Sigma rule: CVE-2024-1708 - ScreenConnect Path Traversal Exploitation - Security

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-df18c88b92da, updated 2024-02-20T00:00:00.000Z.

Rule

Title
CVE-2024-1708 - ScreenConnect Path Traversal Exploitation - Security
Status
test
Level
critical
Author
Matt Anderson, Caleb Stewart, Huntress
Date
2024-02-20
File
rules-emerging-threats/2024/Exploits/CVE-2024-1708/win_security_exploit_cve_2024_1708_screenconnect.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

This detects file modifications to ASPX and ASHX files within the root of the App_Extensions directory, which is allowed by a ZipSlip vulnerability in versions prior to 23.9.8. This occurs during exploitation of CVE-2024-1708.
This requires an Advanced Auditing policy to log a successful Windows Event ID 4663 events and with a SACL set on the directory.

Log source

product
windows
service
security
definition
Requirements: SACLs must be enabled for the ScreenConnect directory

Detection

selection:
    EventID: 4663
    ObjectType: 'File'
    ProcessName|contains: 'ScreenConnect.Service.exe'
    AccessMask: '0x6'
    ObjectName|endswith:
        - 'ScreenConnect\\App_Extensions\\*.ashx'
        - 'ScreenConnect\\App_Extensions\\*.aspx'
filter_main_legit_extension:
    ObjectName|contains: 'ScreenConnect\App_Extensions\\*\\'
condition: selection and not 1 of filter_main_*

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.initial-access
  • attack.persistence
  • cve.2024-1708
  • detection.emerging-threats

CVEs this rule names

Related rules

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/2024/Exploits/CVE-2024-1708/win_security_exploit_cve_2024_1708_screenconnect.yml

Sources and licences

  • SigmaHQ

    "CVE-2024-1708 - ScreenConnect Path Traversal Exploitation - Security" by Matt Anderson, Caleb Stewart, Huntress (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2024/Exploits/CVE-2024-1708/win_security_exploit_cve_2024_1708_screenconnect.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: CVE-2024-1708 - ScreenConnect Path Traversal Exploitation - Security",
entity page, dataset version ref-df18c88b92da, updated 2024-02-20T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/4c198a60-7d05-4daf-8bf7-4136fb6f5c62 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 4c198a60-7d05-4daf-8bf7-4136fb6f5c62, 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.