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This advisory details recent tactics, techniques, and procedures (TTPs) of the group commonly known as APT29, also known as Midnight Blizzard, the Dukes, or Cozy Bear.
The UK National Cyber Security Centre (NCSC) and international partners assess that APT29 is a cyber espionage group, almost certainly part of the SVR, an element of the Russian intelligence services.…
______________________ Summary: The article discusses the technique of HTML smuggling and introduces a new approach using Web Assembly (Wasm). It explains how Wasm allows code to be written in system languages like C++, Rust, and Go, and compiled to run in the browser. The author also provides a proof-of-concept tool called “SilkWasm” for generating Wasm smuggles.…
By Nati Tal, Oleg Zaytsev (Guardio Labs)
Guardio Labs uncovers a sprawling campaign of subdomain hijacking, compromising already over 8,000 domains from esteemed brands and institutions, including MSN, VMware, McAfee, The Economist, Cornell University, CBS, Marvel, eBay and others.…
The figures above are based on detection statistics received from Kaspersky users who consented to sharing usage data with Kaspersky Security Network. The data for years preceding 2023 may differ from that published previously, as the calculation methodology was refined, and the data was retrospectively revised in 2023.…
Published On : 2024-02-23
EXECUTIVE SUMMARYAt CYFIRMA, we are dedicated to providing current insights into prevalent threats and strategies utilized by malicious entities, targeting both organizations and individuals. This in-depth examination focuses on the proliferation of Xeno RAT; an intricately designed malware, crafted with advanced functionalities, conveniently accessible at no cost on GitHub.…
AhnLab SEcurity intelligence Center (ASEC) recently discovered that Nood RAT is being used in malware attacks. Nood RAT is a variant of Gh0st RAT that works in Linux. Although the number of Gh0st RAT for Linux is fewer compared to Gh0st RAT for Windows, the cases of Gh0st RAT for Linux are continuously being collected.…
Quasar is a legitimate remote administration tool that has become popular among threat actors due to its range of capabilities and availability in open source. This blog details how Darktrace detected this tool without using signatures and how Darktrace RESPOND can be configured to block its malicious usage.…
This blog was authored by Tomas Nieponice on February 23, 2024
This work was made in the context of a 3-week winter cybersecurity internship by the author at the Stratosphere Laboratory, which involved learning about networking, malware reversing, programming and science communication. The internship was done under the supervision of Assist.…
Scattered Spider (aka UNC3944, Scatter Swine, Muddled Libra, Octo Tempest, Oktapus, StarFraud) is a lucrative intrusion set active since at least May 2022, primarily engaged in social engineering, ransomware, extortion campaigns and other advanced techniques.
The intrusion set employs state-of-the-art techniques, particularly related to social engineering, such as impersonation of IT personnel to deceive employees for targeted phishing, SIM swapping, leverage of MFA fatigue, and contact with victims’ support teams.…
Cado Security Labs researchers have recently encountered a novel malware campaign targeting Redis for initial access. Whilst Redis is no stranger to exploitation by Linux and cloud-focused attackers, this particular campaign involves the use of a number of novel system weakening techniques against the data store itself. …
[This is a Guest Diary by Rafael Larios, an ISC intern as part of the SANS.edu BACS program]
About This Blog Post
This article is about one of the ways attackers on the open Internet are attempting to use the Mirai Botnet [1][2] malware to exploit vulnerabilities on exposed IoT devices.…
Today’s attackers are taking advantage of changing business dynamics to target people everywhere they work. Staying current on the latest cybersecurity attack vectors and threats is an essential part of securing the enterprise against breaches and compromised data.…
In this blog we discuss Gootloader, a popular loader malware variant that was observed affecting a Darktrace customer in late 2023. Darktrace was able to identify and contain the suspicious attack activity before it could become a disruptive network compromise.
What is multi-functional malware?While traditional malware variants were designed with one specific objective in mind, the emergence of multi-functional malware, such as loader malware, means that organizations are likely to be confronted with multiple malicious tools and strains of malware at once.…
This post is also available in: 日本語 (Japanese)
Executive SummaryInsidious Taurus (aka Volt Typhoon) is identified by U.S. government agencies and international government partners as People’s Republic of China (PRC) state-sponsored cyber actors. This group focuses on pre-positioning themselves within U.S. critical infrastructure IT networks, likely in preparation for disruptive or destructive cyberattacks in the event of a major crisis or conflict with the United States.…
DarkGate is a commodity loader written in Borland Delphi that was first identified in 2018 and has been advertised under the Malware-as-a-Service (MaaS) business model on popular cybercrime forums since June 2023.
It has a wide range of capabilities, such as the ability to download and execute files in memory, environment reconnaissance and information gathering, privilege escalation, remote access software deployment, and a Hidden Virtual Network Computing (HVNC) module.…
In Q1 2024, ReliaQuest detected suspicious JavaScript files in customer environments—including “update.js,” a common file name used by SocGholish and other fake-update malware variants. While reviewing the execution of the first-stage payload, we identified a new behavior for this malware: the ingress of Python for persistence. …
Through its managed security services offerings, Volexity routinely identifies spear-phishing campaigns targeting its customers. One persistent threat actor, whose campaigns Volexity frequently observes, is the Iranian-origin threat actor CharmingCypress (aka Charming Kitten, APT42, TA453). Volexity assesses that CharmingCypress is tasked with collecting political intelligence against foreign targets, particularly focusing on think tanks, NGOs, and journalists.…