webframp

CVE-2019-19781 Response steps - Have I been compromised?

Critical Exposure in Citrix ADC (NetScaler) – Unauthenticated Remote Code Execution

Credit: Suggested steps taken from twitter post by @darkQuassar

Just converted to copy/pastable gist for easy access

Check the root user command history

SwitHak

CVE-2020-0601 AKA ChainOfFools OR CurveBall

General

• Microsoft disclosed a vulnerability in their monthly Patch Tuesday referenced under CVE-2020-0601.
• The vulnerability was discovered by the U.S. National Security Agency, anounced today (2020-01-14) in their press conference, followed by a blog post and an official security advisory.
• The flaw is located in the "CRYPT32.DLL" file under the C:\Windows\System32\ directory.

Vulnerability explanation

• NSA description:
• NSA has discovered a critical vulnerability (CVE-2020-0601) affecting Microsoft Windows® cryptographic functionality.

jaredcatkinson

function Add-ACERootCertificate
{
    param
    (
        [Parameter(Mandatory = $true)]
        [string]
        $ServerIp,

        [Parameter()]
        [Int32]

jaredcatkinson

function Get-Hash
{
    <#
    .SYNOPSIS

    Get-Hash is a PowerShell Version 2 port of Get-FileHash that supports hashing files, as well as, strings.

    .PARAMETER InputObject

    This is the actual item used to calculate the hash. This value will support [Byte[]] or [System.IO.Stream] objects.

HarmJ0y

# PowerView's last major overhaul is detailed here: http://www.harmj0y.net/blog/powershell/make-powerview-great-again/
#   tricks for the 'old' PowerView are at https://gist.github.com/HarmJ0y/3328d954607d71362e3c

# the most up-to-date version of PowerView will always be in the dev branch of PowerSploit:
#   https://github.com/PowerShellMafia/PowerSploit/blob/dev/Recon/PowerView.ps1

# New function naming schema:
#   Verbs:
#       Get : retrieve full raw data sets
#       Find : ‘find’ specific data entries in a data set

jaredcatkinson

function Get-InjectedThread
{
    <# 
    
    .SYNOPSIS 
    
    Looks for threads that were created as a result of code injection.
    
    .DESCRIPTION
    

Neo23x0

<?xml version="1.0" encoding="UTF-8"?>
<Annotations start="0" num="171" total="171">
  <Annotation about="www.bussink.net/*" timestamp="0x0005d7bc4022b026" href="ChF3d3cuYnVzc2luay5uZXQvKhCm4IqBxPf1Ag">
    <Label name="_cse_turlh5vi4xc"/>
    <AdditionalData attribute="original_url" value="https://www.bussink.net/"/>
  </Annotation>
  <Annotation about="*.thedfirreport.com/*" timestamp="0x0005d76dd5f8679d" href="ChUqLnRoZWRmaXJyZXBvcnQuY29tLyoQnc_hr93t9QI">
    <Label name="_cse_turlh5vi4xc"/>
    <AdditionalData attribute="original_url" value="https://thedfirreport.com/"/>
  </Annotation>