Earlier this month, security researchers discovered a malicious package in the Python Package Index (PyPI) registry. Once in the system, PyMafka fetches a relevant Cobalt Strike beacon based on the victim’s OS. The name suggests that PyMafka is an attempt at typosquatting a PyKafka – a cluster-aware Kafka protocol client for Python. Detect PyMafka In […]
Chaos graphical user interface (GUI) builder has been on the market for less than a year, allowing adversaries to craft new ransomware strains. A new ransomware variant dubbed Yashma is its 6th version, available from May 2022. Yashma is the most refined version of this GUI ransomware builder that is known for its flexibility and […]
Researchers warn the global InfoSec community of a new malware campaign aimed to spread the infamous Cobalt Strike Beacon malware via fake Proof of Concept (POC) exploits of the newly patched Windows vulnerabilities, including the critical RCE flaw tracked as CVE-2022-26809. The public availability of fake exploits in GitHub raises the stakes exposing millions of […]
State-run threat actor Lazarus rides again, this time exploiting the notorious Log4Shell vulnerability in VMware Horizons servers. In this campaign, adversaries leverage Horizon, targeting the Republic of Korea with a NukeSped backdoor. First documented exploits date back to January 2022, with Lazarus hackers being spotted exploiting Log4Shell in VMware Horizons products since mid-Spring 2022. Almost […]
In May 2022, Linux-based systems are getting exposed to a number of threats coming from multiple attack vectors. Early this month, the BPFDoor surveillance implant hit the headlines compromising thousands of Linux devices. Another threat targeting Linux systems is looming on the horizon. Microsoft has observed an enormous surge of malicious activity from Linux XorDdos […]
Security researchers report on malicious activity associated with the distribution of BumbleBee malware traced back to the initial access broker (IAB) dubbed Exotic Lily. Research data suggest that adversaries use the file transfer tools such as TransferXL, TransferNow, and WeTransfer, to spread BumbleBee malware. The malware is used to launch Cobalt Strike attacks. Detect BumbleBee […]
Cybercrooks are targeting Microsoft Windows users with three fileless malware strains used at once in a new phishing campaign. The phishing mail mimics a payment report from a trusted source, with a brief request to view an attached Microsoft Excel document. The file contains weaponized macros and, once launched, drops the malware aimed to steal […]
Germany-located users are falling victim to a new malware campaign designed to spread a custom-built PowerShell remote access trojan (RAT). Adversaries set up a decoy site to trick people into taking the bait in a phony newsflash that claims to offer previously unpublished information regarding the situation in Ukraine. Victims are urged to download a […]
On May 18, 2022, CISA issued a notice warning organizations of potential exploitation attempts of known vulnerabilities in the VMware products tracked as CVE-2022-22954 and CVE-2022-22960. Once exploited, the revealed flaws give green light to threat actors to perform malicious template injection on the server end. More specifically, the exploitation of the CVE-2022-22954 can lead […]
While cybersecurity professionals are working hard to augment SOC operations with more scalable and innovative solutions, threat actors are also putting an effort not to be left to bring up the rear in this everlasting security race. Security researchers detect the surge in the numbers of malware-as-a-service (MaaS) offers, with its operators coming with new […]