Merge pull request #26 from sans-blue-team/Conrad-test
Inclusive language update
This commit is contained in:
10
DeepBlue.ps1
10
DeepBlue.ps1
@ -40,8 +40,8 @@ function Main {
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$minlength=1000 # Minimum length of command line to alert
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# Load cmd match regexes from csv file, ignore comments
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$regexes = Get-Content ".\regexes.txt" | Select-String '^[^#]' | ConvertFrom-Csv
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# Load cmd whitelist regexes from csv file, ignore comments
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$whitelist = Get-Content ".\whitelist.txt" | Select-String '^[^#]' | ConvertFrom-Csv
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# Load cmd safelist regexes from csv file, ignore comments
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$safelist = Get-Content ".\safelist.txt" | Select-String '^[^#]' | ConvertFrom-Csv
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$logname=Check-Options $file $log
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#"Processing the " + $logname + " log..."
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$filter=Create-Filter $file $logname
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@ -671,10 +671,10 @@ function Check-Command(){
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$text=""
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$base64=""
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# Check to see if command is whitelisted
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foreach ($entry in $whitelist) {
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# Check to see if command is safelisted
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foreach ($entry in $safelist) {
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if ($commandline -Match $entry.regex) {
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# Command is whitelisted, return nothing
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# Command is safelisted, return nothing
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return
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}
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}
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@ -3,12 +3,12 @@
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# Plus a (free) VirusTotal API Key: https://www.virustotal.com/en/documentation/public-api/
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#
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$hashdirectory = ".\hashes"
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$whitelistfile=".\file-whitelist.csv"
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# Load the whitelist into a hash table
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if (Test-Path $whitelistfile){
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$whitelist = Get-Content $whitelistfile | Select-String '^[^#]' | ConvertFrom-Csv
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$safelistfile=".\file-safelist.csv"
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# Load the safelist into a hash table
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if (Test-Path $safelistfile){
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$safelist = Get-Content $safelistfile | Select-String '^[^#]' | ConvertFrom-Csv
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$hashes=@{}
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foreach($entry in $whitelist){
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foreach($entry in $safelist){
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$hashes[$entry.sha256]=$entry.path
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}
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}
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@ -17,7 +17,7 @@ Get-ChildItem $hashdirectory | Foreach-Object{
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if ($_.Name -Match '^[0-9A-F]{64}$'){ # SHA256 hashes are 64 character hex strings
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$SHA256=$_.Name
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if ($hashes.containsKey($SHA256)){
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Rename-Item -Path "$hashdirectory\$SHA256" -NewName "$SHA256.whitelisted"
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Rename-Item -Path "$hashdirectory\$SHA256" -NewName "$SHA256.safelisted"
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}
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Else{
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try{
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@ -20,7 +20,7 @@ Sample evtx files are in the .\evtx directory
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- [Output](#output)
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- [Logging setup](#logging-setup)
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- See the [DeepBlue.py Readme](READMEs/README-DeepBlue.py.md) for information on DeepBlue.py
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- See the [DeepWhite Readme](READMEs/README-DeepWhite.md) for information on DeepWhite (detective whitelisting using Sysmon event logs)
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- See the [DeepWhite Readme](READMEs/README-DeepWhite.md) for information on DeepWhite (detective safelisting using Sysmon event logs)
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## Usage:
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@ -1,12 +1,12 @@
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# DeepWhite
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Detective whitelisting using Sysmon event logs.
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Detective safelisting using Sysmon event logs.
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Parses the Sysmon event logs, grabbing the SHA256 hashes from process creation (event 1), driver load (event 6, sys), and image load (event 7, DLL) events.
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## VirusTotal and Whitelisting setup
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## VirusTotal and Safelisting setup
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Setting up VirusTotal hash submissions and whitelisting:
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Setting up VirusTotal hash submissions and safelisting:
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The hash checker requires Post-VirusTotal:
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@ -59,11 +59,11 @@ You can go *much* further than this with Sysmon. The Sysinternals Sysmon page ha
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Also see @swiftonsecurity's awesome Sysmon config here: https://github.com/SwiftOnSecurity/sysmon-config
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## Generating a Whitelist
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## Generating a Safelist
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Generate a custom whitelist on Windows (note: this is optional):
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Generate a custom safelist on Windows (note: this is optional):
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```
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PS C:\> Get-ChildItem c:\windows\system32 -Include '*.exe','*.dll','*.sys','*.com' -Recurse | Get-FileHash| Export-Csv -Path whitelist.csv
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PS C:\> Get-ChildItem c:\windows\system32 -Include '*.exe','*.dll','*.sys','*.com' -Recurse | Get-FileHash| Export-Csv -Path safelist.csv
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```
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Note: this will generate (harmless) 'PermissionDenied' warnings for locked files, etc. They may be ignored.
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1
safelists/readme.md
Normal file
1
safelists/readme.md
Normal file
@ -0,0 +1 @@
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Placeholder for safelists directory
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Can't render this file because it is too large.
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@ -1 +0,0 @@
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Placeholder for whitelists directory
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