Cybersecurity researchers have identified a ”lightweight method” called iShutdown for reliably identifying signs of spyware on Apple iOS devices, including notorious threats like NSO Group’s Pegasus, QuaDream’s Reign, and Intellexa’s Predator.
Kaspersky, which analyzed a set of iPhones that were compromised with Pegasus, said the infections left traces in a file named ”Shutdown.log,” a text-based system log file available on all iOS devices and which records every reboot event alongside its environment characteristics.
”Compared to more time-consuming acquisition methods like forensic device imaging or a full iOS backup, retrieving the Shutdown.log file is rather straightforward,” security researcher Maher Yamout said. ”The log file is stored in a sysdiagnose (sysdiag) archive.”
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Från den 16 augusti 2016....
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