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Expert Cheater
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Joined: 04 Jul 2015
Posts: 105
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 Posted: Thu Oct 08, 2015 11:13 am Post subject: Is there any way to revert any memory changes? |
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| Hi, I'm wondering if there's any way to revert any changes that has been done in the memory by a script? Let's say I've NOP'd 5 addresses, once 4 minutes have hit, they will all automaticly revert to the original instruction, it has to be automaticly and know which ones I NOP'd because I'm talking about NOPing random addresses, if you could make me a quick script to perform such action that would be VERY appreciated! (If possible..)
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atom0s
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| Posted: Thu Oct 08, 2015 12:14 pm Post subject: |
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You would have to store the addresses which you are wanting to nop, as well as the original data for each nop'd address.
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Expert Cheater
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| Posted: Thu Oct 08, 2015 8:59 pm Post subject: |
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| atom0s wrote: | | You would have to store the addresses which you are wanting to nop, as well as the original data for each nop'd address. |
That sounds good to be honest with you!
I could make something out of that... If you have time, could you by any chance write up a quick code what does that for me? I'm not fluent in Lua, sorry. It would be kindly appreciated though! Thanks for your response.
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atom0s
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Reputation: 205
Joined: 25 Jan 2006
Posts: 8587
Location: 127.0.0.1
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| Posted: Thu Oct 08, 2015 11:36 pm Post subject: |
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An example of this would be like:
| Code: | ----------------------------------------------------------------------------------------------------
-- desc: List of cheats that are to be nop'd.
-- note:
-- The syntax of the below table is:
-- { address to nop, nop count }
----------------------------------------------------------------------------------------------------
local nopCheats = {
{ 0x00400000, 4 },
{ 0x00400004, 4 },
{ 0x00400008, 4 },
{ 0x0040000C, 4 },
{ 0x00400010, 4 }
};
----------------------------------------------------------------------------------------------------
-- func: GenerateNopTable
-- desc: Generates a table of nops with the given count.
----------------------------------------------------------------------------------------------------
function GenerateNopTable(count)
local ret = { };
for x = 1, count do
table.insert(ret, 0x90);
end
return ret;
end
----------------------------------------------------------------------------------------------------
-- func: EnableNopCheats
-- desc: Enables the above list of cheats that are specific for nop'ing.
----------------------------------------------------------------------------------------------------
function EnableNopCheats()
-- Loop each cheat entry and process it..
for k, v in pairs(nopCheats) do
-- Ensure we have access to the cheat location..
fullAccess(v[1], v[2]);
-- Attempt to read the data of the current address..
v[3] = readBytes(v[1], v[2], true);
-- Next, write the bytes to the address..
writeBytes(v[1], GenerateNopTable(v[2]));
end
print('Enabled cheats!');
end
----------------------------------------------------------------------------------------------------
-- func: DisableNopCheats
-- desc: Disables the above list of cheats that are specific for nop'ing.
----------------------------------------------------------------------------------------------------
function DisableNopCheats()
-- Loop each cheat entry and disable it..
for k, v in pairs(nopCheats) do
-- Only process cheats that have been enabled..
if (v[3] ~= nil) then
writeBytes(v[1], v[3]);
v[3] = nil;
end
end
print('Disabled cheats!');
end
-- Test the code..
EnableNopCheats()
sleep(3000);
DisableNopCheats(); |
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