1400°
98w ago - Today Spanish PlayStation 3 developer
JaicraB has explained the Cobra USB JIG protection RTOC trick implemented for the PS3 against cloning the device.
To quote, roughly translated: Flynn sent me this text explaining this protective carrying the Cobra, I hope it will open the eyes of those interested in reversing the dumps.
EXPLAIN RTOC COBRA TRICK
The JIG Cobra has several protective measures to ensure that your code could not be used correctly even if your code could be dumped.
This trick RTOC in the registry is the first used for this purpose in addition to hinder analysis.
Registration is initially RTOC stored in the battery to keep the RTOC of lv2 and power it back later:
# =============== S U B R U T I O N E
cobra_syscall_sm_shutdown_hook: # CODE XREF: j syscall_379
. Arg_20 September, 0x20
. Arg_28 September, 0x28
. Arg_30 September, 0x30
. Arg_38 September, 0x38
. Arg_40 September, 0x40
mflr% r0
std% r0, arg_20 (% sp)
std% RTOC, arg_28 (% sp)
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