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Re: Writing a patch in ASM

The most obvious issue is that INT 16 is not "unhooked" before the program terminates; but that would only causes a crash after termination when the program's memory block is released, leaving the INT 16 handler code likely to be overwritten by the next program executed. So next program hangs …

Re: Writing a patch in ASM

The file patcher was a good stepping stone, but I'm still stuck with the loader. Now I switched to NASM as BloodyCactus suggested, but I'm running into some conversion trouble. So I adapted the code as best I knew how according to this: http://left404.com/2011/01/04/converting-x86-assembly-from-masm …

Re: Writing a patch in ASM

I had some time on my hands, so I started coding again: So I wrote a filepatcher :D (in 'nasm' as suggested) How can I make this better ? [bits 16] ;16 bit code generation [org 0x0100] ;com-file = start address 0x100 [section .text] ;code section start: jmp begin %macro printf 1 mov dx,%1 ;select …

Life of an executable: keep it original

Life of an executable: keep it original There are many reason why executable files change, the most common are mentioned below. If the content changes, the size, timestamp and checksum will likely follow. This can be good or mallicious depending on the cause. This is a major reason why there are so …

Re: What to do when Windows 7 support ends in a few weeks time?

in Milliways
I really adore Linux, but as a desktop, it's pretty hopeless. XFCE is rock solid and afaict is pretty much the same as it ever was. It all depends on the users preferences. And like the 16th century native americans they fall for glistering and shiny trinkets, instead of opting for stability. If …

Re: What to do when Windows 7 support ends in a few weeks time?

in Milliways
TLDR; from a: privacy standpoint Windows10 is a nightmare, but there is paid support for Windows 7 and those updates will leak. security standpoint there are zero days on every platform and that will not change, however I would be more concerned of malware. So, I would keep everything the same and …

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