program Project1;
uses
windows;
procedure DeleteSelf;
var
module : HMODULE;
buf : array [ 0 .. MAX_PATH - 1 ] of char;
p : ULONG;
hKrnl32 : HMODULE;
pExitProcess, pDeleteFile, pFreeLibrary : pointer;
begin
module := GetModuleHandle ( nil );
GetModuleFileName ( module, buf, sizeof ( buf ) );
CloseHandle ( THandle ( 4 ) );
p := ULONG ( module ) + 1;
//上面这一句什么意思?
hKrnl32 := GetModuleHandle ( 'kernel32' );
pExitProcess := GetProcAddress ( hKrnl32, 'ExitProcess' );
pDeleteFile := GetProcAddress ( hKrnl32, 'DeleteFileA' );
pFreeLibrary := GetProcAddress ( hKrnl32, 'FreeLibrary' );
asm
lea eax, buf
push 0
push 0
push eax
push pExitProcess
push p
push pDeleteFile
push pFreeLibrary
ret
end;
end;
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执行时间: 0.041234016418457 seconds