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Detects strings from kblogi module - Project Sauron report by Kaspersky

yara LOW Yara-Rules
communityproject_sauron
This rule was pulled from an open-source repository and enriched with AI. Validate in a test environment before deploying to production.
View original rule at Yara-Rules →
Retrieved: 2026-06-03T23:00:00Z · Confidence: medium

Hunt Hypothesis

The hypothesis is that the presence of strings from the kblogi module may indicate the execution of malicious code associated with the Project Sauron report, potentially used for reconnaissance or persistence. SOC teams should proactively hunt for this behavior in Azure Sentinel to identify early-stage adversary activity and prevent further compromise.

YARA Rule

rule APT_Project_Sauron_kblogi_module 
{

    meta:
        description = "Detects strings from kblogi module - Project Sauron report by Kaspersky"
        author = "Florian Roth"
        reference = "https://goo.gl/eFoP4A"
        date = "2016-08-08"

    strings:
        $x1 = "Inject using process name or pid. Default"
        $s2 = "Convert mode: Read log from file and convert to text"
        $s3 = "Maximum running time in seconds"

    condition:
        $x1 or 2 of them
}

Deployment Notes

This YARA rule can be deployed in the following contexts:

This rule contains 3 string patterns in its detection logic.

References

False Positive Guidance

Original source: https://github.com/Yara-Rules/rules/blob/main/malware/APT_Sauron_extras.yar