Explained: Domain fronting

Domain fronting is a technique of using different domain names on the same HTTPS connection. Put simply, domain fronting hides your traffic when connecting to a specific website. It routes traffic through a larger platform, masking the true destination in the process. The technique became popular...

U.S. Treasury Sanctions North Korean Kimsuky Hackers and 8 Foreign-Based Agents

The U.S. Department of the Treasury's Office of Foreign Assets Control OFAC on Thursday sanctioned the North Korea-linked adversarial collective known as Kimsuky as well as eight foreign-based agents who are alleged to have facilitated sanctions evasion. The agents, the Treasury said, helped in...

The Lethal Advancement of DarkGate Malware-as-a-Service

Summary: DarkGate, a formidable Remote Access Trojan RAT, functions as a Malware-as-a-Service MaaS and is masterminded by the elusive RastaFarEye within the underground cybercrime landscape. The latest iteration, DarkGate 5.0.19, advances upon its predecessors with sophisticated evasion technique...

The Continued Evolution of the DarkGate Malware-as-a-Service

The Continued Evolution of the DarkGate Malware-as-a-Service By Ernesto Fernández Provecho, Pham Duy Phuc, Ciana Driscoll and Vinoo Thomas · November 21, 2023 On September 2023, the Trellix Security Operations Center SOC successfully detected and stopped an attack against Musarubra, the holding...

The Continued Evolution of the DarkGate Malware-as-a-Service

The Continued Evolution of the DarkGate Malware-as-a-Service By Ernesto Fernández Provecho, Pham Duy Phuc, Ciana Driscoll and Vinoo Thomas · November 21, 2023 On September 2023, the Trellix Security Operations Center SOC successfully detected and stopped an attack against Musarubra, the holding...

LummaC2 Malware Deploys New Trigonometry-Based Anti-Sandbox Technique

The stealer malware known as LummaC2 aka Lumma Stealer now features a new anti-sandbox technique that leverages the mathematical principle of trigonometry to evade detection and exfiltrate valuable information from infected hosts. The method is designed to "delay detonation of the sample until...

LightsOut - Generate An Obfuscated DLL That Will Disable AMSI And ETW

LightsOut will generate an obfuscated DLL that will disable AMSI & ETW while trying to evade AV. This is done by randomizing all WinAPI functions used, xor encoding strings, and utilizing basic sandbox checks. Mingw-w64 is used to compile the obfuscated C code into a DLL that can be loaded into a...

Cisco Secure Endpoint for Windows Scanning Evasion Vulnerability

A vulnerability in the endpoint software of Cisco Secure Endpoint for Windows could allow an authenticated, local attacker to evade endpoint protection within a limited time window. This vulnerability is due to a timing issue that occurs between various software components. An attacker could...

Jupyter Infostealer Returns with New Addition to Its Arsenal

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Jupyter Infostealer is a malware variant initially discovered in late 2020. Since then, it has undergone continued evolution, altering its delivery methods and techniques to avoid detection and establish...

Researchers Expose Prolific Puma's Underground Link Shortening Service

A threat actor known as Prolific Puma has been maintaining a low profile and operating an underground link shortening service that's offered to other threat actors for at least over the past four years. Prolific Puma creates "domain names with an RDGA registered domain generation algorithm and us...

Hackers Utilize MSIX App Packages to Disseminate GHOSTPULSE Malware

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary A new cyber attack campaign has emerged, involving the use of fake MSIX Windows app packages masquerading as legitimate applications. These deceptive MSIX packages are employed to distribute a new malwar...

Redefining the StripedFly Malware Framework

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary An intricate cross-platform malware framework, known as StripedFly, operated discreetly for five years, surreptitiously compromising over a million Windows and Linux systems. It skillfully evaded in-dept...

A cascade of compromise: unveiling Lazarus’ new campaign

Earlier this year, a software vendor was compromised by the Lazarus malware delivered through unpatched legitimate software. Whats remarkable is that these software vulnerabilities were not new, and despite warnings and patches from the vendor, many of the vendors systems continued to use the...

Malvertisers Using Google Ads to Target Users Searching for Popular Software

Details have emerged about a malvertising campaign that leverages Google Ads to direct users searching for popular software to fictitious landing pages and distribute next-stage payloads. Malwarebytes, which discovered the activity, said it's "unique in its way to fingerprint users and distribute...

Qubitstrike Targets Jupyter Notebooks with Crypto Mining and Rootkit Campaign

A threat actor, presumably from Tunisia, has been linked to a new campaign targeting exposed Jupyter Notebooks in a two-fold attempt to illicitly mine cryptocurrency and breach cloud environments. Dubbed Qubitstrike by Cado, the intrusion set utilizes Telegram API to exfiltrate cloud service...

The forgotten malvertising campaign

In recent weeks, we have noted an increase in malvertising campaigns via Google searches. Several of the threat actors we are tracking have improved their techniques to evade detection throughout the delivery chain. We believe this evolution will have a real world impact among corporate users...

Scanning evasion issue in Cisco Secure Email Gateway

Overview Cisco Secure Email Gateway provides anti-virus scanning facility for e-mail attachments. It was reported that a certain crafted file can evade anti-virus scanning facility. This issue was found by Takahiro Ohtani and Michael Joshua Telloyan in the Bug Bounty program at the University of...

JVN#58574030: Scanning evasion issue in Cisco Secure Email Gateway

Cisco Secure Email Gateway provides anti-virus scanning facility for e-mail attachments. It was reported that a certain crafted file can evade anti-virus scanning facility. Impact Some malicious contents may evade the scanning facility of the affected product and reach victim recipients. Solution...

ShellBot Malware Evades Detection Using Hexadecimal IP Addresses

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary ShellBot malware, targeting poorly managed Linux SSH servers, now employs hexadecimal IP addresses in its download URLs to evade detection. This change highlights the need for strong security measures an...

MAL-2023-8363 Malicious code in python-alibabacloud-tea-openapi (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: google-open-source-security 1a75cd94261db49f7ab1e359b2579e7645756a48f20eb6a49465f980f5c2b43d Attack targeted at users of Alibaba, AWS and Telegram via malicious packages published to PyPI. The malicious code was hidden in strategic...