Grant Hernandez
Hernan. Security researcher of embedded firmware and mobile devices..
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Security researcher of embedded firmware and mobile devices.
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CRC-32 VLSI Design using Cadence's Virtuoso
This semester at UCF I enrolled in a 5000 level (graduate level) Very Large Scale Integration (VLSI) class entitledEEE5390 “Full-Custom VLSI Design”.It caugh...
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Very Good News: Poorly Written Ransomware (LoroBot)
Author’s note: this report was written by me for Practical Malware Analysis (CAP6137 spring 2016) at UF. It’s written in a role-playing fasion.Our team at Sk...
Hernan.de news digest
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6 years
Moving a VMWare Fusion VM to a FAT32 External Hard Disk
Backing up or moving a VMWare Fusion VM to an external hard drive is usually no problem - except when your destination filesystem is FAT-32.
I use FAT-32 on my external drives for maximum compatibility between Mac, Windows and Linux. Unfortunately, FAT-32 is quite dated and doesn’t allow any file larger than 4GiB.... -
7 years
Lock and Load: Exploiting Counter Strike via BSP Map Files
One night while playing Counter Strike: Condition Zero (CZ), I decided to take a break and challenge myself to find an exploitable bug in the old engine known as GoldSrc. Condition Zero, Half-Life 1, and CS 1.6 all run off of the GoldSrc engine, which...
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8 years
This is a follow up to myprevious post on creating a CRC-32 chip from scratch using Cadence. Check it out as it goes over the design details.
tl;dr: see die shot images
After submitting my CRC-32 design to MOSIS for fabrication, I had to wait quite a while for the results (over 6 months), but considering it was... -
8 years
We are given a PCAPNG file with a bunch of USB packets. By scanning through the PCAP, I noticed that there appears to be a large amount of URB_INTERRUPT packets after some initial configuration and setup. On a hunch, I immediately suspected either a...
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| Web host: | InMotion Hosting, Inc. |
| Registrar: | DENIC eG |
| Registrant: | |
| Updated: | November 28, 2019 |
| Expires: | January 01, 1970 |
| Created: | January 01, 1970 |
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