Phoenix Studio
Convert indexed Sigma rules into analyst-ready detections.
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Indexed Rules
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17
Live from sigconverter.io
CLI Versions
10
Newest: 2.0.2
Translation Workspace
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Active Rule
Potential Network Sniffing Activity Using Network Tools
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Potential Network Sniffing Activity Using Network Tools
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: Potential Network Sniffing Activity Using Network Tools
id: ba1f7802-adc7-48b4-9ecb-81e227fddfd5
status: test
description: |
Detects potential network sniffing via use of network tools such as "tshark", "windump".
Network sniffing refers to using the network interface on a system to monitor or capture information sent over a wired or wireless connection.
An adversary may place a network interface into promiscuous mode to passively access data in transit over the network, or use span ports to capture a larger amount of data.
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1040/T1040.md
author: Timur Zinniatullin, oscd.community, Nasreddine Bencherchali (Nextron Systems)
date: 2019-10-21
modified: 2023-02-20
tags:
- attack.credential-access
- attack.discovery
- attack.t1040
logsource:
category: process_creation
product: windows
detection:
selection_tshark:
Image|endswith: '\tshark.exe'
CommandLine|contains: '-i'
selection_windump:
Image|endswith: '\windump.exe'
condition: 1 of selection_*
falsepositives:
- Legitimate administration activity to troubleshoot network issues
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/process_creation/proc_creation_win_susp_network_sniffing.yml