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Palo Alto Networks has  shared  remediation guidance for a recently disclosed critical security flaw impacting PAN-OS that has come under active exploitation. The vulnerability, tracked as  CVE-2024-3400  (CVSS score: 10.0), could be weaponized to obtain unauthenticated remote shell command execution on susceptible devices. It has been addressed in multiple versions of PAN-OS 10.2.x, 11.0.x, and 11.1.x. There is evidence to suggest that the issue has been exploited as a zero-day since at least March 26, 2024, by a threat cluster tracked as UTA0218. The activity, codenamed  Operation MidnightEclipse , entails the use of the flaw to drop a Python-based backdoor called UPSTYLE that's capable of executing commands transmitted via specially crafted requests. The intrusions have not been linked to a known threat actor or group, but it's suspected to be a state-backed hacking crew given the tradecra...

Threat actors are attempting to actively exploit a critical security flaw in the ValvePress Automatic plugin for WordPress that could allow site takeovers. The shortcoming, tracked as  CVE-2024-27956 , carries a CVSS score of 9.9 out of a maximum of 10. It impacts all versions of the plugin prior to 3.92.0. The issue has been resolved in version 3.92.1 released on February 27, 2024, although the release notes make no mention of it. "This vulnerability, a SQL injection (SQLi) flaw, poses a severe threat as attackers can exploit it to gain unauthorized access to websites, create admin‑level user accounts, upload malicious files, and potentially take full control of affected sites," WPScan  said  in an alert this week. According to the Automattic-owned company, the issue is rooted in the plugin's user authentication mechanism, which can be trivially circumvented to execute arbitrary SQL queries against the database by means of specially crafted requests. In ...

The North Korea-linked threat actor known as Lazarus Group employed its time-tested fabricated job lures to deliver a new remote access trojan called Kaolin RAT as part of attacks targeting specific individuals in the Asia region in summer 2023. The malware could, "aside from standard RAT functionality, change the last write timestamp of a selected file and load any received DLL binary from [command-and-control] server," Avast security researcher Luigino Camastra  said  in a report published last week. The RAT acts as a pathway to deliver the FudModule rootkit, which has been recently observed leveraging a now-patched  admin-to-kernel exploit  in the appid.sys driver (CVE-2024-21338, CVSS score: 7.8) to obtain a kernel read/write primitive and ultimately disable security mechanisms. The Lazarus Group's use of job offer lures to infiltrate targets is not new. Dubbed Operation Dream Job, the  long-running campaign ...

Follow this real-life network attack simulation, covering 6 steps from Initial Access to Data Exfiltration. See how attackers remain undetected with the simplest tools and why you need multiple choke points in your defense strategy. Surprisingly, most network attacks are not exceptionally sophisticated, technologically advanced, or reliant on zero-day tools that exploit edge-case vulnerabilities. Instead, they often use commonly available tools and exploit multiple vulnerability points. By simulating a real-world network attack, security teams can test their detection systems, ensure they have multiple choke points in place, and demonstrate the value of networking security to leadership. In this article, we demonstrate a real-life attack that could easily occur in many systems. The attack simulation was developed based on the MITRE ATT&CK framework, Atomic Red Team,  Cato Networks ' experience in the field, and publ...

The U.S. Department of Justice (DoJ) on Wednesday  announced  the arrest of two co-founders of a cryptocurrency mixer called Samourai and seized the service for allegedly facilitating over $2 billion in illegal transactions and for laundering more than $100 million in criminal proceeds. To that end, Keonne Rodriguez, 35, and William Lonergan Hill, 65, have been charged with conspiracy to commit money laundering and conspiracy to operate an unlicensed money transmitting business from 2015 through February 2024. Rodriguez and Hill face a maximum sentence of 25 years in prison each. Rodriguez, the CEO of the company, and CTO Hill intentionally designed Samourai to help "criminals to engage in large-scale money laundering and sanctions evasion," while ostensibly marketing as a privacy-oriented service, the DoJ said. Samourai laundered money from illegal dark web marketplaces, including Silk Road and Hydra, as well as spear-phishing schemes and sca...