Rairii (bootloader unlocked, MSR_LE set)
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rairii.social.nano.lgbt.ap.brid.gy
Rairii (bootloader unlocked, MSR_LE set)
@rairii.social.nano.lgbt.ap.brid.gy
Reversing (malware and otherwise); appsec and websec; embedded security; exploit dev; software preservationist; knows how not to use cryptography.

Currently […]

[bridged from https://social.nano.lgbt/@Rairii on the fediverse by https://fed.brid.gy/ ]
after some more yelling at NTFS related structures, I got my formatter code laying down an NTFS partition that both NT 3.51 and 4.0 can mount and chkdsk

the main issue is: bpb+0x40 (Bytes or Clusters per File Record Segment) is only allowed to be negative […]

[Original post on social.nano.lgbt]
November 11, 2024 at 1:28 PM
doing some disk-related experimentation
November 10, 2024 at 1:29 AM
some things (like ntvdm) are broken, but it should be good enough to debug things like usb drivers lol
November 6, 2024 at 6:07 PM
that broken thing: rfi is supposed to use MSR_ILE from the current MSR, not from SRR1

NT relies on this behaviour during a syscall, so if any interrupt or exception is taken during a syscall, things explode.
November 6, 2024 at 4:41 PM
when something as basic as exception handling is broken (MSR into SRR1 masking off more bits than it should), one wonders how powerpc qemu can run anything at all

fixing that gets this bugcheck, this is copying the font data which involves the first […]

[Original post on social.nano.lgbt]
November 5, 2024 at 6:26 PM
a few hours of hacking up a qemu tree later
November 4, 2024 at 10:34 PM
finish this sentence: chinese hardware and GPL violations go together like...
October 25, 2024 at 3:43 PM