Flawedgrace yara sig

rule Flawedgrace_bin
{
    meta:
        description = "Flawed Grace RAT"
        author = "James_inthe_box"
        reference = "e30c18f741916c335f7859b808929fa94295a708c19def4ca671f50909bdc225"
        date = "2019/03"
        maltype = "RAT"

    strings:
        $string1 = "AVGraceTunnelWriteThread"
        $string2 = "SYSTEM\\CurrentControlSet\\Control\\Terminal Server\\WinStations\\RDP-Tcp" wide

    condition:
        uint16(0) == 0x5A4D and all of ($string*) and filesize < 800KB
}

rule Flawedgrace_mem
{
    meta:
        description = "Flawed Grace RAT"
        author = "James_inthe_box"
        reference = "e30c18f741916c335f7859b808929fa94295a708c19def4ca671f50909bdc225"
        date = "2019/03"
        maltype = "RAT"

    strings:
        $string1 = "AVGraceTunnelWriteThread"
        $string2 = "SYSTEM\\CurrentControlSet\\Control\\Terminal Server\\WinStations\\RDP-Tcp" wide

    condition:
        all of ($string*) and filesize > 800KB
}