Detection rules › Sigma
Steganography Hide Files with Steghide
Detects embedding of files with usage of steghide binary, the adversaries may use this technique to prevent the detection of hidden information.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Stealth | T1027.003 Obfuscated Files or Information: Steganography |
Event coverage
| Provider | Event |
|---|---|
| Linux-Auditd | Event ID 1309 |
Rule body yaml
title: Steganography Hide Files with Steghide
id: ce446a9e-30b9-4483-8e38-d2c9ad0a2280
status: test
description: Detects embedding of files with usage of steghide binary, the adversaries may use this technique to prevent the detection of hidden information.
references:
- https://vitux.com/how-to-hide-confidential-files-in-images-on-debian-using-steganography/
author: 'Pawel Mazur'
date: 2021-09-11
modified: 2022-10-09
tags:
- attack.stealth
- attack.t1027.003
logsource:
product: linux
service: auditd
detection:
selection:
type: EXECVE
a0: steghide
a1: embed
a2:
- '-cf'
- '-ef'
a4:
- '-cf'
- '-ef'
condition: selection
falsepositives:
- Unknown
level: low
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
type: EXECVE
a0: steghide
a1: embed
a2:
- '-cf'
- '-ef'
a4:
- '-cf'
- '-ef'
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.