Sigma rule: Lynx Ransomware Execution Pattern

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-097fa99f9321, updated 2026-06-25T00:00:00.000Z.

Rule

Title
Lynx Ransomware Execution Pattern
Status
experimental
Level
high
Author
Swarup-Ingale
Date
2026-06-25
File
rules-emerging-threats/2026/Malware/Lynx-Ransomware/proc_creation_win_malware_lynx.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the execution of Lynx ransomware based on specific command line flags such as '--noprint' and '--mode fast'.

Log source

product
windows
category
process_creation

Detection

selection:
    CommandLine|contains|all:
        - ' --mode '
        - ' fast'
        - ' --noprint'
condition: selection

False positives (as the rule lists them)

  • Unlikely

Tags

  • attack.impact
  • attack.t1486
  • detection.emerging-threats

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-emerging-threats/2026/Malware/Lynx-Ransomware/proc_creation_win_malware_lynx.yml

Sources and licences

  • SigmaHQ

    "Lynx Ransomware Execution Pattern" by Swarup-Ingale (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2026/Malware/Lynx-Ransomware/proc_creation_win_malware_lynx.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: Lynx Ransomware Execution Pattern",
entity page, dataset version ref-097fa99f9321, updated 2026-06-25T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/a30c7711-1b6d-49eb-9925-a4b2c0e9f039 (accessed 2026-11-03).
Underlying source: SigmaHQ rule a30c7711-1b6d-49eb-9925-a4b2c0e9f039, 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.