12/11/2023 0 Comments Cobalt strike softwareThis means that a malicious actor could exploit this behavior by means of an HTML tag, utilizing it to load a custom payload hosted on a remote server and inject it within the note field as well as the graphical file explorer menu in the Cobalt strike UI. "Disabling automatic parsing of html tags across the entire client was enough to mitigate this behavior." "Certain components within Java Swing will automatically interpret any text as HTML content if it starts with ," Greg Darwin, software development manager at HelpSystems, explained in a post. However, it was found that remote code execution could be triggered in specific cases using the Java Swing framework, the graphical user interface toolkit that's used to design Cobalt Strike. "The XSS vulnerability could be triggered by manipulating some client-side UI input fields, by simulating a Cobalt Strike implant check-in or by hooking a Cobalt Strike implant running on a host," IBM X-Force researchers Rio Sherri and Ruben Boonen said in a write-up. The issue, tracked as CVE-2022-42948, affects Cobalt Strike version 4.7.1, and stems from an incomplete patch released on September 20, 2022, to rectify a cross-site scripting ( XSS) vulnerability ( CVE-2022-39197) that could lead to remote code execution. The post-exploitation tool consists of a team server, which functions as a command-and-control (C2) component, and a beacon, the default malware used to create a connection to the team server and drop next-stage payloads. HelpSystems, the company behind the Cobalt Strike software platform, has released an out-of-band security update to address a remote code execution vulnerability that could allow an attacker to take control of targeted systems.Ĭobalt Strike is a commercial red-team framework that's mainly used for adversary simulation, but cracked versions of the software have been actively abused by ransomware operators and espionage-focused advanced persistent threat (APT) groups alike.
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