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This commit is contained in:
Bernardo Damele 2012-04-04 12:44:25 +00:00
parent c0946ce2c9
commit 025c531d22
1 changed files with 0 additions and 17 deletions
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17
lib/techniques/dns/use.py
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@ -34,29 +34,12 @@ from lib.core.data import logger
from lib.core.data import queries
from lib.core.enums import DBMS
from lib.core.enums import PAYLOAD
from lib.core.settings import FROM_DUMMY_TABLE
from lib.core.settings import MAX_DNS_LABEL
from lib.core.settings import PARTIAL_VALUE_MARKER
from lib.core.unescaper import unescaper
from lib.request.connect import Connect as Request
def dnsTest(payload):
logger.info("testing for data retrieval through DNS channel")
randInt = randomInt()
kb.dnsTest = dnsUse(payload, "SELECT %d%s" % (randInt, FROM_DUMMY_TABLE.get(Backend.getIdentifiedDbms(), ""))) == str(randInt)
if not kb.dnsTest:
errMsg = "data retrieval through DNS channel failed. Turning off DNS exfiltration support"
logger.error(errMsg)
conf.dnsDomain = None
else:
infoMsg = "data retrieval through DNS channel was successful"
logger.info(infoMsg)
def dnsUse(payload, expression):
"""
Retrieve the output of a SQL query taking advantage of the DNS