Select Ukrainian government networks have remained infected with a malware called OfflRouter since 2015. Cisco Talos said its findings are based on an analysis of over 100 confidential documents that were infected with the VBA macro virus and uploaded to the VirusTotal malware scanning platform since 2018. More than 20 such documents have been uploaded […]
A new Android trojan called SoumniBot has been detected in the wild targeting users in South Korea by leveraging weaknesses in the manifest extraction and parsing procedure. The malware is “notable for an unconventional approach to evading analysis and detection, namely obfuscation of the Android manifest,” Kaspersky researcher Dmitry Kalinin said in a technical analysis. […]
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 to host second stage malware and sidestep detection tools,” ReversingLabs researcher Karlo Zanki said […]
A new variant of the GootLoader malware called GootBot has been found to facilitate lateral movement on compromised systems and evade detection. “The GootLoader group’s introduction of their own custom bot into the late stages of their attack chain is an attempt to avoid detections when using off-the-shelf tools for C2 such as CobaltStrike or […]
The Russia-linked hacking crew known as Turla has been observed using an updated version of a known second-stage backdoor referred to as Kazuar. The new findings come from Palo Alto Networks Unit 42, which is tracking the adversary under its constellation-themed moniker Pensive Ursa. “As the code of the upgraded revision of Kazuar reveals, the […]
According to a recent study published by the leading cybersecurity agency in France, a hacking organisation affiliated with Russia’s military intelligence agency has been spying on French colleges, corporations, think tanks, and government institutions. The research was published by the agency. Since the second half of 2021, the group of hackers known as Fancy Bear […]
The backdoor implanted on Cisco devices by exploiting a pair of zero-day flaws in IOS XE software has been modified by the threat actor so as to escape visibility via previous fingerprinting methods. “Investigated network traffic to a compromised device has shown that the threat actor has upgraded the implant to do an extra header […]
The threat actors behind ShellBot are leveraging IP addresses transformed into their hexadecimal notation to infiltrate poorly managed Linux SSH servers and deploy the DDoS malware. “The overall flow remains the same, but the download URL used by the threat actor to install ShellBot has changed from a regular IP address to a hexadecimal value,” […]
Threat actors are using Android Package (APK) files with unknown or unsupported compression methods to elude malware analysis. That’s according to findings from Zimperium, which found 3,300 artifacts leveraging such compression algorithms in the wild. 71 of the identified samples can be loaded on the operating system without any problems. There is no evidence that […]
Sysdig, a company that specializes in cybersecurity intelligence, uncovered a sophisticated hacking operation known as Scarleteel in February. Since then, Scarleteel has refined both its infection and exfiltration techniques and moved into phase two. Recent operations by Scarleteel have targeted settings such as AWS Fargate and Kubernetes, which indicates a clear shift from just crypto […]
Mockingjay is the name of an innovative process injection approach that has the potential to enable threat actors to avoid being detected by EDR (Endpoint Detection and Response). Process injection is a well-known method that malicious software and attackers use to introduce and execute code into the memory area of a process. This may be […]
A new process injection technique dubbed Mockingjay could be exploited by threat actors to bypass security solutions to execute malicious code on compromised systems. “The injection is executed without space allocation, setting permissions or even starting a thread,” Security Joes researchers Thiago Peixoto, Felipe Duarte, and Ido Naor said in a report shared with The […]
The threat actors behind the Vidar malware have made changes to their backend infrastructure, indicating attempts to retool and conceal their online trail in response to public disclosures about their modus operandi. “Vidar threat actors continue to rotate their backend IP infrastructure, favoring providers in Moldova and Russia,” cybersecurity company Team Cymru said in a […]
In today’s interconnected world, where digital communication and transactions dominate, phishing attacks have become an ever-present threat. By masquerading as trustworthy entities, phishing attacks deceive users and organizations into divulging sensitive information, such as passwords, financial data, and personal details. Phishing attacks, among the most prevalent techniques cyber criminals employ, can be straightforward yet highly […]
A few weeks ago, the 32nd edition of RSA, one of the world’s largest cybersecurity conferences, wrapped up in San Francisco. Among the highlights, Kevin Mandia, CEO of Mandiant at Google Cloud, presented a retrospective on the state of cybersecurity. During his keynote, Mandia stated: “There are clear steps organizations can take beyond common safeguards […]
Cybersecurity researchers have found a way to exploit a recently disclosed critical flaw in PaperCut servers in a manner that bypasses all current detections. Tracked as CVE-2023-27350 (CVSS score: 9.8), the issue affects PaperCut MF and NG installations that could be exploited by an unauthenticated attacker to execute arbitrary code with SYSTEM privileges. While the […]
A significant number of victims in the consumer and enterprise sectors located across Australia, Japan, the U.S., and India have been affected by an evasive information-stealing malware called ViperSoftX. ViperSoftX was first documented by Fortinet in 2020, with cybersecurity company Avast detailing a campaign in November 2022 that leveraged the malware to distribute a malicious […]
Google released the threat horizon report for April 2023, which showed multiple methods used by threat actors for evading security systems. Google’s Cybersecurity Action Team (GCAT) and Mandiant researched a list of techniques and methods used by threat actors over the period for penetrating the environments and other malicious activities. Cloud-Hosted Encrypted ZIP Files Evading […]
The Goose Tool is a new free tool that may assist network defenders in identifying possibly malicious activities in Microsoft Azure, Azure Active Directory, and Microsoft 365 environments. It was developed by CISA and is available on their website. The Unidentified Goose Tool, which was developed with assistance from Sandia National Laboratories, provides network defenders […]
A malicious Python package on the Python Package Index (PyPI) repository has been found to use Unicode as a trick to evade detection and deploy an info-stealing malware. The package in question, named onyxproxy, was uploaded to PyPI on March 15, 2023, and comes with capabilities to harvest and exfiltrate credentials and other valuable data. […]
The threat group tracked as REF2924 has been observed deploying previously unseen malware in its attacks aimed at entities in South and Southeast Asia. The malware, dubbed NAPLISTENER by Elastic Security Labs, is an HTTP listener programmed in C# and is designed to evade “network-based forms of detection.” REF2924 is the moniker assigned to an […]