Triple Cross eBPF Rootkit Install Commands — Sigma Rule

Rule metadata and linked tags

Author: Nasreddine Bencherchali (Nextron Systems). Source status: test; severity: high. Source dates: 2022-07-05 / not supplied.

{
  "category": "process_creation",
  "product": "linux"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: da8be06ec4628635c6f43c03992c3e82f202e5b7c8f40267d40f4cb847eb75f3

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Triple Cross eBPF Rootkit Install Commands
id: 22236d75-d5a0-4287-bf06-c93b1770860f
status: test
description: Detects default install commands of the Triple Cross eBPF rootkit based on the "deployer.sh" script
references:
    - https://github.com/h3xduck/TripleCross/blob/1f1c3e0958af8ad9f6ebe10ab442e75de33e91de/apps/deployer.sh
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-07-05
tags:
    - attack.stealth
    - attack.t1014
logsource:
    category: process_creation
    product: linux
detection:
    selection:
        Image|endswith: '/sudo'
        CommandLine|contains|all:
            - ' tc '
            - ' enp0s3 '
        CommandLine|contains:
            - ' qdisc '
            - ' filter '
    condition: selection
falsepositives:
    - Unlikely
level: high

Original YAML and metadata in JSON

False positives

• Unlikely

Source references

• https://github.com/h3xduck/TripleCross/blob/1f1c3e0958af8ad9f6ebe10ab442e75de33e91de/apps/deployer.sh