SecureCRT的使用以及如何使用tcpdump进行抓包

1.SecureCRT的使用

        SecureCRT是最常用的终端仿真程序,简单的说就是Windows下登录UNIX或Liunx服务器主机的软件,本文主要介绍SecureCRT的使用方法和技巧VanDyke CRT 和 VanDyke SecureCRT是最常用的终端仿真程序,简单的说就是Windows下登录UNIX或Liunx服务器主机的软件。二者不同的是SecureCRT支持SSH(SSH1和SSH2)。

        在SecureCRT中新建一个连接,在主机名栏中添加服务器ip ,填写用户名和密码就可以远程登录到服务器。

SecureCRT 常用快捷键

快捷键:
1、 ctrl + a :  移动光标到行首
2、 ctrl + e :移动光标到行尾
3、 ctrl + d :删除光标之后的一个字符
4、 ctrl + w : 删除行首到当前光标所在位置的所有字符
5、 crtl + k : 删除当前光标到行尾的所有字符
6、 alt + b : 打开快速启动栏
7、 alt + 1/2/3... : 在多个不同的session标签之间切换

 Alt + Enter -- 全屏
Alt + B --  快速打开新的连接
Alt + 1/2/3/4/5.../9 -- 切换到第1/2/3/4/5.../9个标签

       在SecureCRT工具栏中有Secure FX,点击之后就可以实现将windows系统下的文件直接通过拖拽的形式往Linux系统下来移动文件。之后在linux终端  ./push_server就可以运行程序了。push_server可执行程序是在win7系统下利用LiteIDE在cross-linux64环境下build成功的。

SecureCRT使用配置详细说明

2.使用tcpdump命令进行抓包

tcpdump -i any  -w ios.pcap      对任何接口进行监听,把包文件直接写入ios.pcap文件。之后,利用wireshark进行打开分析。

-i  interface
    指定tcpdump 需要监听的接口.  如果没有指定, tcpdump 会从系统接口列表中搜寻编号最小的已配置好的接口(不包括 loopback 接口).一但找到第一个符合条件的接口, 搜寻马上结束.

-w    把包数据直接写入文件而不进行分析和打印输出. 这些包数据可在随后通过-r 选项来重新读入并进行分析和打印.
 

参考:tcpdump抓包_mayue_csdn的博客-优快云博客_tcpdump抓包

# $language = "VBScript" # $interface = "1.0" '作者;小怪兽怪瘦 Sub Main Const ForReading = 1, ForWriting = 2, ForAppending = 8 Dim fso,file1,line,str1,params Set fso = CreateObject("Scripting.FileSystemObject") Set file1 = fso.OpenTextFile("D:\backup\list.txt",Forreading, False) crt.window.show 3 crt.Screen.Synchronous = True do while file1.AtEndOfStream True '读取每一行 line = file1.ReadLine '分割IP,用户名,密码 特权密码 型号简写(z m h b) 位置 params = Split (line) ip = params(0) user = params(1) password = params(2) su = params(3) mode = params(4) whereis = params(5) crt.session.LogFileName = "D:\backup\log\"&ip&"_"&whereis&"_20190620.txt" '提供日志,修改后面日期即可 crt.session.Log(true) crt.Session.Connect ( "/SSH2 /L "&user&" /PASSWORD "&password&" "&ip) '建立SSH连接 if mode = "m" then 'm 代表迈普型号 crt.Screen.Send "enable" & chr(13) crt.Screen.WaitForString "assword:" crt.Screen.Send params(3) & chr(13) crt.Screen.WaitForString "#" '关闭more提示 crt.Screen.Send "more off" & chr(13) crt.Screen.WaitForString "#" '执行命令集 Set cmdfile = fso.OpenTextFile("D:\backup\cmd-mp.txt",Forreading, False) do while cmdfile.AtEndOfStream True line2 = cmdfile.ReadLine crt.Screen.Send line2 & Chr(13) crt.Screen.waitForString "#" loop crt.Screen.Send "show running-config" & chr(13) crt.Screen.WaitForString "#" '打开more提示 crt.Screen.Send "more on" & chr(13) crt.Screen.WaitForString "#" crt.Screen.Send "exit" & chr(13) crt.Screen.WaitForString ">" crt.Session.Disconnect end if if mode = "c" then 'c 代表思科型号 crt.Screen.WaitForString ">" crt.Screen.Send "enable" & chr(13) crt.Screen.WaitForString "assword:" crt.Screen.Send params(3) & chr(13) crt.Screen.WaitForString "#" '关闭more提示 crt.Screen.Send "configure terminal" & chr(13) crt.Screen.WaitForString "config)#" crt.Screen.Send "line vty 0 4" & chr(13) crt.Screen.WaitForString "line)#" crt.Screen.Send "length 0" & chr(13) crt.Screen.WaitForString "line)#" crt.Screen.Send "end" & chr(13) crt.Screen.WaitForString "#" '执行命令集 Set cmdfile = fso.OpenTextFile("D:\backup\cmd-cisco.txt",Forreading, False) do while cmdfile.AtEndOfStream True line2 = cmdfile.ReadLine crt.Screen.Send line2 & Chr(13) crt.Screen.waitForString "#" loop crt.Screen.Send "show running-config" & chr(13) crt.Screen.WaitForString "#" '打开more提示 crt.Screen.Send "configure terminal" & chr(13) crt.Screen.WaitForString "config)#" crt.Screen.Send "line vty 0 4" & chr(13) crt.Screen.WaitForString "line)#" crt.Screen.Send "no length" & chr(13) crt.Screen.WaitForString "line)#" crt.Screen.Send "end" & chr(13) crt.Screen.WaitForString "#" crt.Session.Disconnect end if if mode = "r" then 'r 代表锐捷型号 crt.Screen.WaitForString ">" crt.Screen.Send "enable" & chr(13) crt.Screen.WaitForString "assword:" crt.Screen.Send params(3) & chr(13) crt.Screen.WaitForString "#" '关闭more提示 crt.Screen.Send "configure terminal" & chr(13) crt.Screen.WaitForString "config)#" crt.Screen.Send "line vty 0 15" & chr(13) crt.Screen.WaitForString "line)#" crt.Screen.Send "length 0" & chr(13) crt.Screen.WaitForString "line)#" crt.Screen.Send "end" & chr(13) crt.Screen.WaitForString "#" '执行命令集 Set cmdfile = fso.OpenTextFile("D:\backup\cmd-rj.txt",Forreading, False) do while cmdfile.AtEndOfStream True line2 = cmdfile.ReadLine crt.Screen.Send line2 & Chr(13) crt.Screen.waitForString "#" loop crt.Screen.Send "show running-config" & chr(13) crt.Screen.WaitForString "#" '打开more提示 crt.Screen.Send "configure terminal" & chr(13) crt.Screen.WaitForString "config)#" crt.Screen.Send "line vty 0 15" & chr(13) crt.Screen.WaitForString "line)#" crt.Screen.Send "no length" & chr(13) crt.Screen.WaitForString "line)#" crt.Screen.Send "end" & chr(13) crt.Screen.WaitForString "#" crt.Session.Disconnect end if if mode = "z" then 'z 代表中兴型号 crt.Screen.Send "enable" & chr(13) crt.Screen.WaitForString "assword:" crt.Screen.Send params(3) & chr(13) crt.Screen.WaitForString "#" '执行命令集 Set cmdfile = fso.OpenTextFile("D:\backup\cmd-zx.txt",Forreading, False) do while cmdfile.AtEndOfStream True line2 = cmdfile.ReadLine crt.Screen.Send line2 & Chr(13) if (crt.Screen.WaitForString (" --More--",1)False) then crt.Screen.Send " " & chr(13) else crt.Screen.Send chr(13) end if crt.Screen.waitForString "#" loop 'crt.Screen.Send "show running-config" & chr(13) 'crt.Screen.WaitForString " --More--" 'crt.Screen.WaitForString "#" crt.Session.Disconnect
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