CSEC_PUBLIC/WELA
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refactor

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fukusuket
2025-03-22 15:22:15 +09:00
parent 48ed63e36a
commit e23d6430a1
1 changed files with 21 additions and 23 deletions
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44
WELA.ps1
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@@ -1,12 +1,4 @@
Import-Module -Name ./WELAFunctions.psm1
# Set the console encoding to UTF-8
[Console]::OutputEncoding = [System.Text.Encoding]::UTF8
# Step 1: Run the auditpol command using cmd.exe and redirect its output to a file
$autidpolTxt = "auditpol_output.txt"
Start-Process -FilePath "cmd.exe" -ArgumentList "/c chcp 437 & auditpol /get /category:* /r" -NoNewWindow -Wait -RedirectStandardOutput $autidpolTxt
$logo = @"
┏┓┏┓┏┳━━━┳┓ ┏━━━┓
┃┃┃┃┃┃┏━━┫┃ ┃┏━┓┃
@@ -17,42 +9,47 @@ $logo = @"
by Yamato Security
"@
# Set the console encoding to UTF-8
[Console]::OutputEncoding = [System.Text.Encoding]::UTF8
# Step 1: Run the auditpol command using cmd.exe and redirect its output to a file
$autidpolTxt = "auditpol_output.txt"
Start-Process -FilePath "cmd.exe" -ArgumentList "/c chcp 437 & auditpol /get /category:* /r" -NoNewWindow -Wait -RedirectStandardOutput $autidpolTxt
Write-Host $logo -ForegroundColor Green
# Step 3: Set the applicable flag for each rule
$rules = Set-Applicable -autidpolTxt $autidpolTxt -jsonRulePath "./config/security_rules.json"
$allSecRules = $rules | Where-Object { $_.channel -eq "sec" }
$allPwsClaRules = $rules | Where-Object { $_.channel -eq "pwsh" -and $_.event_ids -contains "400" }
$allSecRules = $rules | Where-Object { $_.channel -eq "sec" }
$allPwsClaRules = $rules | Where-Object { $_.channel -eq "pwsh" -and ($_.event_ids -contains "400" -or $_.event_ids -contains "600" -or $_.event_ids.Count -eq 0) }
$allPwsModRules = $rules | Where-Object { $_.channel -eq "pwsh" -and $_.event_ids -contains "4103" }
$allPwsScrRules = $rules | Where-Object { $_.channel -eq "pwsh" -and $_.event_ids -contains "4104" }
$usableSecRules = $rules | Where-Object { $_.applicable -eq $true -and $_.channel -eq "sec" }
$usablePwsRules = $rules | Where-Object { $_.applicable -eq $true -and $_.channel -eq "pwsh" }
$usableSecRules = $rules | Where-Object { $_.applicable -eq $true -and $_.channel -eq "sec" }
$usablePwsRules = $rules | Where-Object { $_.applicable -eq $true -and $_.channel -eq "pwsh" }
$usablePwsClaRules = $rules | Where-Object { $_.applicable -eq $true -and $_.channel -eq "pwsh" -and ($_.event_ids -contains "400" -or $_.event_ids -contains "600" -or $_.event_ids.Count -eq 0) }
$usablePwsModRules = $rules | Where-Object { $_.applicable -eq $true -and $_.channel -eq "pwsh" -and $_.event_ids -contains "4103" }
$usablePwsScrRules = $rules | Where-Object { $_.applicable -eq $true -and $_.channel -eq "pwsh" -and $_.event_ids -contains "4104" }
$unusableRules = $rules | Where-Object { $_.applicable -eq $false }
# Step 4: Count the number of usable and unusable rules for each level
$totalCounts = Get-RuleCounts -rules $rules
$totalSecCounts = Get-RuleCounts -rules $allSecRules
$totalPwsCounts = Get-RuleCounts -rules $allPwsClaRules
$totalCounts = Get-RuleCounts -rules $rules
$totalSecCounts = Get-RuleCounts -rules $allSecRules
$totalPwsCounts = Get-RuleCounts -rules $allPwsClaRules
$totalPwsClaCounts = Get-RuleCounts -rules $allPwsClaRules
$totalPwsModCounts = Get-RuleCounts -rules $allPwsModRules
$totalPwsScrCounts = Get-RuleCounts -rules $allPwsScrRules
$usableSecCounts = Get-RuleCounts -rules $usableSecRules
$usablePwsCounts = Get-RuleCounts -rules $usablePwsRules
$usableSecCounts = Get-RuleCounts -rules $usableSecRules
$usablePwsCounts = Get-RuleCounts -rules $usablePwsRules
$usablePwsClaCounts = Get-RuleCounts -rules $usablePwsClaRules
$usablePwsModCounts = Get-RuleCounts -rules $usablePwsModRules
$usablePwsScrCounts = Get-RuleCounts -rules $usablePwsScrRules
# Step 5: Calculate the usable rate for each level
$usableSecRate = CalculateUsableRate -counts $usableSecCounts -totalCounts $totalSecCounts
$usablePwsRate = CalculateUsableRate -counts $usablePwsCounts -totalCounts $totalPwsCounts
$usableSecRate = CalculateUsableRate -counts $usableSecCounts -totalCounts $totalSecCounts
$usablePwsRate = CalculateUsableRate -counts $usablePwsCounts -totalCounts $totalPwsCounts
$usablePwsClaRate = CalculateUsableRate -counts $usablePwsClaCounts -totalCounts $totalPwsClaCounts
$usablePwsModRate = CalculateUsableRate -counts $usablePwsModCounts -totalCounts $totalPwsModCounts
$usablePwsScrRate = CalculateUsableRate -counts $usablePwsScrCounts -totalCounts $totalPwsScrCounts
@@ -64,7 +61,7 @@ $pwsModStatus = if ($pwsModEnabled) { "Enabled" } else { "Disabled" }
$pwsSrcStatus = if ($pwsScrEnabled) { "Enabled" } else { "Disabled" }
# Step 7: Calculate the total usable rate
$totalUsableSecRate = CalculateTotalUsableRate -usableRate $usableSecRate
$totalUsableSecRate = CalculateTotalUsableRate -usableRate $usableSecRate
$totalUsablePwsClaRate = CalculateTotalUsableRate -usableRate $usablePwsClaRate
$totalUsablePwsModRate = CalculateTotalUsableRate -usableRate $usablePwsModRate
$totalUsablePwsScrRate = CalculateTotalUsableRate -usableRate $usablePwsScrRate
@@ -83,5 +80,6 @@ $utilizationPercentage = "{0:N2}" -f (($totalUsable / $totalRulesCount) * 100)
Write-Output "You can utilize $utilizationPercentage% of your detection rules."
# Step 8: Save the lists of usable and unusable rules to CSV files
$unusableRules = $rules | Where-Object { $_.applicable -eq $false }
$usableSecRules | Select-Object title, level, id | Export-Csv -Path "UsableRules.csv" -NoTypeInformation
$unusableRules | Select-Object title, level, id | Export-Csv -Path "UnusableRules.csv" -NoTypeInformation