8.t crew yara sig

rule Eightt_dll_bin
{
    meta:
        description = "8t crew malware"
        author = "James_inthe_box"
        reference = "853136f00e87a1ab3e2fc3acb309573e"
        date = "2019/04"
        maltype = "RAT"

    strings:
        $string1 = "takeown /F \"%s\""
        $string2 = "del %%0 /q /f"
        $string3 = "del \"%s\" /q /f"
        $string4 = "Ping 127.0.0.1"
        $string5 = "InvokeMainViaCRT"
        $string6 = "\"Main Invoked.\""
        $string7 = "InitializeCriticalSectionAndSpinCount"

    condition:
        uint16(0) == 0x5A4D and uint8(uint32(0x3c)+23) == 0x21 and all of ($string*) and filesize < 700KB
}

rule Eightt_dll_mem
{
    meta:
        description = "8t crew malware"
        author = "James_inthe_box"
        reference = "853136f00e87a1ab3e2fc3acb309573e"
        date = "2019/04"
        maltype = "RAT"

    strings:
        $string1 = "taskkill /f /pid %s" wide
        $string2 = "reg delete H" wide
        $string3 = "ipconfig /flushdns" wide
        $string4 = "\\pxry.dat"
        $string5 = "passwd"
        $string6 = "OpenProcessToken Error: %d"
        $string7 = "rd /s/q \"%s\"" wide

    condition:
        all of ($string*) and filesize > 700KB
}