Sigma rule: Nohup Execution

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-bebde7dea11b, updated 2022-06-06T00:00:00.000Z.

Rule

Title
Nohup Execution
Status
test
Level
medium
Author
Christopher Peacock @SecurePeacock, SCYTHE @scythe_io
Date
2022-06-06
File
rules/linux/process_creation/proc_creation_lnx_nohup.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects usage of nohup which could be leveraged by an attacker to keep a process running or break out from restricted environments

Log source

product
linux
category
process_creation

Detection

selection:
    Image|endswith: '/nohup'
condition: selection

False positives (as the rule lists them)

  • Administrators or installed processes that leverage nohup

Tags

  • attack.execution
  • attack.t1059.004

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/linux/process_creation/proc_creation_lnx_nohup.yml

Sources and licences

  • SigmaHQ

    "Nohup Execution" by Christopher Peacock @SecurePeacock, SCYTHE @scythe_io (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/linux/process_creation/proc_creation_lnx_nohup.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Nohup Execution",
entity page, dataset version ref-bebde7dea11b, updated 2022-06-06T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/e4ffe466-6ff8-48d4-94bd-e32d1a6061e2 (accessed 2026-11-03).
Underlying source: SigmaHQ rule e4ffe466-6ff8-48d4-94bd-e32d1a6061e2, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.