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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
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Active Rule
Data Exfiltration with Wget
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Data Exfiltration with Wget
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: Data Exfiltration with Wget
id: cb39d16b-b3b6-4a7a-8222-1cf24b686ffc
status: test
description: |
Detects attempts to post the file with the usage of wget utility.
The adversary can bypass the permission restriction with the misconfigured sudo permission for wget utility which could allow them to read files like /etc/shadow.
references:
- https://linux.die.net/man/1/wget
- https://gtfobins.github.io/gtfobins/wget/
author: 'Pawel Mazur'
date: 2021-11-18
modified: 2022-12-25
tags:
- attack.exfiltration
- attack.t1048.003
logsource:
product: linux
service: auditd
detection:
selection:
type: EXECVE
a0: wget
a1|startswith: '--post-file='
condition: selection
falsepositives:
- Legitimate usage of wget utility to post a file
level: medium
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_data_exfil_wget.yml