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एक संग्रहीत proc canarytokens पिंग करेंगे कि --create
बनाने proc ping_canarytoken
के रूप में
शुरू
की घोषणाउपयोगकर्ता नाम वर्चर (अधिकतम), बेस 64 varchar (max), @tokendomain varchar (128), @unc varchar (128), आकार पूर्णांक किया हुआ पूर्णांक बिना सोचे समझे varchar(3);

--setup the variables
set @tokendomain = 'qo2dd6tftntl1pej9j68v31k6.canarytokens.com';
set size = 128;
set done = 0;
set random = cast(round(rand()*100,0) as varchar(2));
set random = concat(random, '.');
set username = SUSER_SNAME();

--loop runs until the UNC path is 128 chars or less
while done <= 0
begin
--convert username into base64
select base64 = (SELECT
CAST(N'' AS XML).value(
'xs:base64Binary(xs:hexBinary(sql:column(«bin»)))'
, 'VARCHAR(MAX)'
) Base64Encoding
FROM (
SELECT CAST(username AS VARBINARY(MAX)) AS bin
) AS bin_sql_server_temp);

--replace base64 padding as dns will choke on =
select base64 = replace(base64,'=','-')

--construct the UNC path
select @unc = concat('\\',@base64,'.',@random,@tokendomain,'\a')

— if too big, trim the username and try again
if len(@unc) <= size
set done = 1
else
--trim from the front, to keep the username and lose domain details
select username = substring(username, 2, len(username)-1)
end
exec master.dbo.xp_fileexist @unc;
END

--add a trigger if data is altered
CREATE TRIGGER TRIGGER1
ON TABLE1
AFTER INSERT
AS
BEGIN
exec ping_canarytoken
end