CEO Lindy Cameron delivered a keynote speech at the Chatham House security and defence conference 2022.

Lindy Cameron discussed the cyber dimension of the Russia-Ukraine conflict, focusing on what the NCSC has observed and the UK’s response.

In this intrusion from May 2022, the threat actors used BumbleBee as the initial access vector. BumbleBee has been identified as an initial access vector utilized by several ransomware affiliates. …

NullMixer is a dropper delivering a number of Trojans, such as RedLine Stealer, SmokeLoader, Satacom, and others.

CISA received seven files for analysis. Six Java Server Pages (JSP) webshells and a Bourne Again SHell (bash) file. Five JSP webshell files are designed to parse inbound requests for commands for execution, download files, and upload files. One JSP webshell file contains a form with input fields that prompts the attacker to enter the command in the input box and click "run" to execute. The command output will be displayed in a JSP page. The bash file is designed to perform ldapsearch queries and store the output into a newly created directory.

First Coinbase, now Crypto.com. Lazarus campaign targets more crypto exchange platform job seekers with multi-stage malware.

New research shows how third-party apps could be exploited to infiltrate these sensitive workplace tools.

HUMAN's Satori Threat Intelligence and Research Team uncovered a network of 89 Android and iOS apps committing various flavors of ad fraud.

Analysis of APT28/Fancy Bear PowerPoint mouse-over campaign

Multiple self-proclaimed hacktivist groups are conducting attacks in support of Russian interests.