Aug 05, 2023THNLinux / Malware Threat actors are using an open-source rootkit called Reptile to target Linux systems in South Korea. "Unlike other rootkit malware that typically only provide concealment capabilities, Reptile goes a step further by offering a reverse shell, allowing threat actors to easily take control of systems," the AhnLab Security Emergency Response Center … [Read more...] about Advanced Linux Malware Targeting South Korean Systems
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New OpenSSH Vulnerability Exposes Linux Systems to Remote Command Injection
Jul 24, 2023THNLinux / Network Security Details have emerged about a now-patched flaw in OpenSSH that could be potentially exploited to run arbitrary commands remotely on compromised hosts under specific conditions. "This vulnerability allows a remote attacker to potentially execute arbitrary commands on vulnerable OpenSSH's forwarded ssh-agent," Saeed Abbasi, manager of … [Read more...] about New OpenSSH Vulnerability Exposes Linux Systems to Remote Command Injection
Rockwell Automation ControlLogix Bugs Expose Industrial Systems to Remote Attacks
Jul 13, 2023THNOT/ICS, SCADA Cybersecurity The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has alerted of two security flaws impacting Rockwell Automation ControlLogix EtherNet/IP (ENIP) communication module models that could be exploited to achieve remote code execution and denial-of-service (DoS). "The results and impact of exploiting these vulnerabilities … [Read more...] about Rockwell Automation ControlLogix Bugs Expose Industrial Systems to Remote Attacks
Hackers Using Golang Variant of Cobalt Strike to Target Apple macOS Systems
May 16, 2023Ravie LakshmananEndpoint Security / Cyber Threat A Golang implementation of Cobalt Strike called Geacon is likely to garner the attention of threat actors looking to target Apple macOS systems. The findings come from SentinelOne, which observed an uptick in the number of Geacon payloads appearing on VirusTotal in recent months. "While some of these are likely … [Read more...] about Hackers Using Golang Variant of Cobalt Strike to Target Apple macOS Systems
Industrial control systems security with Elastic Security and Zeek
Keeping track of all ICS asset history and accurate status in a global inventory is critical not only for purposes like maintenance, cost management, and environment optimization but also for the system's security. Well-implemented and maintained inventories are key to ICS security programs, since you can’t protect what you don’t know about. Knowing what is on the ICS network, … [Read more...] about Industrial control systems security with Elastic Security and Zeek
New All-in-One “EvilExtractor” Stealer for Windows Systems Surfaces on the Dark Web
Apr 24, 2023Ravie LakshmananCyber Risk / Dark Web A new "all-in-one" stealer malware named EvilExtractor (also spelled Evil Extractor) is being marketed for sale for other threat actors to steal data and files from Windows systems. "It includes several modules that all work via an FTP service," Fortinet FortiGuard Labs researcher Cara Lin said. "It also contains environment … [Read more...] about New All-in-One “EvilExtractor” Stealer for Windows Systems Surfaces on the Dark Web
New Version of Prometei Botnet Infects Over 10,000 Systems Worldwide
Mar 10, 2023Ravie LakshmananEndpoint Security / Hacking An updated version of a botnet malware called Prometei has infected more than 10,000 systems worldwide since November 2022. The infections are both geographically indiscriminate and opportunistic, with a majority of the victims reported in Brazil, Indonesia, and Turkey. Prometei, first observed in 2016, is a modular … [Read more...] about New Version of Prometei Botnet Infects Over 10,000 Systems Worldwide
CISA Warns of Flaws in Siemens, GE Digital, and Contec Industrial Control Systems
Jan 18, 2023Ravie LakshmananICS/SCADA Security The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has published four Industrial Control Systems (ICS) advisories, calling out several security flaws affecting products from Siemens, GE Digital, and Contec. The most critical of the issues have been identified in Siemens SINEC INS that could lead to remote code … [Read more...] about CISA Warns of Flaws in Siemens, GE Digital, and Contec Industrial Control Systems
Researchers Uncover 3 PyPI Packages Spreading Malware to Developer Systems
Jan 17, 2023Ravie LakshmananSoftware Security / Supply Chain A threat actor by the name Lolip0p has uploaded three rogue packages to the Python Package Index (PyPI) repository that are designed to drop malware on compromised developer systems. The packages – named colorslib (versions 4.6.11 and 4.6.12), httpslib (versions 4.6.9 and 4.6.11), and libhttps (version 4.6.12) – by … [Read more...] about Researchers Uncover 3 PyPI Packages Spreading Malware to Developer Systems
New shc-based Linux Malware Targeting Systems with Cryptocurrency Miner
Jan 04, 2023Ravie LakshmananLinux / Cryptocurrency A new Linux malware developed using the shell script compiler (shc) has been observed deploying a cryptocurrency miner on compromised systems. "It is presumed that after successful authentication through a dictionary attack on inadequately managed Linux SSH servers, various malware were installed on the target system," AhnLab … [Read more...] about New shc-based Linux Malware Targeting Systems with Cryptocurrency Miner