From 2115a5ca7ac8aa290c4d558ae55f87f97cf059cc Mon Sep 17 00:00:00 2001
From: Scott Sutherland <nullbind@users.noreply.github.com>
Date: Sun, 6 Oct 2024 19:54:23 -0500
Subject: [PATCH] Create parser-netrc.ps1

---
 Scripts/ConfigParsers/parser-netrc.ps1 | 100 +++++++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 Scripts/ConfigParsers/parser-netrc.ps1

diff --git a/Scripts/ConfigParsers/parser-netrc.ps1 b/Scripts/ConfigParsers/parser-netrc.ps1
new file mode 100644
index 0000000..5dccb75
--- /dev/null
+++ b/Scripts/ConfigParsers/parser-netrc.ps1
@@ -0,0 +1,100 @@
+# Author: Scott Sutherland, NetSPI (@_nullbind / nullbind)
+# Intended input: .netrc file
+function Get-PwNetrc {
+    param (
+        [string]$ComputerName = $null,   # Optional
+        [string]$ShareName    = $null,   # Optional
+        [string]$UncFilePath  = $null,   # Optional
+        [string]$FileName     = $null,   # Optional
+        [string]$FilePath                # Required
+    )
+
+    # Initialize an array to store parsed entries
+    $entries = @()
+
+    # Read file contents
+    $fileContent = Get-Content -Path $FilePath -ErrorAction Stop
+
+    # Initialize variables for each entry
+    $currentEntry = @{
+        ComputerName = $ComputerName
+        ShareName    = $ShareName
+        UncFilePath  = $UncFilePath
+        FileName     = $FileName
+        Section      = "NA"
+        ObjectName   = "NA"
+        TargetURL    = "NA"
+        TargetServer = "NA"
+        TargetPort   = "NA"
+        Database     = "NA"
+        Domain       = "NA"
+        Username     = "NA"
+        Password     = "NA"
+        PasswordEnc  = "NA"
+        KeyFilePath  = "NA"
+    }
+
+    # Parse lines from the .netrc file
+    foreach ($line in $fileContent) {
+        # Match each .netrc directive with regex
+        if ($line -match "^machine\s+(\S+)") {
+            # If an entry already exists, add it to the array
+            if ($currentEntry.TargetServer -ne "NA") {
+                $entries += [pscustomobject]$currentEntry
+            }
+            # Start a new entry
+            $currentEntry.TargetServer = $matches[1]
+            $currentEntry.Username = "NA"
+            $currentEntry.Password = "NA"
+        }
+        elseif ($line -match "^login\s+(\S+)") {
+            $currentEntry.Username = $matches[1]
+        }
+        elseif ($line -match "^password\s+(\S+)") {
+            $currentEntry.Password = $matches[1]
+        }
+    }
+
+    # Add the last entry if present
+    if ($currentEntry.TargetServer -ne "NA") {
+        $entries += [pscustomobject]$currentEntry
+    }
+
+    # Output the result
+    return $entries
+}
+
+# Sample command
+# Get-PwNetrc -ComputerName "MyComputer" -ShareName "MyShare" -UncFilePath "\\MyComputer\MyShare\netrc" -FileName ".netrc" -FilePath "C:\temp\.netrc"
+
+<# .netrc sample file
+
+# Sample .netrc file
+
+# Configuration for accessing example.com
+machine example.com
+login exampleuser
+password examplepass
+
+# Configuration for accessing another-site.com
+machine another-site.com
+login anotheruser
+password anotherpass
+
+# Configuration for accessing an FTP server at ftp.myserver.com
+machine ftp.myserver.com
+login ftpuser
+password ftppass
+
+# Configuration with an account for systems that require it
+machine account-required.com
+login myuser
+password mypassword
+account myaccount
+
+# Wildcard for default login when no specific machine is specified
+default
+login defaultuser
+password defaultpass
+
+#>