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ovann
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 Posted: Thu Mar 27, 2008 12:13 pm Post subject: [Question] About "newmem" at scripts |
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What different about all of them?
alloc(newmem,50)
alloc(newmem,128)
alloc(newmem,256)
alloc(newmem,1024)
alloc(newmem,2048)
etc...
I think have more like 512 and 50 should be 64 but it's nevermind...
I just wanna know what everything do, and how do you all choose them when your making scripts...
Thank you =]
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Symbol
I'm a spammer
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| Posted: Thu Mar 27, 2008 12:17 pm Post subject: |
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Its the size. (in bytes)
And the more bytes you use is the more bytes you will have to allocate. (you could also allocate 2000 bytes for 2 bytes, but thats just a waste)
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ovann
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| Posted: Thu Mar 27, 2008 12:30 pm Post subject: |
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| Symbol wrote: | Its the size. (in bytes)
And the more bytes you use is the more bytes you will have to allocate. (you could also allocate 2000 bytes for 2 bytes, but thats just a waste) |
If I want make a own script...
How should I know how many bytes type there?
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Dark Byte
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| Posted: Thu Mar 27, 2008 12:40 pm Post subject: |
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Just try it.
4096 is usually more than enough for your own scripts, but if you need more, you can just add more.
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24653187
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| Posted: Thu Mar 27, 2008 7:42 pm Post subject: |
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| ovann wrote: | | Symbol wrote: | Its the size. (in bytes)
And the more bytes you use is the more bytes you will have to allocate. (you could also allocate 2000 bytes for 2 bytes, but thats just a waste) |
If I want make a own script...
How should I know how many bytes type there? |
you probably don't need to inject lots of address, ya?
if you just inject a code or something 4096 is far enough
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Symbol
I'm a spammer
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Location: Israel.
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| Posted: Fri Mar 28, 2008 8:14 am Post subject: |
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| ovann wrote: | | Symbol wrote: | Its the size. (in bytes)
And the more bytes you use is the more bytes you will have to allocate. (you could also allocate 2000 bytes for 2 bytes, but thats just a waste) |
If I want make a own script...
How should I know how many bytes type there? |
And avarage opcode (not something too long, like "lock imul eax,edx,00456789"  ) has about 2-6 bytes. (some might take 1 and some might even take 20, I think 20 is about the largest ammount of bytes for a single opcode)
For a small script 100 should be more than enough, but as Dark Byte said, you could also use 4098. 
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