Detection rules › Sigma
Potential Suspicious BPF Activity - Linux
Detects the presence of "bpf_probe_write_user" BPF helper-generated warning messages. Which could be a sign of suspicious eBPF activity on the system.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Persistence | No specific technique |
| Stealth | No specific technique |
Rule body
title: Potential Suspicious BPF Activity - Linux
id: 0fadd880-6af3-4610-b1e5-008dc3a11b8a
status: test
description: Detects the presence of "bpf_probe_write_user" BPF helper-generated warning messages. Which could be a sign of suspicious eBPF activity on the system.
references:
- https://redcanary.com/blog/ebpf-malware/
- https://man7.org/linux/man-pages/man7/bpf-helpers.7.html
author: Red Canary (idea), Nasreddine Bencherchali
date: 2023-01-25
tags:
- attack.persistence
- attack.stealth
logsource:
product: linux
detection:
selection:
- 'bpf_probe_write_user'
condition: selection
falsepositives:
- Unknown
level: high
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
- 'bpf_probe_write_user'