Try in Splunk Security Cloud

Description

This detection identifies potential exploitation attempts of the CVE-2024-5806 vulnerability in Progress MOVEit Transfer. It looks for log entries indicating failures to access the certificate store, which can occur when an attacker attempts to exploit the authentication bypass vulnerability. This behavior is a key indicator of attempts to impersonate valid users without proper credentials. While certificate store access failures can occur during normal operations, an unusual increase in such events, especially from unexpected sources, may indicate malicious activity.

  • Type: Hunting

  • Product: Splunk Enterprise, Splunk Enterprise Security, Splunk Cloud

  • Last Updated: 2024-07-24
  • Author: Michael Haag, Splunk
  • ID: d61292d5-46e4-49ea-b23b-8049ea70b525

Annotations

ATT&CK

ATT&CK

ID Technique Tactic
T1190 Exploit Public-Facing Application Initial Access
Kill Chain Phase
  • Delivery
NIST
  • DE.AE
CIS20
  • CIS 10
CVE 


1
2
3
4
5



`moveit_sftp_logs` "IpWorksKeyService: Caught exception of type IPWorksSSHException: The certificate store could not be opened"
| stats count by source _raw 
| `security_content_ctime(firstTime)` 
| `security_content_ctime(lastTime)` 
| `moveit_certificate_store_access_failure_filter`

Macros

The SPL above uses the following Macros:

:information_source: moveit_certificate_store_access_failure_filter is a empty macro by default. It allows the user to filter out any results (false positives) without editing the SPL.

Required fields

List of fields required to use this analytic.

  • source
  • _raw

How To Implement

The MOVEit logs must be collected in Splunk. Currently, there is no TA available for MOVEit. Modify the analytic as needed to match the log format of your environment.

Known False Positives

False positives may occur, therefore utilize the analytic as a jump off point to identifiy potential certificate store errors.

Associated Analytic Story

RBA

Risk Score Impact Confidence Message
9.0 30 30 Potential exploitation of the CVE-2024-5806 vulnerability in Progress MOVEit Transfer, causing certificate store access failure on $source$.

:information_source: The Risk Score is calculated by the following formula: Risk Score = (Impact * Confidence/100). Initial Confidence and Impact is set by the analytic author.

Reference

Test Dataset

Replay any dataset to Splunk Enterprise by using our replay.py tool or the UI. Alternatively you can replay a dataset into a Splunk Attack Range

source | version: 1