How ransomware operators try to stay under the radar

An often heard remark is that when your security solution notices a ransomware attack, it’s already too late. Theres a lot of truth in that, if you consider the encryption process to be the ransomware attack. However, these days encryption is just a part of many ransomware attacks. Some of the...

ProcessStomping - A Variation Of ProcessOverwriting To Execute Shellcode On An Executable'S Section

A variation of ProcessOverwriting to execute shellcode on an executable's section What is it For a more detailed explanation you can read my blog post Process Stomping, is a variation of hasherezade’s Process Overwriting and it has the advantage of writing a shellcode payload on a targeted sectio...

Hackers Abusing GitHub to Evade Detection and Control Compromised Hosts

Threat actors are increasingly making use of GitHub for malicious purposes through novel methods, including abusing secret Gists and issuing malicious commands via git commit messages. "Malware authors occasionally place their samples in services like Dropbox, Google Drive, OneDrive, and Discord ...

Rhadamanthys Stealer Version 0.5.0 Upgrade Overview

Summary: Rhadamanthys, the information-stealing malware, has taken a significant leap with its v0.5.0 upgrade, introducing expanded stealing features, raw syscalls, and an enhanced loader design, showcasing advanced evasion techniques. Its modular architecture allows for continuous updates,...

Cybercrooks leveraging anti automation toolkit for phishing campaigns

Cybercrooks Leveraging Anti Automation Toolkit for Phishing Campaigns By Vihar Shah and Rohan Shah · December 18, 2023 Threat actors have a track record of abusing tools hosted on GitHub for malicious purposes. Last year we showed how attackers abused Python’s tarfile module. Trellix Advanced...

Cybercrooks leveraging anti automation toolkit for phishing campaigns

Cybercrooks Leveraging Anti Automation Toolkit for Phishing Campaigns By Vihar Shah and Rohan Shah · December 18, 2023 Threat actors have a track record of abusing tools hosted on GitHub for malicious purposes. Last year we showed how attackers abused Python’s tarfile module. Trellix Advanced...

Cisco Secure Endpoint for Windows Scanning Evasion (cisco-sa-secure-endpoint-dos-RzOgFKnd)

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...

Russian SVR-Linked APT29 Targets JetBrains TeamCity Servers in Ongoing Attacks

Threat actors affiliated with the Russian Foreign Intelligence Service SVR have targeted unpatched JetBrains TeamCity servers in widespread attacks since September 2023. The activity has been tied to a nation-state group known as APT29, which is also tracked as BlueBravo, Cloaked Ursa, Cozy Bear,...

New Linux Krasue RAT Targeting Telecom Companies in Thailand

Summary: Krasue, a new Linux Remote Access Trojan, targets Thai organizations, primarily in telecommunications, using embedded rootkits and a unique RTSP-based communication tactic. Believed to be connected to XorDdos, it evades detection through various stealth measures, emphasizing the importan...

Star Blizzard Continues to Refine Their Tradecraft for Evasion and Stealth

Summary: The Russia-based threat actor, Star Blizzard, continues to utilize spear-phishing attacks successfully, targeting organizations and individuals across various geographical regions for information-gathering activities. Star Blizzard has improved its detection evasion capabilities since 20...

New PoolParty Process Injection Techniques Outsmart Top EDR Solutions

A new collection of eight process injection techniques, collectively dubbed PoolParty, could be exploited to achieve code execution in Windows systems while evading endpoint detection and response EDR systems. SafeBreach researcher Alon Leviev said the methods are "capable of working across all...

Users can unwrap assets in batches and avoid paying fees to protocol

Lines of code Vulnerability details Impact Users can unwrap their assets from The Ocean and evade paying fees to the protocol when the requested amount is smaller than the fee divisor. This happens due to a truncation of the result in the fee calculation. Proof of Concept This affects the...

Star Blizzard increases sophistication and evasion in ongoing attacks

Microsoft Threat Intelligence continues to track and disrupt malicious activity attributed to a Russian state-sponsored actor we track as Star Blizzard formerly SEABORGIUM, also known as COLDRIVER and Callisto Group. Star Blizzard has improved their detection evasion capabilities since 2022 while...

New P2PInfect Botnet MIPS Variant Targeting Routers and IoT Devices

Cybersecurity researchers have discovered a new variant of an emerging botnet called P2PInfect that's capable of targeting routers and IoT devices. The latest version, per Cado Security Labs, is compiled for Microprocessor without Interlocked Pipelined Stages MIPS architecture, broadening its...

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...