![]() ![]() XPC is one of the IPC mechanisms used in macOS and iOS. We get an XPC server and the associated client, both of them are heavily sandboxed, and we are provided with all the sources (both the source code and the sandbox profiles).īefore diving into the technical details, let's introduce some concepts. We managed to finish one of them after the end of the CTF, □ Sandbox Share, and thought that it was worth a blog post. We did well and won the first place! Four of the challenges were, in the organizers word, especially challenging and two of them were not solved during the contest. Last weekend, Synacktiv CTF team played to the Alles CTF.
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