Traditional monitoring tools reveal only traffic from the Chrome process, leaving security teams uncertain about which extension is responsible for a suspicious DNS query. ExtensionHound solves this by analyzing Chrome’s internal network state and linking DNS activity to specific extensions.
“This tool stands out because it was built from real-world needs, not theoretical concepts. It addresses the operational challenges SOC teams face daily by providing visibility into browser extensions and their underlying behavior—which has historically been difficult to achieve,” Amram Englander, the creator of ExtensionHound, told Help Net Security.
“Unlike other tools focusing on static analysis or generic risk assessments, this tool connects DNS network activity with extensions, giving security teams actionable insights during live investigations. It’s practical, efficient, and specifically designed to streamline workflows for analysts and responders,” Englander added.
The creator of ExtensionHound told us that future updates aim to enhance the tool’s capabilities, including:
ExtensionHound is available for free on GitHub.
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