Windows_Trojan_NightshadeC2_1b671a64

rule Windows_Trojan_NightshadeC2_1b671a64 {
    meta:
        author = "Elastic Security"
        id = "1b671a64-40d5-491e-99b0-da01ff1f3341"
        fingerprint = "1edaa200ce114d7685d10f119859806cc19935d0d950b44ce300407d3598139f"
        creation_date = "2025-09-09"
        last_modified = "2026-01-06"
        threat_name = "Windows.Trojan.NightshadeC2"
        reference_sample = "94dc0f696a46f3c225b0aa741fbd3b8997a92126d66d7bc7c9dd8097af0de52a"
        severity = 100
        arch_context = "x86, arm64"
        scan_context = "file, memory"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $a1 = "GetHWID(botinfo_addr + BOT_INFO.hwid.offset)" fullword
        $a2 = "botinfo.iselevated = CheckElevation();" fullword
        $a3 = "Winhttp.WinHttpConnect(hSession, \"www.ip-api.com\"" fullword
        $a5 = "S_START_TERMINAL" fullword
    condition:
        3 of them
}