Phoenix Studio
Convert indexed Sigma rules into analyst-ready detections.
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Indexed Rules
3,707
Ready to search
Backends
17
Live from sigconverter.io
CLI Versions
10
Newest: 2.0.2
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
Binary Padding - Linux
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Binary Padding - Linux
Using Splunk · Default · sigma-cli 2.0.2
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion2.0.2
title: Binary Padding - Linux
id: c52a914f-3d8b-4b2a-bb75-b3991e75f8ba
status: test
description: |
Adversaries may use binary padding to add junk data and change the on-disk representation of malware.
This rule detect using dd and truncate to add a junk data to file.
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1027.001/T1027.001.md
author: Igor Fits, oscd.community
date: 2020-10-13
modified: 2023-05-03
tags:
- attack.defense-evasion
- attack.t1027.001
logsource:
product: linux
service: auditd
detection:
selection_execve:
type: 'EXECVE'
keywords_truncate:
'|all':
- 'truncate'
- '-s'
keywords_dd:
'|all':
- 'dd'
- 'if='
keywords_filter:
- 'of='
condition: selection_execve and (keywords_truncate or (keywords_dd and not keywords_filter))
falsepositives:
- Unknown
level: high
simulation:
- type: atomic-red-team
name: Pad Binary to Change Hash - Linux/macOS dd
technique: T1027.001
atomic_guid: ffe2346c-abd5-4b45-a713-bf5f1ebd573a
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/linux/auditd/execve/lnx_auditd_binary_padding.yml