Powershell监控操作系统用户账号事件并预警

Noella ·

更新时间:2024-09-20

· 603 次阅读

# 操作系统账号事件（登录、注销、新增、删除、软件安装） # 主函数 Main # @param string $str not null # @param string $code not null # # Description： # 设置登录事件的任务计划时，必须传递这两个参数 # #region get-serverip 获取IP function get-serverip { $serverip=gwmi win32_networkadapterconfiguration | ?{$_.IPAddress -ne $null -and $_.dhcpenabled -eq $false -and {$_.IPEnabled}} | %{$_.IPAddress} if(($serverip.gettype()).isarray) { return $serverip[0] } else { return $serverip } } #endregion #region Send-Mail 发送邮件 function Send-Mail($Subject，$Body) { $password = ConvertTo-SecureString 'password' -AsPlainText -Force $Credential = New-Object System.Management.Automation.PSCredential('account'，$password) $SmptServer="<A href="http://bxing.net" target=_blank>mail.xx.com.cn</A>" <A href="mailto:$From='a@xx.com.cn'" target=_blank>$From='a@xx.com.cn' </A> $To="test@xx.com.cn" #抄送 #$Cc="cc@xx.com.cn" $encode=[System.Text.UTF8Encoding]::UTF8 Send-MailMessage -SmtpServer $SmptServer -Credential $Credential -From $From -to $To -Encoding $Encode -Body $Body -Subject $Subject -Priority High -BodyAsHtml } #endregion #region cut-string 裁剪字符串 function cut-string { param( $str， $start， $end ) return $str.substring($str.indexof($start)，$str.indexof($end)-$str.indexof($start)) } #endregion #region get_login_user 获取登录账户 #return string function get_login_user { $users=query user $lists=New-Object system.Collections.ArrayList for($i=1;$i -lt $users.Count;$i++) { $user = $users[$i] -replace(' '，' ') while($user.indexof(' ') -gt 0) { $user = $user -replace(' '，' ') } if($user.indexof(' ') -eq 0 -or $user.indexof('>') -eq 0) { $user=$user.substring(1) } $user=$user -split(' ') $list=New-Object psobject #$time=$user[5]+" "+$user[6] Add-Member -Name name -Value $user[0] -MemberType NoteProperty -InputObject $list Add-Member -Name status -Value $user[3] -MemberType NoteProperty -InputObject $list #Add-Member -Name time -Value $time -MemberType NoteProperty -InputObject $list $lists+=@($list) } $loginUser = $lists | ?{$_.status -eq '运行中'} | select name foreach($userName in $loginUser) { if($userNames -eq $null) { $userNames=$userName.name } else { $userNames=$userNames + '，' + $userName.name } } return $userNames } #endregion #region Login-Succ-Notice 成功登录事件 function Login-Succ-Notice { $loginInfo=Get-WinEvent -logname security -maxevents 10 | ? {$_.id -eq 4624} | select timecreated，message if($loginInfo -eq $null) { break } if(($loginInfo.gettype()).isarray) { $time=$loginInfo[0].timecreated $message=$loginInfo[0].message } else { $time=$loginInfo.timecreated $message=$loginInfo.message }

if($code -eq 1) { $loginType=cut-string $message '登录类型:' '新登录:' $loginType=$loginType -replace('登录类型:'，'') $loginType=$loginType -replace(' '，'') if($loginType -eq 4) { break } } $processInfo=cut-string $message '进程名:' '网络信息:' $processInfo=$processInfo -replace('进程名: '，'') $message=cut-string $message '新登录' '详细身份验证信息' $loginName=cut-string $message '帐户名:' '帐户域:' $loginName=$loginName -replace('帐户名:'，'') $loginIp=cut-string $message '源网络地址:' '源端口:' $loginIp=$loginIp -replace('源网络地址:'，'') $ip=get-serverip $loginedName=get_login_user $Body="<table width='700' border='1' cellpadding='0' cellspacing='0' style='font-size:13px;'> <tr style='background:#39F'> <td>服务器</td> <td>登录账号</td> <td>进程</td> <td>登录时间</td> <td>客户端IP</td> <td>已登录账号</td> </tr> <tr> <td>$ip</td> <td>$loginName</td> <td>$processInfo</td> <td>$time</td> <td>$loginIp</td> <td>$loginedName</td> </tr> </table>" try { Send-Mail "Login on $ip" $Body } catch { ac -Path c:UserNotice.log -Value "[ $time Login] $error[0]" } } #endregion #region Cancel-Succ-Notice 注销登录事件 function Cancel-Succ-Notice { $cancelInfo=Get-WinEvent -logname security -maxevents 10 | ? {$_.id -eq 4634} | select timecreated，message if($cancelInfo -eq $null) { break } if(($cancelInfo.gettype()).isarray) { $time=$cancelInfo[0].timecreated $message=$cancelInfo[0].message } else { $time=$cancelInfo.timecreated $message=$cancelInfo.message } $cancelName=cut-string $message '帐户名:' '帐户域:' $cancelName=$cancelName -replace('帐户名:'，'') $ip=get-serverip $loginedName=get_login_user $Body="<table width='700' border='1' cellpadding='0' cellspacing='0' style='font-size:13px;'> <tr style='background:#39F'> <td>服务器</td> <td>注销账号</td> <td>注销时间</td> <td>未注销账号</td> </tr> <tr> <td>$ip</td> <td>$cancelName</td> <td>$time</td> <td>$loginedName</td> </tr> </table>" try { Send-Mail "Cancel on $ip" $Body } catch { ac -Path c:UserNotice.log -Value "[ $time Cancel] $error[0]" } } #endregion #region Create-User-Notice 新增账号事件 function Create-User-Notice { $userinfo=Get-WinEvent -logname security -maxevents 10 | ? {$_.id -eq 4722} | select timecreated，message if($userinfo -eq $null) { break } if(($userinfo.gettype()).isarray) { $time=$userinfo[0].timecreated $message=$userinfo[0].message } else { $time=$userinfo.timecreated $message=$userinfo.message } $operateUser=cut-string $message '主题:' '目标帐户:' $operateUser=cut-string $operateUser '帐户名:' '帐户域:' $operateUser=$operateUser -replace('帐户名:'，'') $addUser=$message.substring($message.indexof('目标帐户:')) $addUser=cut-string $addUser '帐户名:' '帐户域:' $addUser=$addUser -replace('帐户名:'，'') $ip=get-serverip $loginedUser=get_login_user $Body="<table width='700' border='1' cellpadding='0' cellspacing='0' style='font-size:13px;'> <tr style='background:#39F'> <td>服务器</td> <td>操作账号</td> <td>被添加账号</td> <td>操作时间</td> <td>已登录账号</td> </tr> <tr> <td>$ip</td> <td>$operateUser</td> <td>$addUser</td> <td>$time</td> <td>$loginedUser</td> </tr> </table>" try { Send-Mail "AddUser on $ip" $Body } catch { ac -Path c:UserNotice.log -Value "[ $time AddUser] $error[0]" } } #endregion #region Delete-User-Notice 删除账号事件 function Delete-User-Notice{ $userInfo=Get-WinEvent -logname security -maxevents 10 | ? {$_.id -eq 4726} | select timecreated，message if($userinfo -eq $null) { break } if(($userinfo.gettype()).isarray) { $time=$userinfo[0].timecreated $message=$userinfo[0].message } else { $time=$userinfo.timecreated $message=$userinfo.message }

$ip=get-serverip $loginedUser=get_login_user $operateUser=cut-string $message '主题:' '目标帐户:' $operateUser=cut-string $operateUser '帐户名:' '帐户域:' $operateUser=$operateUser -replace('帐户名:'，'') $delUser=$message.substring($message.indexof('目标帐户:')) $delUser=cut-string $delUser '帐户名:' '帐户域:' $delUser=$delUser -replace('帐户名:'，'') $Body="<table width='700' border='1' cellpadding='0' cellspacing='0' style='font-size:13px;'> <tr style='background:#39F'> <td>服务器</td> <td>操作账号</td> <td>被删除账号</td> <td>操作时间</td> <td>已登录账号</td> </tr> <tr> <td>$ip</td> <td>$operateUser</td> <td>$delUser</td> <td>$time</td> <td>$loginedUser</td> </tr> </table>" try { Send-Mail "Delete on $ip" $Body } catch { ac -Path c:UserNotice.log -Value "[ $time Delete] $error[0]" } } #endregion #region Software-Setup-Notice 软件安装事件 function Software-Setup-Notice { $softinfo=Get-WinEvent -logname setup -maxevents 10 | ? {$_.id -eq 1610} | select timecreated，message if($softinfo -eq $null) { break } if(($softinfo.gettype()).isarray) { $time=$softinfo[0].timecreated $time=$softinfo[0].tostring() $message=$softinfo[0].message } else { $time=$softinfo.timecreated $time=$time.tostring() $message=$softinfo.message } $ip=get-serverip $loginedUser=get_login_user $Body="<table width='700' border='1' cellpadding='0' cellspacing='0' style='font-size:13px;'> <tr style='background:#39F'> <td>服务器</td> <td>已登录账号</td> <td>安装时间</td> <td>安装信息</td> </tr> <tr> <td>$ip</td> <td>$loginedUser</td> <td>$time</td> <td>$message</td> </tr> </table>" try { Send-Mail 'Setup on $ip' $Body } catch { ac -Path c:UserNotice.log -Value "[ $time Setup] $error[0]" } } #endregion #region Main 入口函数 function Main{ param( $str， $script:code ) if($str -eq $null) { Write-Warning 参数丢失! sleep 2 break } if($str -eq 'login') { Login-Succ-Notice } if($str -eq 'cancel') { Cancel-Succ-Notice } if($str -eq 'add') { Create-User-Notice } if($str -eq 'delete') { Delete-User-Notice } if($str -eq 'setup') { Software-Setup-Notice } } #endregion main $args[0] $args[1]

事件操作系统系统 PowerShell

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