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hydra-icq.c
238 lines (200 loc) · 7.11 KB
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hydra-icq.c
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#include "hydra-mod.h"
extern char *HYDRA_EXIT;
extern int32_t child_head_no;
int32_t seq = 1;
const unsigned char icq5_table[] = {0x59, 0x60, 0x37, 0x6B, 0x65, 0x62, 0x46, 0x48, 0x53, 0x61, 0x4C, 0x59, 0x60, 0x57, 0x5B, 0x3D, 0x5E, 0x34, 0x6D, 0x36, 0x50, 0x3F, 0x6F, 0x67, 0x53, 0x61, 0x4C, 0x59, 0x40, 0x47, 0x63, 0x39, 0x50, 0x5F, 0x5F, 0x3F, 0x6F, 0x47, 0x43, 0x69, 0x48, 0x33, 0x31, 0x64, 0x35, 0x5A, 0x4A, 0x42, 0x56, 0x40, 0x67, 0x53, 0x41, 0x07, 0x6C, 0x49, 0x58, 0x3B, 0x4D, 0x46, 0x68, 0x43, 0x69, 0x48,
0x33, 0x31, 0x44, 0x65, 0x62, 0x46, 0x48, 0x53, 0x41, 0x07, 0x6C, 0x69, 0x48, 0x33, 0x51, 0x54, 0x5D, 0x4E, 0x6C, 0x49, 0x38, 0x4B, 0x55, 0x4A, 0x62, 0x46, 0x48, 0x33, 0x51, 0x34, 0x6D, 0x36, 0x50, 0x5F, 0x5F, 0x5F, 0x3F, 0x6F, 0x47, 0x63, 0x59, 0x40, 0x67, 0x33, 0x31, 0x64, 0x35, 0x5A, 0x6A, 0x52, 0x6E, 0x3C, 0x51, 0x34, 0x6D, 0x36, 0x50, 0x5F, 0x5F, 0x3F, 0x4F, 0x37, 0x4B, 0x35,
0x5A, 0x4A, 0x62, 0x66, 0x58, 0x3B, 0x4D, 0x66, 0x58, 0x5B, 0x5D, 0x4E, 0x6C, 0x49, 0x58, 0x3B, 0x4D, 0x66, 0x58, 0x3B, 0x4D, 0x46, 0x48, 0x53, 0x61, 0x4C, 0x59, 0x40, 0x67, 0x33, 0x31, 0x64, 0x55, 0x6A, 0x32, 0x3E, 0x44, 0x45, 0x52, 0x6E, 0x3C, 0x31, 0x64, 0x55, 0x6A, 0x52, 0x4E, 0x6C, 0x69, 0x48, 0x53, 0x61, 0x4C, 0x39, 0x30, 0x6F, 0x47, 0x63, 0x59, 0x60, 0x57, 0x5B, 0x3D, 0x3E,
0x64, 0x35, 0x3A, 0x3A, 0x5A, 0x6A, 0x52, 0x4E, 0x6C, 0x69, 0x48, 0x53, 0x61, 0x6C, 0x49, 0x58, 0x3B, 0x4D, 0x46, 0x68, 0x63, 0x39, 0x50, 0x5F, 0x5F, 0x3F, 0x6F, 0x67, 0x53, 0x41, 0x25, 0x41, 0x3C, 0x51, 0x54, 0x3D, 0x5E, 0x54, 0x5D, 0x4E, 0x4C, 0x39, 0x50, 0x5F, 0x5F, 0x5F, 0x3F, 0x6F, 0x47, 0x43, 0x69, 0x48, 0x33, 0x51, 0x54, 0x5D, 0x6E, 0x3C, 0x31, 0x64, 0x35, 0x5A, 0x00, 0x00};
void fix_packet(char *buf, int32_t len) {
unsigned long c1, c2;
unsigned long r1, r2;
int32_t pos, key, k;
c1 = buf[8];
c1 <<= 8;
c1 |= buf[4];
c1 <<= 8;
c1 |= buf[2];
c1 <<= 8;
c1 |= buf[6];
r1 = (rand() % (len - 0x18)) + 0x18;
r2 = rand() & 0xff;
c2 = r1;
c2 <<= 8;
c2 |= buf[r1];
c2 <<= 8;
c2 |= r2;
c2 <<= 8;
c2 |= icq5_table[r2];
c2 ^= 0xff00ff;
c1 ^= c2;
buf[0x14] = c1 & 0xff;
buf[0x15] = (c1 >> 8) & 0xff;
buf[0x16] = (c1 >> 16) & 0xff;
buf[0x17] = (c1 >> 24) & 0xff;
key = len * 0x68656c6cL;
key += c1;
pos = 0xa;
for (; pos < len; pos += 4)
k = key + icq5_table[pos & 0xff];
}
void icq_header(char *buf, unsigned short cmd, unsigned long uin) {
buf[0] = 0x02;
buf[1] = 0x00;
buf[2] = cmd & 0xff;
buf[3] = (cmd >> 8) & 0xff;
buf[4] = seq & 0xff;
buf[5] = (seq++ >> 8) & 0xff;
buf[6] = uin & 0xff;
buf[7] = (uin >> 8) & 0xff;
buf[8] = (uin >> 16) & 0xff;
buf[9] = (uin >> 24) & 0xff;
}
int32_t icq_login(int32_t s, char *login, char *pass) {
unsigned long uin = strtoul(login, NULL, 10);
char buf[256];
int32_t len;
bzero(buf, sizeof(buf));
icq_header(buf, 0x03e8, uin);
len = strlen(pass) + 1;
buf[14] = len;
memcpy(&buf[16], pass, len);
buf[16 + len] = 0x78;
buf[24 + len] = 0x04;
buf[29 + len] = 0x02;
buf[39 + len] = 0x08;
buf[41 + len] = 0x78;
return (hydra_send(s, buf, 43 + len, 0));
}
int32_t icq_login_1(int32_t s, char *login) {
unsigned long uin = strtoul(login, NULL, 10);
char buf[64];
icq_header(buf, 0x044c, uin);
return (hydra_send(s, buf, 10, 0));
}
int32_t icq_disconnect(int32_t s, char *login) {
unsigned long uin = strtoul(login, NULL, 10);
char buf[64];
bzero(buf, sizeof(buf));
icq_header(buf, 0x0438, uin);
buf[10] = 20;
memcpy(&buf[12], "B_USER_DISCONNECTED", 20);
buf[32] = 0x5;
return (hydra_send(s, buf, 34, 0));
}
int32_t icq_ack(int32_t s, char *login) {
unsigned long uin = strtoul(login, NULL, 10);
char buf[64];
buf[0] = 0x02;
buf[1] = 0x00;
buf[2] = 0x0a;
buf[3] = 0x0;
buf[4] = seq & 0xff;
buf[5] = (seq >> 8) & 0xff;
buf[6] = uin & 0xff;
buf[7] = (uin >> 8) & 0xff;
buf[8] = (uin >> 16) & 0xff;
buf[9] = (uin >> 24) & 0xff;
return (hydra_send(s, buf, 10, 0));
}
int32_t start_icq(int32_t sock, char *ip, int32_t port, FILE *output, char *miscptr, FILE *fp) {
unsigned char buf[1024];
char *login, *pass;
char *empty = "";
int32_t i, r;
if (strlen(login = hydra_get_next_login()) == 0)
return 2;
if (strlen(pass = hydra_get_next_password()) == 0)
pass = empty;
for (i = 0; login[i]; i++)
if (!isdigit((int32_t)login[i])) {
fprintf(stderr, "[ERROR] Invalid UIN %s\n, ignoring.", login);
hydra_completed_pair();
return 2;
}
icq_login(sock, login, pass);
while (1) {
if ((r = hydra_recv(sock, (char *)buf, sizeof(buf))) == 0) {
return 1;
}
if (r < 0) {
if (verbose)
fprintf(stderr, "[ERROR] Process %d: Can not connect [unreachable]\n", (int32_t)getpid());
return 3;
}
if (buf[2] == 0x5a && buf[3] == 0x00) {
hydra_report_found_host(port, ip, "icq", output);
hydra_completed_pair_found();
icq_ack(sock, login);
icq_login_1(sock, login);
hydra_recv(sock, (char *)buf, sizeof(buf));
icq_ack(sock, login);
hydra_recv(sock, (char *)buf, sizeof(buf));
icq_ack(sock, login);
icq_disconnect(sock, login);
break;
} else if ((buf[2] != 10 && buf[2] != 250) || buf[3] != 0) {
hydra_completed_pair();
break;
}
/* if((buf[2] != 10 || buf[3] != 0) && (buf[2] != 250 || buf[3] != 0))
*/
}
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return 3;
return 1;
}
void service_icq(char *ip, int32_t sp, unsigned char options, char *miscptr, FILE *fp, int32_t port, char *hostname) {
int32_t run = 1, next_run = 1, sock = -1;
int32_t myport = PORT_ICQ;
if (port)
myport = port;
port = myport;
if ((options & OPTION_SSL) != 0 && child_head_no == 0) {
fprintf(stderr, "[ERROR] You can not use SSL with ICQ!\n");
hydra_child_exit(0);
}
hydra_register_socket(sp);
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return;
while (1) {
switch (run) {
case 1:
if (sock >= 0)
sock = hydra_disconnect(sock);
sock = hydra_connect_udp(ip, myport);
if (sock < 0) {
if (quiet != 1)
fprintf(stderr, "[ERROR] Child with pid %d terminating, can not connect\n", (int32_t)getpid());
hydra_child_exit(1);
}
next_run = 2;
break;
case 2:
next_run = start_icq(sock, ip, port, fp, miscptr, fp);
break;
case 3:
if (sock >= 0)
sock = hydra_disconnect(sock);
hydra_child_exit(2);
break;
default:
fprintf(stderr, "[ERROR] Caught unknown return code, exiting!\n");
hydra_child_exit(2);
break;
}
run = next_run;
}
}
int32_t service_icq_init(char *ip, int32_t sp, unsigned char options, char *miscptr, FILE *fp, int32_t port, char *hostname) {
// called before the childrens are forked off, so this is the function
// which should be filled if initial connections and service setup has to be
// performed once only.
//
// fill if needed.
//
// return codes:
// 0 all OK
// -1 error, hydra will exit, so print a good error message here
return 0;
}