[Arkshine]

For me, Host_ShutdownServer is : 0x50050

and the sig would be :

{
    "name"        : "Host_ShutdownServer",
    "library"     : "engine",
    "identifiers" :
    [
        {
            "os"    : "windows",
            "mod"   : "cstrike",
            "value" : [0x55,0x8B,0xEC,0xA1,"*","*","*","*",0x85,0xC0,0x0F,"*","*","*","*","*",0x56,"*","*","*","*",0x6A,0x01]
        },
        {
            "os"    : "linux",
            "mod"   : "cstrike",
            "value" : "Host_ShutdownServer"
        }
    ]
}

If I'm motivated I will do a tutorial, it's not that hard.