Sigma rule: SonicWall SSL/VPN Jarrewrite Exploitation

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-b718db557173, updated 2023-04-27T00:00:00.000Z.

Rule

Title
SonicWall SSL/VPN Jarrewrite Exploitation
Status
test
Level
high
Author
Florian Roth (Nextron Systems)
Date
2021-01-25
Modified
2023-04-27
File
rules-emerging-threats/2021/Exploits/VisualDoor-Exploit/web_sonicwall_jarrewrite_exploit.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects exploitation attempts of the SonicWall Jarrewrite Exploit

Log source

category
webserver

Detection

selection:
    cs-uri-query|contains: '/cgi-bin/jarrewrite.sh'
    cs-user-agent|contains:
        - ':;'
        - '() {'
        - '/bin/bash -c'
condition: selection

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.t1190
  • attack.initial-access
  • 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/2021/Exploits/VisualDoor-Exploit/web_sonicwall_jarrewrite_exploit.yml

Sources and licences

  • SigmaHQ

    "SonicWall SSL/VPN Jarrewrite Exploitation" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2021/Exploits/VisualDoor-Exploit/web_sonicwall_jarrewrite_exploit.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: SonicWall SSL/VPN Jarrewrite Exploitation",
entity page, dataset version ref-b718db557173, updated 2023-04-27T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/6f55f047-112b-4101-ad32-43913f52db46 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 6f55f047-112b-4101-ad32-43913f52db46, 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.