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EQGRP Toolset Firewall - file config_jp1_UA.pl

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: 2026-05-22T23:00:00Z · Confidence: medium

Hunt Hypothesis

The detection identifies potential adversary use of the EQGRP Toolset Firewall configuration file to establish unauthorized network connections or manipulate firewall rules. SOC teams should proactively hunt for this behavior to uncover covert lateral movement or persistence mechanisms that may evade traditional detection methods.

YARA Rule

rule EQGRP_config_jp1_UA 
{

    meta:
        description = "EQGRP Toolset Firewall - file config_jp1_UA.pl"
        author = "Florian Roth"
        reference = "Research"
        date = "2016-08-16"
        hash1 = "2f50b6e9891e4d7fd24cc467e7f5cfe348f56f6248929fec4bbee42a5001ae56"

    strings:
        $x1 = "This program will configure a JETPLOW Userarea file." fullword ascii
        $x2 = "Error running config_implant." fullword ascii
        $x3 = "NOTE:  IT ASSUMES YOU ARE OPERATING IN THE INSTALL/LP/JP DIRECTORY. THIS ASSUMPTION " fullword ascii
        $x4 = "First IP address for beacon destination [127.0.0.1]" fullword ascii

    condition:
        1 of them
}

Deployment Notes

This YARA rule can be deployed in the following contexts:

This rule contains 4 string patterns in its detection logic.

References

False Positive Guidance

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