some more fine tunning

stamparm · stamparm · commit 76a4aa19ac98 · 2012-05-28T19:50:12.000Z
diff --git a/lib/request/dns.py b/lib/request/dns.py
@@ -54,7 +54,7 @@ def response(self, resolution):
             retVal += "\xc0\x0c"                                                # Pointer to domain name
             retVal += "\x00\x01"                                                # Type A
             retVal += "\x00\x01"                                                # Class IN
-            retVal += "\x00\x00\x00\x00"                                        # TTL (don't cache)
+            retVal += "\x00\x00\x00\x20"                                        # TTL (32 seconds)
             retVal += "\x00\x04"                                                # Data length
             retVal += "".join(chr(int(_)) for _ in resolution.split('.'))       # 4 bytes of IP
 
diff --git a/lib/techniques/dns/use.py b/lib/techniques/dns/use.py
@@ -59,7 +59,7 @@ def dnsUse(payload, expression):
 
             while True:
                 count += 1
-                prefix, suffix = (("%s" % randomStr(3)).lower() for _ in xrange(2))
+                prefix, suffix = ("%s" % randomStr(3) for _ in xrange(2))
                 chunk_length = MAX_DNS_LABEL / 2 if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.MYSQL, DBMS.PGSQL) else MAX_DNS_LABEL / 4 - 2
                 _, _, _, _, _, _, fieldToCastStr, _ = agent.getFields(expression)
                 nulledCastedField = agent.nullAndCastField(fieldToCastStr)
