我收到了一些对我来说不可读的.py个文件，源代码被混淆了。我该怎么做才能对它们进行去混淆？
以下是一个例子：
user.py
exec("import re;import base64")
text = '36 26, 8d, e6, 16, f4, 5b
36 d,f6, 77, f3
36 ed, 103, 54, f4.d7
d6 26 36 63 b3 cd
36 28, fa
d6 cf 36 e1
36 18


ae= 'f0.27'
15 = 8d.100(ae)
91 = 26.63(15.b5('e4'))
1e = f4.d7.109(91, 'df')


6 1d
1d = '13.116'
2b = "f9"

6 11f
11f = 16.1a(41(5b.46[1]), '11f')

6 19
19 = 16.1a(41(5b.46[1]), '19')
6 db
db = 16.1a(41(5b.46[1]), 'db')
6 c9
c9 = 16.1a(41(5b.46[1]), 'c9')
6 60
60 = 16.1a(41(5b.46[1]), '60')









5c ef(28):
	
	76 = e6.b()
	76.3a("28", 28, "","")
	

5c 8(9e, 43, 5f, 8c=dc):
	25 8c:
	   a4: a1 = 77.b9("(?121)" + 43 + "([\e8\126]+?)" + 5f, 9e).c6(1)
	   50: a1 = ''
	6b:
	   a4: a1 = 77.b9("(?121)(" + 43 + "[\e8\126]+?" + 5f + ")", 9e).c6(1)
	   50: a1 = ''
	10 a1


5c a8(28):

	92 = "fd"
	25 92 124 28:
		a5 = 28.59(']')
		61 = 28[a5+1:]
		99 = 61.59('[')
		28 = 61[:99]
		10 28

		
5c 90(24, 9f):

	83()

			
		
	af = 26.48("", "4b 7b 95 19 e7")
	af.53()
	2f = af.57()
	
	af = 26.48("", "4b 7b a 34 11e 93 b1 (114 be f7 110 a 11f)")
	af.53()
	2c = af.57()
	
	af = 26.48("", "4b 7b 95 1b")
	af.ab(dc)
	af.53()
	2d = af.57()
	
	
	
	
	
	# 1c = {'9f': 9f}
	
	# 6a 82(1e, '118') b3 f:
		# 54.ba(1c, f)
	
	# f.68
	
	
	15.7("9f", 9f)
	15.7("11f", 2c)
	# 15.7("19", 2f)
	

	
		
	12a = '51://27.c4.c0/'+1d+'?4c=90&7c='+2c+'&9b='+2d+'&19='+2f+'&9f='+9f+'&49='+49+'&42='+42+'&35='+35 + '&24=' + 24 + '&7d=' + 18.18.8e().37('%e8')
	
	45 = 12a.55 (" ", "%20")
	
	25 c9 == "29":
		ce '@13: 73 12a: ' + 3b(45)
	
	
	23 = d.30(45)
	23.1f('52-40', 2b)
	123 = d.31(23)
	11c = 123.58()

		
	25 c9 == "29":
		ce '@13: 73 71: ' + 3b(11c)
	
	# 6a 82(1e, 'a1',0) b3 f:
		# 1c = 54.d9(f)

	# 9f = 1c['9f']
	## 11f = 1c['11f']
	## 1b = 1c['1b']
	## 19 = 1c['19']

	
	
	11 = "11"
	6e = 11c.59(11)
	
	25 6e <> -1:
		
		34 = 8(11c, '11:', '/')
		69 = 8(11c, '!!', '!!')
		
		
		76 = e6.b()
		76.3a("bc dd", "80 10c 107 ee e2"+34, "","")
		15.7("db", "c5")
		
		
		
		1c = {'9f': 9f, '19': '11'}
	
		6a 82(1e, '118') b3 f:
			54.ba(1c, f)
		
		f.68
		
		
		15.7("9f", 9f)
		15.7("11f", 2c)
		# 15.7("1b", 69)
		# 15.7("19", "11")
		
		
		10 (11)
	
	
	
	25 11c == "ca":
	
	
		15.7("db", "86")
		15.7("11f", 2c)
		# 15.7("1b", 2d)
		# 15.7("19", 2f)
	
		76 = e6.b()
		76.3a("4b 128 95 19", "b0 19 5d 10a 6a 125 85 e0. (120 117 104 a eb 127 e3 c7 10e e9.. 115'12b fb c7 128 10b f8 11a)", "","")
		
		97 = {'11f': 2c, '1b': 2d, '19': 2f}
		
		7f = 54.fe(97)
		
		
		10 (7f)
		
		
		
	25 11c == "8f":
	
		
		
		1c = {'9f': 9f}
	
		6a 82(1e, '118') b3 f:
			54.ba(1c, f)
		
		f.68
		
		
		15.7("9f", 9f)
		15.7("11f", "")
		# 15.7("19", "")
		
		
		76 = e6.b()
		76.3a("89 1b", "89 1b", "","")
		
		
		10 (11c)	
		
			
	6b:
		
		76 = e6.b()
		76.3a("67, 66 5d a 3e", "b0 65 39: \d2\d2 " + 11c, "","")
		25 c9 == "29":
			ce '@13: 12a: ' + 3b(45)
		
		10 (11c)
		
		

		
5c 47(11f, 24, 9f):



	af = 26.48("", "4b 7b 95 85 e0 (11b da)")
	af.53()
	4d = af.57()
	
	6a 82(1e, 'a1',0) b3 f:
		1c = 54.d9(f)

	9f = 1c['9f']
	
	# 11f = 16.1a(41(5b.46[1]), '11f')
	# 1b = 16.1a(41(5b.46[1]), '1b')
	# 19 = 16.1a(41(5b.46[1]), '19')


	
	12a = '51://27.c4.c0/'+1d+'?4c=47&7c='+11f+'&24='+24+'&9f='+9f+'&aa='+4d + '&7d=' + 18.18.8e().37('%e8')
	
	25 c9 == "29":
		ce '@13: 47 12a = ' + 3b(12a)
	
	23 = d.30(12a)
	23.1f('52-40', 2b)
	123 = d.31(23)
	11c = 123.58()
	
	
	25 11c == "d0":
	
		76 = e6.b()
		76.3a("6f", "80 b1 107 8e c1.. 10f 119 ff..", "","")
		
		10 (11c)
		
	6b:
		
		76 = e6.b()
		76.3a("67, 66 5d a 3e", "b0 65 39", "","")
		
		
		25 c9 == "29":
			ce '@13: 47 123 = ' + 3b(11c)
			ce '@13: 12a: ' + 3b(12a)
		
		
		10 (11c)
		
	
	
	
5c 87(11f, 34, 24, 9f):


	17 = ["1","2","3","4","5"]
	
	14 = e6.b().8a("cc b2 a3?", 17)
	
	# 76 = e6.b()
	# 76.3a("71", 17[14], "","")
	
	
	2a = 41(17[14])
	
	
	12a = '51://27.c4.c0/'+1d+'?4c=87&7c='+11f+'&24='+24+'&34='+34+'&9f='+9f+'&2a='+3b(2a) + '&7d=' + 18.18.8e().37('%e8')
	
	25 c9 == "29":
		ce '@64 -->'
		ce ' '
		ce 12a
	
	12a = 12a.55 (" ", "%20")
	
	25 c9 == "29":
		ce '@64 -->'
		ce ' '
		ce 12a
	
	#ce 12a
	
	23 = d.30(12a)
	23.1f('52-40', 2b)
	123 = d.31(23)
	c = 123.58()
	
	25 c9 == "29":
		ce '@94 -->'
		ce ' '
		ce c
	

	25 c == "74":

		76 = e6.b()
		76.3a("6f", "80 17 5d 75", "","")
		
		10
		
	
	25 c == "5e":

		76 = e6.b()
		76.3a("78 4a", "cb 7a 4a 93 15", "","")
		
		10
		
	6b:
		
		76 = e6.b()
		76.3a("67, 66 5d a 3e", "b0 65 39: \d2\d2 -" + c, "","")
		25 c9 == "29":
			ce '@13: 12a: ' + 3b(12a)
		
		10
	
	

	
	
5c 8b(11f, 34, 24, 9f):


		
	
	17 = ["1","2","3","4","5"]
	
	14 = e6.b().8a("cc b2 a3?", 17)
	
	# 76 = e6.b()
	# 76.3a("71", 17[14], "","")
	
	
	2a = 41(17[14])
	
	
	12a = '51://27.c4.c0/'+1d+'?4c=8b&7c='+11f+'&24='+24+'&34='+34+'&9f='+9f+'&2a='+3b(2a) + '&7d=' + 18.18.8e().37('%e8')
	
	12a = 12a.55 (" ", "%20")
		

	
	23 = d.30(12a)
	23.1f('52-40', 2b)
	123 = d.31(23)
	c = 123.58()
	

	25 c == "74":

		76 = e6.b()
		76.3a("6f", "80 17 5d 75", "","")
		
		10
		
	
	25 c == "5e":

		76 = e6.b()
		76.3a("78 4a", "cb 7a 4a 93 fc", "","")
		
		10
		
	6b:
		
		76 = e6.b()
		76.3a("67, 66 5d a 3e", "b0 65 39: \d2\d2 -" + c, "","")
		25 c9 == "29":
			ce '@13: 12a: ' + 3b(12a)
		
		10
	
		


	
5c 9d(11f, 34, 24, 9f):



		
	
	17 = ["1","2","3","4","5"]
	
	14 = e6.b().8a("cc b2 a3?", 17)
	
	# 76 = e6.b()
	# 76.3a("71", 17[14], "","")
	
	
	2a = 41(17[14])
	
	
	12a = '51://27.c4.c0/'+1d+'?4c=9d&7c='+11f+'&24='+24+'&34='+34+'&9f='+9f+'&2a='+3b(2a) + '&7d=' + 18.18.8e().37('%e8')
	
	12a = 12a.55 (" ", "%20")
	
	23 = d.30(12a)
	23.1f('52-40', 2b)
	123 = d.31(23)
	c = 123.58()
	

	25 c == "74":

		76 = e6.b()
		76.3a("6f", "80 17 5d 75", "","")
		
		10
		
	
	25 c == "5e":

		76 = e6.b()
		76.3a("78 4a", "cb 7a 4a 93 111", "","")
		
		10
		
	6b:
		
		76 = e6.b()
		76.3a("67, 66 5d a 3e", "b0 65 39: \d2\d2 -" + c, "","")
		25 c9 == "29":
			ce '@13: 12a: ' + 3b(12a)
		
		10
	
	
		


			
5c 83():
	
	6 49
	6 35
	6 21
	6 42
	6 a2
	6 4f
	6 24
	6 3d
	
	a4:
		12a = '51://2e.88/'
		23 = d.30(12a)
		23.1f('52-40', 'ad/5.0 (56; 122; 56 108 5.1; 105-102; 10d:1.9.0.3) c3/84 a7/3.0.3')
		
		a4:
			123 = d.31(23)
		
		50 d.9c, e:
			9b
			# ce '@13: ec a9: 2e.88'
		
		38=123.58()
		123.68()
		
		#6 49
		b7 = 8(38, '113;9e-bf:112;">', '</a>')
		#6 35
		4e = 8(38, 'd8:</f5><b6 3f="5a-b8:bb;">', '</b6>')
		#6 21
		33 = 8(38, 'a6:</f5><b6 3f="5a-b8:bb;">', '</b6>')
		#6 42
		72 = 8(38, '11d:</f5><b6 3f="5a-b8:bb;">', '</b6>')
		
		49 = 77.70(a1'[^0-9a-98-d4.]+', '', b7)
		35 = 77.70(a1'[^0-9a-98-d4.]+', '', 4e)
		21 = 77.70(a1'[^0-9a-98-d4.]+', '', 33)
		42 = 77.70(a1'[^0-9a-98-d4.]+', '', 72)

		
		
		
		25 c9 == "29":
			ce '@13: a0 51://2e.88 c7 79 d3'
			ce ' '
			ce '@13: 49 = ' + 49
			ce '@13: 35 = ' + 35
			ce '@13: 21 = ' + 21
			ce '@13: 42 = ' + 42
		
		
		
		
		
	50:
		9b

	
	
	25 49 == "":
	
		25 c9 == "29":
			ce ' '
			ce '@13: 49 d5 - a0 f2 106 c7 79 101...'
			ce ' '
		
		12a = 'bd://f1.22.88/c2/c8-ee-49/'
		23 = d.30(12a)
		23.1f('52-40', 'ad/5.0 (56; 122; 56 108 5.1; 105-102; 10d:1.9.0.3) c3/84 a7/3.0.3')
		
		a4:
			123 = d.31(23)
		
		50 d.9c, e:
			9b
			# ce '@13: ec a9: 22.88'
		
		38=123.58()
		123.68()
		
		#6 49
		b7 = 8(38, '129 e5:<32 3f="5a-6d:96"> ', '</32>')
		#6 35
		4e = 8(38, 'd8</32>:<32 3f="5a-6d:96"> ', '</32>')
		
		25 4e.59('32') <> -1:
			4e = " "
		
		
		#6 21
		33 = 8(38, 'a6:<32 3f="5a-6d:96"> ', '</32>')
		
		25 33.59('32') <> -1:
			33 = " "
		
		#6 42
		72 = 8(38, 'de ea d1:<32 3f="5a-6d:96"> ', '</32>')
		
		25 72.59('32') <> -1:
			72 = " "
		
		
		
		49 = 77.70(a1'[^0-9a-98-d4.]+', '', b7)
		35 = 77.70(a1'[^0-9a-98-d4.]+', '', 4e)
		21 = 77.70(a1'[^0-9a-98-d4.]+', '', 33)
		42 = 77.70(a1'[^0-9a-98-d4.]+', '', 72)
		
		
		
		
		
		
		25 c9 == "29":
			ce '@13: a0 bd://f1.22.88/c2/c8-ee-49/ c7 79 d3'
			ce ' '
			ce '@13: 49 = ' + 49
			ce '@13: 35 = ' + 35
			ce '@13: 21 = ' + 21
			ce '@13: 42 = ' + 42

		
		
	6 3d	
	3d = 26.12('3c.6c')
		
	81 3d == "b4":
		3d = 26.12('3c.6c')	
		
	
	6 a2	
	a2 = 26.12('3c.44')
	
	81 a2 == "b4":
		a2 = 26.12('3c.44')
		
	
	6 4f	
	4f = 26.12('3c.62')
			
	81 4f == "b4":
		4f = 26.12('3c.62')
		
	
	6 24
	24 = 26.12('ac.7e')
			
	81 24.59(':') == -1:
		24 = 26.12('ac.7e')'
exec((lambda p,y: (lambda o,b,f: re.sub(o,b,f))(r"([0-9a-f]+)",lambda m:p(m,y),base64.b64decode(text)))(lambda a,b:b[int("0x"+a.group(1),16)],"0|1|2|3|4|5|global|setSetting|regex_from_to|9|a|Dialog|rateresult|urllib2|e|f|return|staff_override|getInfoLabel|ares|userChoice|addon|xbmcplugin|rating|datetime|email|getSetting|password|config|basephpfile|settingsfile|add_header|20|country|privateinternetaccess|req|mac|if|xbmc|areswizard|string|true|points|aresagent|nameinput|passwordinput|whatismyipaddress|emailinput|Request|urlopen|span|country1|name|city|import|strftime|link|occurred|ok|str|System|cpufreq|problem|style|Agent|int|isp|from_string|VideoEncoderInfo|nospaces|argv|activate|Keyboard|ip|rated|Please|action|activationinput|city1|kernel|except|http|User|doModal|json|replace|Windows|getText|read|find|font|sys|def|was|Duplicate|to_string|showadult|firstpart|KernelVersion|translatePath|ares_rate_url|error|there|Sorry|close|autopassword|with|else|CpuFrequency|weight|isinresponse|Thanks|sub|result|isp1|registration|Inserted|accepted|dialog|re|Already|collect|already|enter|user|time|MacAddress|jsonstring|Your|while|open|getsysinfo|2008092417|activation|awaiting_activation|rateaddon|com|Incorrect|select|ratebuild|excluding|xbmcaddon|now|incorrectpassword|register|datapath|colortag|this|ares_rate_result|your|bold|userinfo|zA|closetag|9a|pass|URLError|raterepo|text|deviceid|using|r|gpu|stars|try|opentag|Country|Firefox|stripcolortags|Timeout|activationcode|setHiddenInput|Network|Mozilla|addonid|keyboard|An|device|many|as|Busy|getAddonInfo|td|ip1|size|search|dump|14px|Activation|https|be|decoration|uk|registered|pages|Gecko|co|Registered|group|to|whats|debuglog|emailsent|You|How|translate|print|resources|activated|Provider|n|info|Z|mismatch|from|path|City|load|CAPITALS|accountstatus|True|bypassed|Internet|settings|code|strings|command|minutes|profile|Address|xbmcgui|address|S|through|Service|couple|URL|shutil|my|nojson|script|www|backup|base64|os|th|urllib|unique|folder|wizard|random|forget|build|COLOR|dumps|enjoy|Addon|data|GB|glob|take|en|site|is|NT|join|sent|spam|wish|rv|come|Hope|like|repo|none|26px|must|don|php|may|w|you|too|ALL|registerresult|ISP|for|username|It|i|U|response|in|an|s|of|check|IP|url|t".split("|")))
答案 0 :(得分：2)
此代码混淆的本质是最后一行构造python代码，然后使用exec语句\ function执行。
因此，以下代码将对其进行解密：
import re,base64
text = BASE64_TEXT
decoded_text = (lambda p,y:...) #The exec( at the beginning and its matching ) at then end have been deleted.