mirror of https://github.com/CIRCL/AIL-framework
152 lines
4.6 KiB
Python
Executable File
152 lines
4.6 KiB
Python
Executable File
#!/usr/bin/env python2
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# -*-coding:UTF-8 -*
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"""
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Sql Injection module
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"""
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import time
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import string
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import urllib2
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import re
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from pubsublogger import publisher
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from Helper import Process
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from packages import Paste
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from pyfaup.faup import Faup
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# Config Var
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regex_injection = []
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word_injection = []
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word_injection_suspect = []
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# Classic atome injection
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regex_injection1 = "([[AND |OR ]+[\'|\"]?[0-9a-zA-Z]+[\'|\"]?=[\'|\"]?[0-9a-zA-Z]+[\'|\"]?])"
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regex_injection.append(regex_injection1)
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# Time-based attack
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regex_injection2 = ["SLEEP\([0-9]+", "BENCHMARK\([0-9]+", "WAIT FOR DELAY ", "WAITFOR DELAY"]
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regex_injection2 = re.compile('|'.join(regex_injection2))
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regex_injection.append(regex_injection2)
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# Interesting keyword
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word_injection1 = [" IF ", " ELSE ", " CASE ", " WHEN ", " END ", " UNION ", "SELECT ", " FROM ", " ORDER BY ", " WHERE ", " DELETE ", " DROP ", " UPDATE ", " EXEC "]
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word_injection.append(word_injection1)
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# Database special keywords
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word_injection2 = ["@@version", "POW(", "BITAND(", "SQUARE("]
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word_injection.append(word_injection2)
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# Html keywords
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word_injection3 = ["<script>"]
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word_injection.append(word_injection3)
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# Suspect char
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word_injection_suspect1 = ["\'", "\"", ";", "<", ">"]
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word_injection_suspect += word_injection_suspect1
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# Comment
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word_injection_suspect2 = ["--", "#", "/*"]
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word_injection_suspect += word_injection_suspect2
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def analyse(url, path):
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faup.decode(url)
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url_parsed = faup.get()
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resource_path = url_parsed['resource_path']
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query_string = url_parsed['query_string']
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result_path = 0
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result_query = 0
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if resource_path is not None:
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result_path = is_sql_injection(resource_path)
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if query_string is not None:
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result_query = is_sql_injection(query_string)
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if (result_path > 0) or (result_query > 0):
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paste = Paste.Paste(path)
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if (result_path > 1) or (result_query > 1):
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print "Detected SQL in URL: "
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print urllib2.unquote(url)
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to_print = 'SQLInjection;{};{};{};{};{}'.format(paste.p_source, paste.p_date, paste.p_name, "Detected SQL in URL", paste.p_path)
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publisher.warning(to_print)
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#Send to duplicate
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p.populate_set_out(path, 'Duplicate')
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#send to Browse_warning_paste
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p.populate_set_out('sqlinjection;{}'.format(path), 'BrowseWarningPaste')
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else:
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print "Potential SQL injection:"
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print urllib2.unquote(url)
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to_print = 'SQLInjection;{};{};{};{};{}'.format(paste.p_source, paste.p_date, paste.p_name, "Potential SQL injection", paste.p_path)
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publisher.info(to_print)
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# Try to detect if the url passed might be an sql injection by appliying the regex
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# defined above on it.
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def is_sql_injection(url_parsed):
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line = urllib2.unquote(url_parsed)
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line = string.upper(line)
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result = []
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result_suspect = []
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for regex in regex_injection:
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temp_res = re.findall(regex, line)
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if len(temp_res)>0:
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result.append(temp_res)
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for word_list in word_injection:
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for word in word_list:
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temp_res = string.find(line, string.upper(word))
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if temp_res!=-1:
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result.append(line[temp_res:temp_res+len(word)])
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for word in word_injection_suspect:
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temp_res = string.find(line, string.upper(word))
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if temp_res!=-1:
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result_suspect.append(line[temp_res:temp_res+len(word)])
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if len(result)>0:
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print result
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return 2
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elif len(result_suspect)>0:
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print result_suspect
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return 1
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else:
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return 0
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if __name__ == '__main__':
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# If you wish to use an other port of channel, do not forget to run a subscriber accordingly (see launch_logs.sh)
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# Port of the redis instance used by pubsublogger
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publisher.port = 6380
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# Script is the default channel used for the modules.
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publisher.channel = 'Script'
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# Section name in bin/packages/modules.cfg
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config_section = 'SQLInjectionDetection'
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# Setup the I/O queues
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p = Process(config_section)
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# Sent to the logging a description of the module
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publisher.info("Try to detect SQL injection")
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faup = Faup()
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# Endless loop getting messages from the input queue
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while True:
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# Get one message from the input queue
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message = p.get_from_set()
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if message is None:
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publisher.debug("{} queue is empty, waiting".format(config_section))
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time.sleep(10)
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continue
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else:
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# Do something with the message from the queue
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url, date, path = message.split()
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analyse(url, path)
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