Ten years after it was first unveiled, the powerful firmware analysis platform Ofrak is now available to anyone.
a tool for analyzing firmware, the foundational software that underpins any computer and coordinates between hardware and software. The tool was specifically designed to elucidate internet-of-things device firmware and the compiled “binaries” running on anything from a home printer to an industrial door controller.
“This is really useful if you want to understand how a mysterious embedded device works, whether there are vulnerabilities inside, and how you can protect these embedded devices against exploitation,” Cui explained in 2012. “FRAK will be open source very soon, so we’re working hard to get that out there. I want to do one more pass, internal code review before you guys see my dirty laundry.”launching“In 2012 I thought, here’s a framework that would help researchers move embedded security forward.
Cui’s 2012 demo of FRAK raised some hackles because the concept included tailored firmware unpackers for specific vendors’ products. Today, Ofrak is simply a general tool that doesn’t wade into potential trade secrets or intellectual property concerns. Like other reverse engineering platforms, including thetool, the stalwart disassembler IDA, or the firmware analysis tool Binwalk, Ofrak is a neutral investigative framework.
“What makes it unique is it’s designed to provide a common interface for other tools, so the benefit is that you can use all different tools depending on what you have at your disposal or what works best for a certain project,” Strieb says.
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