Anydesk snort suricata yara

rule Anydesk_bin
{
    meta:
        description = "Anydesk Remote Desktop"
        author = "James_inthe_box"
        reference = "https://app.any.run/tasks/350b9457-b888-45a2-b3ea-095de35fb3ad"
        date = "2020/04"
        maltype = "RAT"

    strings:
        $string1 = "Anydesk" fullword nocase ascii wide
        $string2 = "service.conf" fullword nocase ascii wide
        $string3 = "system.conf" fullword nocase ascii wide

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

rule Anydesk_mem
{
    meta:
        description = "Anydesk Remote Desktop"
        author = "James_inthe_box"
        reference = "https://app.any.run/tasks/350b9457-b888-45a2-b3ea-095de35fb3ad"
        date = "2020/04"
        maltype = "RAT"

    strings:
        $string1 = "Anydesk" fullword nocase ascii wide
        $string2 = "service.conf" fullword nocase ascii wide
        $string3 = "system.conf" fullword nocase ascii wide

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


snort / suricata
alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"Anydesk User-Agent"; flow:established,to_server; content:"User-Agent|3a| Anydesk"; http_header; reference:md5,dbd72c9f5be0bd3f150111661917db67; classtype:trojan-activity; sid:20166321; rev:1; metadata:created_at 2020_04_09;)