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	01.default.rb - warvox - VoIP based wardialing tool, forked from rapid7/warvox.
	git clone git://jay.scot/warvox
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	01.default.rb (1691B)
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	1 #
	2 # WarVOX Classifiers
	3 #
	4
	5 #
	6 # These lightweight signatures are used to determine the
	7 # line type, which is the top-level classification that
	8 # differentiates between modem, fax, voice, and other
	9 # common results.
	10 #
	11
	12
	13 #
	14 # If you want to force your checks to run first, add your
	15 # logic to a file starting with "00." and place it in
	16 # this directory. Signature files are processed numerically
	17 # from lowest to highest (like RC scripts)
	18 #
	19
	20
	21 #
	22 # Initialize some local variables out of data
	23 #
	24 freq = data[:freq]
	25 fcnt = data[:fcnt]
	26 maxf = data[:maxf]
	27
	28 #
	29 # Look for modems by detecting a 2100hz answer + 2250hz tone
	30 #
	31 if( (fcnt[2100] > 1.0 or fcnt[2230] > 1.0) and fcnt[2250] > 0.5)
	32 @line_type = 'modem'
	33 raise Completed
	34 end
	35
	36 #
	37 # Look for modems by detecting a peak frequency of 2250hz
	38 #
	39 if(fcnt[2100] > 1.0 and (maxf > 2245.0 and maxf < 2255.0))
	40 @line_type = 'modem'
	41 raise Completed
	42 end
	43
	44 #
	45 # Look for modems by detecting a peak frequency of 3000hz
	46 #
	47 if(fcnt[2100] > 1.0 and (maxf > 2995.0 and maxf < 3005.0))
	48 @line_type = 'modem'
	49 raise Completed
	50 end
	51
	52 #
	53 # Look for faxes by checking for a handful of tones (min two)
	54 #
	55 fax_sum = 0
	56 [
	57 fcnt[1625], fcnt[1660], fcnt[1825], fcnt[2100],
	58 fcnt[600], fcnt[1855], fcnt[1100], fcnt[2250],
	59 fcnt[2230], fcnt[2220], fcnt[1800], fcnt[2095],
	60 fcnt[2105]
	61 ].map{\|x\| fax_sum += [x,1.0].min }
	62 if(fax_sum >= 2.0)
	63 @line_type = 'fax'
	64 raise Completed
	65 end
	66
	67 #
	68 # Dial tone detection (440hz + 350hz)
	69 #
	70 if(fcnt[440] > 1.0 and fcnt[350] > 1.0)
	71 @line_type = 'dialtone'
	72 raise Completed
	73 end
	74
	75 #
	76 # To use additional heuristics, add new scripts to this directory
	77 # named XX.myscript.rb, where XX is a two digit number less than
	78 # 99 and greater than 01.
	79 #
	80 #