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netpass variant

yara LOW Yara-Rules
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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: 2026-06-28T11:00:00Z · Confidence: medium

Hunt Hypothesis

The netpass variant detection rule identifies potential credential theft or lateral movement by monitoring unusual network connection patterns that may indicate unauthorized access or data exfiltration. SOC teams should proactively hunt for this behavior in Azure Sentinel to detect early-stage adversaries leveraging compromised credentials to move laterally within the network.

YARA Rule

rule NetPass : Variant {
        meta:
                description = "netpass variant"
                author = "Katie Kleemola"
                last_updated = "2014-07-08"
        condition:
                NetpassStrings
}

Deployment Notes

This YARA rule can be deployed in the following contexts:

False Positive Guidance

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