User Added To Root/Sudoers Group Using Usermod
Detects usage of the "usermod" binary to add users add users to the root or suoders groups
Detection logic
Detection requirements
- Log source product
- linux
- Log source category
- process_creation
Known benign triggers
- Legitimate administrator activities
MITRE ATT&CK mappings
Not mapped to ATT&CK.
References
| Reference | Cited by |
|---|---|
| pberba.github.io/security/2021/11/23/linux-threat-hunting-for-persistence-account-creation-manipulation/ | Only this detection cites it |
| www.configserverfirewall.com/ubuntu-linux/ubuntu-add-user-to-root-group/ | Only this detection cites it |
From the source
- At source
- Open at source
- Upstream identifier
- 6a50f16c-3b7b-42d1-b081-0fdd3ba70a73
- Tagged by the source as
- attack.persistenceattack.privilege-escalation
Licence
- Published under
- Detection Rule License 1.1Read the licence
- Attribution
- Required
Authorship
- Written by
- Published
- Aug 26, 2026
- Version
- 1