數(shù)據(jù)庫服務(wù)器(內(nèi)網(wǎng))—>PowerShell—>監(jiān)控服務(wù)器(內(nèi)外網(wǎng))—>發(fā)送微信前面已介紹如何創(chuàng)建WMI Monitor,本文介紹如何執(zhí)行PowerS..."/>
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實時監(jiān)控的基本原理:WMI Monitor—>數(shù)據(jù)庫服務(wù)器(內(nèi)網(wǎng))—>PowerShell—>監(jiān)控服務(wù)器(內(nèi)外網(wǎng))—>發(fā)送微信
前面已介紹如何創(chuàng)建WMI Monitor,本文介紹如何執(zhí)行PowerShell遠程腳本,實現(xiàn)將WMI獲取到的信息從數(shù)據(jù)庫服務(wù)器傳到監(jiān)控服務(wù)器,即數(shù)據(jù)庫服務(wù)器(內(nèi)網(wǎng))—>PowerShell—>監(jiān)控服務(wù)器(內(nèi)外網(wǎng))
一、帳號密碼信息加密
設(shè)置密鑰,并將密鑰、帳號、密碼加密后信息存放于文本中
1、設(shè)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(chuàng)建遠程會話,并執(zhí)行遠程腳本
獲取密鑰,并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(chuàng)建會話
$s = New-PSSession -ComputerName $appServer -Credential $appCred -UseSSL -SessionOption (New-PSSessionOption -SkipCACheck -SkipCNCheck) -Authentication Negotiate
##執(zhí)行無參數(shù)腳本
Invoke-Command -Session $s -ScriptBlock {powershell -File E:\\xxx\\xxx.ps1}
##執(zhí)行帶參數(shù)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
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