brokensound77

Detecting RMM

ℹ️ This was duplicated to this blog for readability and reference

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The most difficult challenge with RMM detection is contextual awareness around usage to determine if it is valid or malicious.

Neo23x0

/*
WARNING:
 
the newest version of this rule is now hosted here:
https://github.com/Neo23x0/god-mode-rules/blob/master/godmode.yar
*/


/*
      _____        __  __  ___        __      

ChrisLGardner

function New-ModuleOverview {
    <#
    .SYNOPSIS
    Generates a Markdown file with a short description of each public command in a module.

    .DESCRIPTION
    Finds all the public commands in a specified module and produces a simple Markdown file detailing the description or synopsis (user choice) for each.

    .PARAMETER ModuleName
    Name of the module to generate an overview for. If the module isn't already loaded then it will be loaded.

JohnLaTwC

## Uploaded by @JohnLaTwC
## Sample hash: fd334bb96b496592db6c9771f305a2ddca6610a59c6d45f5bbbb2b38859b4f36
On Error Resume Next
Dim objShell : Set objShell = CreateObject("WScript.Shell")

If LCase(Right(WScript.FullName, 11)) = "wscript.exe" Then
    For Each vArg In WScript.Arguments
        sArgs = sArgs & " """ & vArg & """"
    Next
    objShell.Run("cmd.exe /k cscript.exe //nologo " & Chr(34) & WScript.ScriptFullName & Chr(34) & sArgs & " && exit")

mattifestation

# Script author: Matt Graeber (@mattifestation)
# logman start AMSITrace -p Microsoft-Antimalware-Scan-Interface Event1 -o AMSITrace.etl -ets
# Do your malicious things here that would be logged by AMSI
# logman stop AMSITrace -ets

$OSArchProperty = Get-CimInstance -ClassName Win32_OperatingSystem -Property OSArchitecture
$OSArch = $OSArchProperty.OSArchitecture

$OSPointerSize = 32
if ($OSArch -eq '64-bit') { $OSPointerSize = 64 }

mattifestation

StorageUsage.dll,GetStorageUsageInfo
acmigration.dll,ApplyMigrationShims
acproxy.DLL,PerformAutochkOperations
ppioobe.dll,setupcalendaraccountforuser
edgehtml.dll,#125
edgehtml.dll,#133
davclnt.dll,davsetcookie
appxdeploymentextensions.onecore.dll,shellrefresh
pla.dll,plahost
aeinv.dll,updatesoftwareinventory

hiddenillusion

Term	Description	Link(s)
Alias	Another email address that people can use to email
App Password	An app password is a password that is created within the Azure portal and that allows the user to bypass MFA and continue to use their application.
Alternate email address	Required for admins to receive important notifications, or resetting the admin password which cannot be modified by the end users
AuditAdmin
AuditDelegate
Delegate	An account with assigned permissions to a mailbox.
Display Name	Name that appears in the Address Book & on the TO and From lines on an email.
EAC	"Exchange Admin Center"

scotgabriel

Rundll32 commands

OS: Windows 10/8/7

Add/Remove Programs

• RunDll32.exe shell32.dll,Control_RunDLL appwiz.cpl,,0

Content Advisor

• RunDll32.exe msrating.dll,RatingSetupUI

Control Panel

MHaggis

[POWERSHELL-DOWNLOAD-HUNT]
dispatch.earliest_time = -24h@h
dispatch.latest_time = now
dispatchAs = user
display.general.type = statistics
display.page.search.mode = verbose
display.page.search.tab = statistics
display.visualizations.charting.chart = bar
display.visualizations.show = 0
search = FileName=powershell.exe (CommandLine=*DownloadFile* OR CommandLine=*invoke-webrequest*) | stats values(CommandLine) as "commands" by ComputerName

jaredhaight

::
::#######################################################################
::
:: Change file associations to protect against common ransomware attacks
:: Note that if you legitimately use these extensions, like .bat, you will now need to execute them manually from cmd or powershell
:: Alternatively, you can right-click on them and hit 'Run as Administrator' but ensure it's a script you want to run :) 
:: ---------------------
ftype htafile="%SystemRoot%\system32\NOTEPAD.EXE" "%1"
ftype WSHFile="%SystemRoot%\system32\NOTEPAD.EXE" "%1"
ftype batfile="%SystemRoot%\system32\NOTEPAD.EXE" "%1"