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MediumSplunk security contentRaven Tait +1

Linux Possible Nimbuspwn Privilege Escalation

The following analytic detects directory traversal attempts associated with Nimbuspwn, a Linux privilege escalation vulnerability affecting the networkd-dispatcher service. Nimbuspwn exploits weaknesses in the…

Description

The following analytic detects directory traversal attempts associated with Nimbuspwn, a Linux privilege escalation vulnerability affecting the networkd-dispatcher service. Nimbuspwn exploits weaknesses in the networkd-dispatcher service to traverse directories and execute arbitrary code with elevated privileges. If confirmed malicious, this activity could allow an attacker to escalate privileges to root, potentially leading to full system compromise, persistent unauthorized access, and the ability to deploy additional malicious payloads.

Detection logic

Detection requirements

Platform
ContainersLinuxmacOSWindows

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source category
sysmon_for_linux_eventid_1

Known benign triggers

  • Legitimate system processes or administrative scripts that traverse directories in a similar pattern may trigger this detection. Filter based on known administrative activity and verified system processes.

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