EchoGram is a malware family linked to campaigns within the Hidden Comet ecosystem.
EchoGram is a malware family linked to campaigns within the Hidden Comet ecosystem. A recent report highlights the Hidden Comet Browser API as capable of enabling dangerous local command execution, suggesting EchoGram could leverage browser contexts to issue commands on infected hosts. This signals a shift toward browser-assisted execution techniques that expand EchoGram's potential stealth and reach in compromised environments.
SquareX researchers have identified a hidden MCP API in the Comet AI browser that enables embedded extensions to execute local commands and potentially take full control of users' devices. This API circumvents…