DCOM ExecuteExcel4macro¶

Metadata¶


Contributors	Roberto Rodriguez @Cyb3rWard0g
Creation Date	2020/09/18
Modification Date	2020/09/18
Tactics	TA0008
Techniques	T1021.003
Tags	DCOM

Dataset Description¶

This dataset represents adversaries leveraging the COM Method ExecuteExcel4Macro over DCOM to execute Excel4 macros remotely

Datasets Downloads¶

Type	Link
Host	https://raw.githubusercontent.com/OTRF/Security-Datasets/master/datasets/atomic/windows/lateral_movement/host/covenant_dcom_executeexcel4macro_allowed.zip
Network	https://raw.githubusercontent.com/OTRF/Security-Datasets/master/datasets/atomic/windows/lateral_movement/network/covenant_dcom_executeexcel4macro_allowed.zip

Simulation Metadata¶

Tools¶

type	Name	Module
C2	Covenant	ShellCmd

Adversary View¶

(wardog) > ShellCmd /shellcommand:"C:\Users\pgustavo\Desktop\MoveExcel4.exe 172.18.39.6

Explore Datasets¶

Download & Decompress Dataset¶

import requests
from zipfile import ZipFile
from io import BytesIO

url = https://raw.githubusercontent.com/OTRF/Security-Datasets/master/datasets/atomic/windows/lateral_movement/host/covenant_dcom_executeexcel4macro_allowed.zip
zipFileRequest = requests.get(url)
zipFile = ZipFile(BytesIO(zipFileRequest.content))
datasetJSONPath = zipFile.extract(zipFile.namelist()[0])

Read JSON File¶

from pandas.io import json

df = json.read_json(path_or_buf=datasetJSONPath, lines=True)

Access Security Events¶

df.groupby(['Channel']).size().sort_values(ascending=False)

References¶

https://www.mdsec.co.uk/2020/09/i-like-to-move-it-windows-lateral-movement-part-2-dcom/
https://raw.githubusercontent.com/OTRF/Security-Datasets/master/datasets/atomic/windows/lateral_movement/host/covenant_dcom_executeexcel4macro_blocked.zip
[‘https://raw.githubusercontent.com/OTRF/Security-Datasets/master/datasets/atomic/windows/lateral_movement/network/covenant_dcom_executeexcel4macro_blocked.zip’]

Mimikatz Netlogon Unauthenticated NetrServerAuthenticate2 DCOM RegisterXLL