MSSQL/WMI/PowerShell結合篇(三)執行PowerShell遠程腳本
實時監控的基本原理:WMI Monitor—>數據庫服務器(內網)—>PowerShell—>監控服務器(內外網)—>發送微信
前面已介紹如何創建WMI Monitor,本文介紹如何執行PowerShell遠程腳本,實現將WMI獲取到的信息從數據庫服務器傳到監控服務器,即數據庫服務器(內網)—>PowerShell—>監控服務器(內外網)
一、帳號密碼信息加密
設置密鑰,並將密鑰、帳號、密碼加密後信息存放於文本中
1、設置加密密鑰
function Set-Key {
param([string]$string)
$length = $string.length
$pad = 32-$length
if (($length -lt 16) -or ($length -gt 32)) {Throw "String must be between 16 and 32 characters"}
$encoding = New-Object System.Text.ASCIIEncoding
$bytes = $encoding.GetBytes($string + "0" * $pad)
return $bytes
}
2、加密方法
##set Encrypted Data
function Set-EncryptedData {
param($key,[string]$plainText)
$securestring = new-object System.Security.SecureString
$chars = $plainText.toCharArray()
foreach ($char in $chars) {$secureString.AppendChar($char)}
$encryptedData = ConvertFrom-SecureString -SecureString $secureString -Key $key
return $encryptedData
}
3、解密方法
##get Encrypted Data
function Get-EncryptedData {
param($key,$data)
$data | ConvertTo-SecureString -key $key |
ForEach-Object {[Runtime.InteropServices.Marshal]::PtrToStringAuto([Runtime.InteropServices.Marshal]::SecureStringToBSTR($_))}
}
二、創建遠程會話,並執行遠程腳本
獲取密鑰,並對帳號密碼進行解密
$idkeystr=gc D:\xxx\IDkey.txt
$userid=gc D:\xxx\ID.txt
$IDkey=set-key $idkeystr
$appServerUser=get-EncryptedData $IDkey $userid
$pwkeystr=gc D:\xxx\PWkey.txt
$passwd=gc D:\xxx\PW.txt
$PWkey=set-key $pwkeystr
$appServerPwd=get-EncryptedData $PWkey $passwd
$appServer=‘MonitorServer‘
$password = ConvertTo-SecureString $appServerPwd -AsPlainText -Force
$appCred = New-Object System.Management.Automation.PsCredential($appServerUser,$password)
##創建會話
$s = New-PSSession -ComputerName $appServer -Credential $appCred -UseSSL -SessionOption (New-PSSessionOption -SkipCACheck -SkipCNCheck) -Authentication Negotiate
##執行無參數腳本
Invoke-Command -Session $s -ScriptBlock {powershell -File E:\\xxx\\xxx.ps1}
##執行帶參數腳本
Invoke-Command -Session $s -ScriptBlock {powershell -File E:\\xxx\\xxx.ps1 $args[0] $args[1] $args[2]} -ArgumentList $text1,$text2,$text3
##刪除會話
$s|Remove-PSSession
下一篇介紹如何通過PowerShell發送微信信息
本文出自 “aimax” 博客,請務必保留此出處http://aimax.blog.51cto.com/11610508/1967783
MSSQL/WMI/PowerShell結合篇(三)執行PowerShell遠程腳本