suppress session in case of brute methods

lib/core/common.py

@@ -430,7 +430,7 @@ def dataToStdout(data, forceOutput=False):
                 print data.encode(conf.dataEncoding)
 
 def dataToSessionFile(data):
-    if not conf.sessionFile:
+    if not conf.sessionFile or kb.suppressSession:
         return
 
     conf.sessionFP.write(data)

lib/core/option.py

@@ -1192,6 +1192,7 @@ def __setKnowledgeBaseAttributes(flushAll=True):
     kb.resumedQueries  = {}
     kb.retriesCount    = 0
     kb.skipTests       = None
+    kb.suppressSession = False
     kb.technique       = None
     kb.testMode        = False
     kb.testQueryCount  = 0