Phoenix Studio
Convert indexed Sigma rules into analyst-ready detections.
This studio is built around Phoenix's own rule corpus, not a blank editor. Search by title or rule id, choose a local pySigma backend, then reveal pipelines only when you actually need them.
Indexed Rules
3,731
Ready to search
Backends
17
Loaded from pysigma-node
pySigma Versions
10
Newest: 1.3.3
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
AWS VPC Flow Logs Deleted
Target Profile
Splunk
Splunk through pysigma-backend-splunk.
Format Mode
Default
Default pySigma output mode for this backend.
Conversion Output
AWS VPC Flow Logs Deleted
Using Splunk · Default · pySigma 1.3.3
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion1.3.3
title: AWS VPC Flow Logs Deleted
id: e386b9b5-af12-450e-afff-761730fb8a98
status: experimental
description: |
Detects the deletion of one or more VPC Flow Logs in AWS Elastic Compute Cloud (EC2) through the DeleteFlowLogs API call.
Adversaries may delete flow logs to evade detection or remove evidence of network activity, hindering forensic investigations and visibility into malicious operations.
references:
- https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_DeleteFlowLogs.html
- https://awscli.amazonaws.com/v2/documentation/api/latest/reference/ec2/delete-flow-logs.html
- https://www.elastic.co/docs/reference/security/prebuilt-rules/rules/integrations/aws/defense_evasion_ec2_flow_log_deletion
author: Ivan Saakov
date: 2025-10-19
tags:
- attack.defense-evasion
logsource:
product: aws
service: cloudtrail
detection:
selection_event_name:
eventName: 'DeleteFlowLogs'
selection_status_success:
errorCode: 'Success'
selection_status_null:
errorCode: null
condition: selection_event_name and 1 of selection_status_*
falsepositives:
- During maintenance operations or testing, authorized administrators may delete VPC Flow Logs as part of routine network management or cleanup activities.
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/cloud/aws/cloudtrail/aws_cloudtrail_vpc_flow_logs_deleted.yml