rule win_industroyer_w5 {
    meta:
        description = "Blank mutex creation assoicated with CRASHOVERRIDE"
        author = "Dragos Inc"
        reference = "https://dragos.com/blog/crashoverride/"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.industroyer"
        malpedia_version = "20170615"
        malpedia_license = "CC BY-NC-SA 4.0"
        malpedia_sharing = "TLP:WHITE"
    strings:
        $s1 = { 81 ec 08 02 00 00 57 33 ff 57 57 57 ff 15 ?? ?? 40 00 a3 ?? ?? ?? 00 85 c0 }
        $s2 = { 8d 85 ?? ?? ?? ff 50 57 57 6a 2e 57 ff 15 ?? ?? ?? 00 68 ?? ?? 40 00}
    condition:
        all of them
}