{"id":4537,"date":"2023-01-01T09:37:12","date_gmt":"2023-01-01T17:37:12","guid":{"rendered":"https:\/\/tungle.ca\/?p=4537"},"modified":"2023-01-07T18:43:21","modified_gmt":"2023-01-08T02:43:21","slug":"using-chatgpt-to-learn-about-powershell","status":"publish","type":"post","link":"https:\/\/tungle.ca\/?p=4537","title":{"rendered":"Using ChatGPT AI to learn PowerShell"},"content":{"rendered":"\n<p>ChatGPT&nbsp;is an AI chatbot system launched by&nbsp;OpenAI&nbsp;in November 2022. This is a great tool to help me understand more about PowerShell. Below are a couple of examples that I have used the tool to learn more PowerShell.<\/p>\n\n\n\n<p>Can you show me top 10 commands in PowerShell?<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"852\" src=\"https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-23-1024x852.png\" alt=\"\" class=\"wp-image-4538\" srcset=\"https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-23-1024x852.png 1024w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-23-300x250.png 300w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-23-768x639.png 768w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-23-1536x1279.png 1536w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-23-200x166.png 200w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-23.png 1552w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Can you rewrite the script below?<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"powershell\" class=\"language-powershell\">$Hosts = Get-Content \"C:\\Scripts\\servers.txt\"\n$Ports = '443'\nForEach ($HOSTLINE in $hosts) {\n$status = Test-NetConnection $HOSTLINE -Port $ports -WarningAction SilentlyContinue\nif ($status.tcpTestSucceeded -eq $True){\n    Write-Output \"$HOSTLINE is reachable\"\n}\nelse{\n    Write-Output \"$HOSTLINE is unreachable\"  \n}\n}<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"962\" src=\"https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-24-1024x962.png\" alt=\"\" class=\"wp-image-4539\" srcset=\"https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-24-1024x962.png 1024w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-24-300x282.png 300w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-24-768x721.png 768w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-24-1536x1443.png 1536w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-24-200x188.png 200w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-24.png 1650w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Tell me an example for using foreach-object parallel with PowerShell remoting?<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"943\" src=\"https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-26-1024x943.png\" alt=\"\" class=\"wp-image-4541\" srcset=\"https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-26-1024x943.png 1024w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-26-300x276.png 300w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-26-768x707.png 768w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-26-1536x1414.png 1536w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-26-200x184.png 200w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-26.png 1642w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Does foreach-object parallel use multithreading?<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"829\" src=\"https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-28-1024x829.png\" alt=\"\" class=\"wp-image-4543\" srcset=\"https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-28-1024x829.png 1024w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-28-300x243.png 300w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-28-768x622.png 768w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-28-1536x1244.png 1536w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-28-200x162.png 200w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-28.png 1670w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Is there a limitation of foreach-object parallel?<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"747\" src=\"https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-29-1024x747.png\" alt=\"\" class=\"wp-image-4544\" srcset=\"https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-29-1024x747.png 1024w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-29-300x219.png 300w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-29-768x560.png 768w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-29-1536x1120.png 1536w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-29-200x146.png 200w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-29.png 1604w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Show me an example to use foreach-object parallel to check CPU usage in remote machines?<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"984\" height=\"1024\" src=\"https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-31-984x1024.png\" alt=\"\" class=\"wp-image-4546\" srcset=\"https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-31-984x1024.png 984w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-31-288x300.png 288w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-31-768x799.png 768w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-31-1476x1536.png 1476w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-31-192x200.png 192w, https:\/\/tungle.ca\/wp-content\/uploads\/2022\/12\/image-31.png 1614w\" sizes=\"auto, (max-width: 984px) 100vw, 984px\" \/><\/figure>\n\n\n\n<p>Can you rewrite the script below?<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"powershell\" class=\"language-powershell\">$inputpath = get-content \"\/var\/log\/auth.log\"\n#$inputpath = get-content \"\/Users\/tungle\/Downloads\/auth.log.txt\"\n$regex = \"\\b\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\b\"\n$output = $inputpath | Select-String -Pattern $regex -AllMatches | Select-String \"failed password for root\" | % { $_.Matches } | % { $_.Value } `\n| Group-Object |  Select-Object Name, Count | Where-Object {$_.Count -gt 20}\nForEach($line in $output){\n        $IP = $line.Name\n        $result = Invoke-RestMethod -Method Get -Uri http:\/\/ip-api.com\/json\/$IP\n        # Sleep a second \n        Start-Sleep 1\n    \t#Write-Output $_count\n        $myObject = [PSCustomObject]@{\n        \tCount = $line.Count\n\t\t\"IPAddress\" = $line.Name\n            \t#IP = $result.query\n            \tCountry = $result.Country\n}\n    $myObject\n}<\/code><\/pre>\n\n\n\n<p>ChatGPT &#8211; Here is a rewritten version of the script you provided:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"powershell\" class=\"language-powershell\"># Set the file path for the log file\n$logFilePath = \"\/var\/log\/auth.log\"\n\n# Read the log file and store the contents in a variable\n$logContent = Get-Content -Path $logFilePath\n\n# Set the regular expression for extracting IP addresses\n$ipRegex = \"\\b\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\b\"\n\n# Extract all of the IP addresses from the log file\n$ipAddresses = $logContent | Select-String -Pattern $ipRegex -AllMatches | Select-Object -Expand Matches | Select-Object -Expand Value\n\n# Group the IP addresses by count\n$ipCounts = $ipAddresses | Group-Object | Select-Object Name, Count\n\n# Filter the list to include only IP addresses that have failed login attempts more than 20 times\n$filteredIpCounts = $ipCounts | Where-Object {$_.Count -gt 20}\n\n# Loop through each IP address\nforeach ($ipCount in $filteredIpCounts) {\n    # Get the IP address and the number of failed login attempts\n    $ip = $ipCount.Name\n    $count = $ipCount.Count\n\n    # Make a request to the IP address API to get information about the IP address\n    $ipInfo = Invoke-RestMethod -Method Get -Uri \"http:\/\/ip-api.com\/json\/$ip\"\n\n    # Sleep for a second to avoid making too many requests in a short period of time\n    Start-Sleep 1\n\n    # Create a custom object with the IP address, country, and number of failed login attempts\n    $result = [PSCustomObject]@{\n        \"IPAddress\" = $ip\n        Country = $ipInfo.Country\n        Count = $count\n    }\n\n    # Output the result\n    $result\n}\n<\/code><\/pre>\n\n\n\n<p>The script was provided by ChatGPT did not work as my script. However, the script is clear and easier to understand. So, I only do a small change in the script to make it work.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"powershell\" class=\"language-powershell\">PS \/tmp&gt; cat .\/chatgpt.PS1                          \n# Set the file path for the log file\n$logFilePath = \"\/var\/log\/auth.log\"\n\n# Read the log file and store the contents in a variable\n$logContent = Get-Content -Path $logFilePath\n\n# Set the regular expression for extracting IP addresses\n$ipRegex = \"\\b\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\b\"\n\n# Extract all of the IP addresses from the log file\n$ipAddresses = $logContent | Select-String -Pattern $ipRegex -AllMatches | Select-String \"failed password for root\" | Select-Object -Expand Matches | Select-Object -Expand Value\n\n# Group the IP addresses by count\n$ipCounts = $ipAddresses | Group-Object | Select-Object Name, Count\n\n# Filter the list to include only IP addresses that have failed login attempts more than 20 times\n$filteredIpCounts = $ipCounts | Where-Object {$_.Count -gt 20}\n\n# Loop through each IP address\nforeach ($ipCount in $filteredIpCounts) {\n    # Get the IP address and the number of failed login attempts\n    $ip = $ipCount.Name\n    $count = $ipCount.Count\n\n    # Make a request to the IP address API to get information about the IP address\n    $ipInfo = Invoke-RestMethod -Method Get -Uri \"http:\/\/ip-api.com\/json\/$ip\"\n\n    # Sleep for a second to avoid making too many requests in a short period of time\n    Start-Sleep 1\n\n    # Create a custom object with the IP address, country, and number of failed login attempts\n    $result = [PSCustomObject]@{\n        \"IPAddress\" = $ip\n        Country = $ipInfo.Country\n        Count = $count\n    }\n\n    # Output the result\n    $result\n}<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"powershell\" class=\"language-powershell\">.\/chatgpt.PS1 | Sort-Object Count -Descending\n.\/show-attacker.PS1 | Sort-Object Count -Descending<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"876\" height=\"762\" src=\"https:\/\/tungle.ca\/wp-content\/uploads\/2023\/01\/image-23.png\" alt=\"\" class=\"wp-image-4585\" srcset=\"https:\/\/tungle.ca\/wp-content\/uploads\/2023\/01\/image-23.png 876w, https:\/\/tungle.ca\/wp-content\/uploads\/2023\/01\/image-23-300x261.png 300w, https:\/\/tungle.ca\/wp-content\/uploads\/2023\/01\/image-23-768x668.png 768w, https:\/\/tungle.ca\/wp-content\/uploads\/2023\/01\/image-23-200x174.png 200w\" sizes=\"auto, (max-width: 876px) 100vw, 876px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>ChatGPT&nbsp;is an AI chatbot system launched by&nbsp;OpenAI&nbsp;in November 2022. This is a great tool to help me understand more about PowerShell. Below are a couple of examples that I have used the tool to learn more PowerShell. Can you show me top 10 commands in PowerShell? Can you rewrite the script below? Tell me an [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,7,11],"tags":[10,12,13],"class_list":["post-4537","post","type-post","status-publish","format-standard","hentry","category-microsoft","category-powershell","category-security","tag-microsoft","tag-powershell","tag-security"],"_links":{"self":[{"href":"https:\/\/tungle.ca\/index.php?rest_route=\/wp\/v2\/posts\/4537","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tungle.ca\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tungle.ca\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tungle.ca\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tungle.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4537"}],"version-history":[{"count":8,"href":"https:\/\/tungle.ca\/index.php?rest_route=\/wp\/v2\/posts\/4537\/revisions"}],"predecessor-version":[{"id":4649,"href":"https:\/\/tungle.ca\/index.php?rest_route=\/wp\/v2\/posts\/4537\/revisions\/4649"}],"wp:attachment":[{"href":"https:\/\/tungle.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4537"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tungle.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4537"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tungle.ca\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4537"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}