mirror of
https://github.com/valitydev/SigmaHQ.git
synced 2024-11-08 18:23:52 +00:00
47 lines
1.3 KiB
YAML
Executable File
47 lines
1.3 KiB
YAML
Executable File
title: Rundll32 Internet Connection
|
|
id: cdc8da7d-c303-42f8-b08c-b4ab47230263
|
|
status: experimental
|
|
description: Detects a rundll32 that communicates with public IP addresses
|
|
references:
|
|
- https://www.hybrid-analysis.com/sample/759fb4c0091a78c5ee035715afe3084686a8493f39014aea72dae36869de9ff6?environmentId=100
|
|
author: Florian Roth
|
|
date: 2017/11/04
|
|
modified: 2020/08/24
|
|
tags:
|
|
- attack.defense_evasion
|
|
- attack.t1218.011
|
|
- attack.t1085 # an old one
|
|
- attack.execution
|
|
logsource:
|
|
category: network_connection
|
|
product: windows
|
|
detection:
|
|
selection:
|
|
Image: '*\rundll32.exe'
|
|
Initiated: 'true'
|
|
filter:
|
|
DestinationIp:
|
|
- '10.*'
|
|
- '192.168.*'
|
|
- '172.16.*'
|
|
- '172.17.*'
|
|
- '172.18.*'
|
|
- '172.19.*'
|
|
- '172.20.*'
|
|
- '172.21.*'
|
|
- '172.22.*'
|
|
- '172.23.*'
|
|
- '172.24.*'
|
|
- '172.25.*'
|
|
- '172.26.*'
|
|
- '172.27.*'
|
|
- '172.28.*'
|
|
- '172.29.*'
|
|
- '172.30.*'
|
|
- '172.31.*'
|
|
- '127.*'
|
|
condition: selection and not filter
|
|
falsepositives:
|
|
- Communication to other corporate systems that use IP addresses from public address spaces
|
|
level: medium
|