Sigma rule: Download File To Potentially Suspicious Directory Via Wget

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-08879045c882, updated 2023-06-02T00:00:00.000Z.

Rule

Title
Download File To Potentially Suspicious Directory Via Wget
Status
test
Level
medium
Author
Joseliyo Sanchez, @Joseliyo_Jstnk
Date
2023-06-02
File
rules/linux/process_creation/proc_creation_lnx_wget_download_suspicious_directory.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the use of wget to download content to a suspicious directory

Log source

product
linux
category
process_creation

Detection

selection_img:
    Image|endswith: '/wget'
selection_output:
    - CommandLine|re: '\s-O\s' # We use regex to ensure a case sensitive argument detection
    - CommandLine|contains: '--output-document'
selection_path:
    CommandLine|contains: '/tmp/'
condition: all of selection_*

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.command-and-control
  • attack.t1105

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_wget_download_suspicious_directory.yml

Sources and licences

  • SigmaHQ

    "Download File To Potentially Suspicious Directory Via Wget" by Joseliyo Sanchez, @Joseliyo_Jstnk (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/linux/process_creation/proc_creation_lnx_wget_download_suspicious_directory.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: Download File To Potentially Suspicious Directory Via Wget",
entity page, dataset version ref-08879045c882, updated 2023-06-02T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/cf610c15-ed71-46e1-bdf8-2bd1a99de6c4 (accessed 2026-11-03).
Underlying source: SigmaHQ rule cf610c15-ed71-46e1-bdf8-2bd1a99de6c4, 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.