Today we're publishing a detailed technical writeup of FORCEDENTRY, the zero-click iMessage exploit linked by Citizen Lab to the exploitation of journalists,
activists and dissidents around the world. googleprojectzero.blogspot.com/2021/12/a-deep
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Huge thanks to Citizen Lab for sharing a sample of the exploit and Apple for their invaluable technical assistance.
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"JBIG2 doesn't have scripting capabilities, but when combined with a vulnerability, it does have the ability to emulate circuits of arbitrary logic gates operating on arbitrary memory. So why not just use that to build your own computer architecture and script that!?" wtf.
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Needs a yosys backend.
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Turning a one pass renderer into a logic execution environment, then building a computer architecture on top of that? Mind blown.
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Advanced malware writers are clever! IIRC the stuxnet people made an entire virtual file system using the Windows registry. Yrs ago I read a claim that someone & their peeps had made a prototype or theoretical persistent malware/adware system that used just interrupts on Windows!
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