Steganography Hide Zip Information in Picture File

testlow
log source: linux · auditdauthor Pawel Mazurdate 2021-09-09
01

description

What this is, in brief.

Detects appending of zip file to image

02

tags

attack.stealthattack.t1027.003
03

rule source (YAML)

title: Steganography Hide Zip Information in Picture File
id: 45810b50-7edc-42ca-813b-bdac02fb946b
status: test
description: Detects appending of zip file to image
references:
    - https://zerotoroot.me/steganography-hiding-a-zip-in-a-jpeg-file/
author: 'Pawel Mazur'
date: 2021-09-09
modified: 2022-10-09
tags:
    - attack.stealth
    - attack.t1027.003
logsource:
    product: linux
    service: auditd
detection:
    commands:
        type: EXECVE
        a0: cat
    a1:
        a1|endswith:
            - '.jpg'
            - '.png'
    a2:
        a2|endswith: '.zip'
    condition: commands and a1 and a2
falsepositives:
    - Unknown
level: low
04

detects techniques (1)

ATT&CK techniques this enables or maps to.

05

references

External citations — patches, advisories, analysis.