mirror of
https://github.com/valitydev/SigmaHQ.git
synced 2024-11-07 09:48:58 +00:00
30 lines
1.1 KiB
YAML
30 lines
1.1 KiB
YAML
title: Suspicious Commandline Escape
|
|
id: f0cdd048-82dc-4f7a-8a7a-b87a52b6d0fd
|
|
description: Detects suspicious process that use escape characters
|
|
status: experimental
|
|
references:
|
|
- https://twitter.com/vysecurity/status/885545634958385153
|
|
- https://twitter.com/Hexacorn/status/885553465417756673
|
|
- https://twitter.com/Hexacorn/status/885570278637678592
|
|
- https://www.fireeye.com/blog/threat-research/2017/06/obfuscation-in-the-wild.html
|
|
- http://www.windowsinspired.com/understanding-the-command-line-string-and-arguments-received-by-a-windows-program/
|
|
author: juju4
|
|
date: 2018/12/11
|
|
modified: 2020/03/14
|
|
tags:
|
|
- attack.defense_evasion
|
|
- attack.t1140
|
|
logsource:
|
|
category: process_creation
|
|
product: windows
|
|
detection:
|
|
selection:
|
|
CommandLine|contains:
|
|
# - <TAB> # no TAB modifier in sigmac yet, so this matches <TAB> (or TAB in elasticsearch backends without DSL queries)
|
|
- 'h^t^t^p'
|
|
- 'h"t"t"p'
|
|
condition: selection
|
|
falsepositives:
|
|
- False positives depend on scripts and administrative tools used in the monitored environment
|
|
level: low
|