Windows_Trojan_NapListener_414180a7


Description

Windows.Trojan.NapListener

Query · yara

strings:
        $a1 = "https://*:443/ews/MsExgHealthCheckd/" ascii wide
        $a2 = "FillFromEncodedBytes" ascii wide
        $a3 = "Exception caught" ascii wide
        $a4 = "text/html; charset=utf-8" ascii wide
        $a5 = ".Run" ascii wide
        $a6 = "sdafwe3rwe23" ascii wide
    condition:
        5 of them
Raw source Windows_Trojan_NapListener_414180a7 · YARA
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Published by elastic/protections-artifacts ↗, licensed under Elastic License 2.0 ↗. Reproduced here unmodified.
rule Windows_Trojan_NapListener_414180a7 {
    meta:
        author = "Elastic Security"
        id = "414180a7-ca8d-4cf8-a346-08c3e0e1ed8a"
        fingerprint = "460b21638f200bf909e9e47bc716acfcb323540fbaa9ea9d0196361696ffa294"
        creation_date = "2023-02-28"
        last_modified = "2023-03-20"
        threat_name = "Windows.Trojan.NapListener"
        reference_sample = "6e8c5bb2dfc90bca380c6f42af7458c8b8af40b7be95fab91e7c67b0dee664c4"
        severity = 100
        arch_context = "x86, arm64"
        scan_context = "file, memory"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $a1 = "https://*:443/ews/MsExgHealthCheckd/" ascii wide
        $a2 = "FillFromEncodedBytes" ascii wide
        $a3 = "Exception caught" ascii wide
        $a4 = "text/html; charset=utf-8" ascii wide
        $a5 = ".Run" ascii wide
        $a6 = "sdafwe3rwe23" ascii wide
    condition:
        5 of them
}

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