Python脚本实现Web漏洞扫描工具_python

这是去年毕设做的一个Web漏洞扫描小工具，主要针对简单的SQL注入漏洞、SQL盲注和XSS漏洞，代码是看过github外国大神（听说是SMAP的编写者之一）的两个小工具源码，根据里面的思路自己写的。以下是使用说明和源代码。

一、使用说明：

1.运行环境：

Linux命令行界面+Python2.7

2.程序源码：

Vim scanner//建立一个名为scanner的文件

Chmod a+xscanner//修改文件权限为可执行的

3.运行程序：

Python scanner//运行文件

若没有携带目标URL信息，界面输出帮助信息，提醒可以可输入的参数。

参数包括：

--h 输出帮助信息
--url 扫描的URL
--data POST请求方法的参数
--cookie HTTP请求头Cookie值
--user-agent HTTP请求头User-Agent值
--random-agent 是否使用浏览器伪装
--referer 目标URL的上一层界面
--proxy HTTP请求头代理值

例如扫描“http://127.0.0.1/dvwa/vulnerabilities/sqli/?id=&Submit=Submit”

Python scanner--url="http://127.0.0.1/dvwa/vulnerabilities/sqli/?id=&Submit=Submit"--cookie="security=low;PHPSESSID=menntb9b2isj7qha739ihg9of1"

输出扫描结果如下：

结果显示：

存在XSS漏洞，漏洞匹配漏洞特征库“”>.XSS.<””，属于嵌入标签外的类型。

存在SQL注入漏洞，目标网站服务器的数据库类型为MySQL。

存在BLIND SQL注入漏洞。

二、源代码：

代码验证过可以运行，我个人推荐用DVWA测试吧。

#!-*-coding:UTF-8-*-
import optparse, random, re, string, urllib, urllib2,difflib,itertools,httplib
NAME = "Scanner for RXSS and SQLI"
AUTHOR = "Lishuze"
PREFIXES = (" ", ") ", "' ", "') ", "\"")
SUFFIXES = ("", "-- -", "#")
BOOLEAN_TESTS = ("AND %d=%d", "OR NOT (%d=%d)")
TAMPER_SQL_CHAR_POOL = ('(', ')', '\'', '"''"')
TAMPER_XSS_CHAR_POOL = ('\'', '"', '>', '<', ';')
GET, POST = "GET", "POST"
COOKIE, UA, REFERER = "Cookie", "User-Agent", "Referer"
TEXT, HTTPCODE, TITLE, HTML = xrange(4)
_headers = {}
USER_AGENTS = (
"Mozilla/5.0 (X11; Linux i686; rv:38.0) Gecko/20100101 Firefox/38.0",
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36",
"Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_7_0; en-US) AppleWebKit/534.21 (KHTML, like Gecko) Chrome/11.0.678.0 Safari/534.21",
)
XSS_PATTERNS = (
(r"<!--[^>]*%(chars)s|%(chars)s[^<]*-->","\"<!--.'.xss.'.-->\", inside the comment", None),
(r"(?s)<script[^>]*>[^<]*?'[^<']*%(chars)s|%(chars)s[^<']*'[^<]*</script>","\"<script>.'.xss.'.</script>\", enclosed by <script> tags, inside single-quotes", None),
(r'(?s)<script[^>]*>[^<]*?"[^<"]*%(chars)s|%(chars)s[^<"]*"[^<]*</script>',"'<script>.\".xss.\".</script>', enclosed by <script> tags, inside double-quotes", None),
(r"(?s)<script[^>]*>[^<]*?%(chars)s|%(chars)s[^<]*</script>","\"<script>.xss.</script>\", enclosed by <script> tags", None),
(r">[^<]*%(chars)s[^<]*(<|\Z)", "\">.xss.<\", outside of tags", r"(?s)<script.+?</script>|<!--.*?-->"),
(r"<[^>]*'[^>']*%(chars)s[^>']*'[^>]*>", "\"<.'.xss.'.>\", inside the tag, inside single-quotes", r"(?s)<script.+?</script>|<!--.*?-->"),
(r'<[^>]*"[^>"]*%(chars)s[^>"]*"[^>]*>', "'<.\".xss.\".>', inside the tag, inside double-quotes", r"(?s)<script.+?</script>|<!--.*?-->"),
(r"<[^>]*%(chars)s[^>]*>", "\"<.xss.>\", inside the tag, outside of quotes", r"(?s)<script.+?</script>|<!--.*?-->")
)
DBMS_ERRORS = {
"MySQL": (r"SQL syntax.*MySQL", r"Warning.*mysql_.*", r"valid MySQL result", r"MySqlClient\."),
"Microsoft SQL Server": (r"Driver.* SQL[\-\_\ ]*Server", r"OLE DB.* SQL Server", r"(\W|\A)SQL Server.*Driver", r"Warning.*mssql_.*", r"(\W|\A)SQL Server.*[0-9a-fA-F]{8}", r"(?s)Exception.*\WSystem\.Data\.SqlClient\.", r"(?s)Exception.*\WRoadhouse\.Cms\."),
"Microsoft Access": (r"Microsoft Access Driver", r"JET Database Engine", r"Access Database Engine"),
"Oracle": (r"ORA-[0-9][0-9][0-9][0-9]", r"Oracle error", r"Oracle.*Driver", r"Warning.*\Woci_.*", r"Warning.*\Wora_.*")
}
def _retrieve_content_xss(url, data=None):
surl=""
for i in xrange(len(url)):
if i > url.find('?'):
surl+=surl.join(url[i]).replace(' ',"%20")
else:
surl+=surl.join(url[i])
try:
req = urllib2.Request(surl, data, _headers)
retval = urllib2.urlopen(req, timeout=30).read()
except Exception, ex:
retval = getattr(ex, "message", "")
return retval or ""
def _retrieve_content_sql(url, data=None):
retval = {HTTPCODE: httplib.OK}
surl=""
for i in xrange(len(url)):
if i > url.find('?'):
surl+=surl.join(url[i]).replace(' ',"%20")
else:
surl+=surl.join(url[i])
try:
req = urllib2.Request(surl, data, _headers)
retval[HTML] = urllib2.urlopen(req, timeout=30).read()
except Exception, ex:
retval[HTTPCODE] = getattr(ex, "code", None)
retval[HTML] = getattr(ex, "message", "")
match = re.search(r"<title>(?P<result>[^<]+)</title>", retval[HTML], re.I)
retval[TITLE] = match.group("result") if match else None
retval[TEXT] = re.sub(r"(?si)<script.+?</script>|<!--.+?-->|<style.+?</style>|<[^>]+>|\s+", " ", retval[HTML])
return retval
def scan_page_xss(url, data=None):
print "Start scanning RXSS:\n"
retval, usable = False, False
url = re.sub(r"=(&|\Z)", "=1\g<1>", url) if url else url
data=re.sub(r"=(&|\Z)", "=1\g<1>", data) if data else data
try:
for phase in (GET, POST):
current = url if phase is GET else (data or "")
for match in re.finditer(r"((\A|[?&])(?P<parameter>[\w]+)=)(?P<value>[^&]+)", current):
found, usable = False, True
print "Scanning %s parameter '%s'" % (phase, match.group("parameter"))
prefix = ("".join(random.sample(string.ascii_lowercase, 5)))
suffix = ("".join(random.sample(string.ascii_lowercase, 5)))
if not found:
tampered = current.replace(match.group(0), "%s%s" % (match.group(0), urllib.quote("%s%s%s%s" % ("'", prefix, "".join(random.sample(TAMPER_XSS_CHAR_POOL, len(TAMPER_XSS_CHAR_POOL))), suffix))))
content = _retrieve_content_xss(tampered, data) if phase is GET else _retrieve_content_xss(url, tampered)
for sample in re.finditer("%s([^ ]+?)%s" % (prefix, suffix), content, re.I):
#print sample.group()
for regex, info, content_removal_regex in XSS_PATTERNS:
context = re.search(regex % {"chars": re.escape(sample.group(0))}, re.sub(content_removal_regex or "", "", content), re.I)
if context and not found and sample.group(1).strip():
print "!!!%s parameter '%s' appears to be XSS vulnerable (%s)" % (phase, match.group("parameter"), info)
found = retval = True
if not usable:
print " (x) no usable GET/POST parameters found"
except KeyboardInterrupt:
print "\r (x) Ctrl-C pressed"
return retval
def scan_page_sql(url, data=None):
print "Start scanning SQLI:\n"
retval, usable = False, False
url = re.sub(r"=(&|\Z)", "=1\g<1>", url) if url else url
data=re.sub(r"=(&|\Z)", "=1\g<1>", data) if data else data
try:
for phase in (GET, POST):
current = url if phase is GET else (data or "")
for match in re.finditer(r"((\A|[?&])(?P<parameter>\w+)=)(?P<value>[^&]+)", current):
vulnerable, usable = False, True
original=None
print "Scanning %s parameter '%s'" % (phase, match.group("parameter"))
tampered = current.replace(match.group(0), "%s%s" % (match.group(0), urllib.quote("".join(random.sample(TAMPER_SQL_CHAR_POOL, len(TAMPER_SQL_CHAR_POOL))))))
content = _retrieve_content_sql(tampered, data) if phase is GET else _retrieve_content_sql(url, tampered)
for (dbms, regex) in ((dbms, regex) for dbms in DBMS_ERRORS for regex in DBMS_ERRORS[dbms]):
if not vulnerable and re.search(regex, content[HTML], re.I):
print "!!!%s parameter '%s' could be error SQLi vulnerable (%s)" % (phase, match.group("parameter"), dbms)
retval = vulnerable = True
vulnerable = False
original = original or (_retrieve_content_sql(current, data) if phase is GET else _retrieve_content_sql(url, current))
for prefix,boolean,suffix in itertools.product(PREFIXES,BOOLEAN_TESTS,SUFFIXES):
if not vulnerable:
template = "%s%s%s" % (prefix,boolean, suffix)
payloads = dict((_, current.replace(match.group(0), "%s%s" % (match.group(0), urllib.quote(template % (1 if _ else 2, 1), safe='%')))) for _ in (True, False))
contents = dict((_, _retrieve_content_sql(payloads[_], data) if phase is GET else _retrieve_content_sql(url, payloads[_])) for _ in (False, True))
if all(_[HTTPCODE] for _ in (original, contents[True], contents[False])) and (any(original[_] == contents[True][_] != contents[False][_] for _ in (HTTPCODE, TITLE))):
vulnerable = True
else:
ratios = dict((_, difflib.SequenceMatcher(None, original[TEXT], contents[_][TEXT]).quick_ratio()) for _ in (True, False))
vulnerable = all(ratios.values()) and ratios[True] > 0.95 and ratios[False] < 0.95
if vulnerable:
print "!!!%s parameter '%s' could be error Blind SQLi vulnerable" % (phase, match.group("parameter"))
retval = True
if not usable:
print " (x) no usable GET/POST parameters found"
except KeyboardInterrupt:
print "\r (x) Ctrl-C pressed"
return retval
def init_options(proxy=None, cookie=None, ua=None, referer=None):
global _headers
_headers = dict(filter(lambda _: _[1], ((COOKIE, cookie), (UA, ua or NAME), (REFERER, referer))))
urllib2.install_opener(urllib2.build_opener(urllib2.ProxyHandler({'http': proxy})) if proxy else None)
if __name__ == "__main__":
print "----------------------------------------------------------------------------------"
print "%s\nBy:%s" % (NAME, AUTHOR)
print "----------------------------------------------------------------------------------"
parser = optparse.OptionParser()
parser.add_option("--url", dest="url", help="Target URL")
parser.add_option("--data", dest="data", help="POST data")
parser.add_option("--cookie", dest="cookie", help="HTTP Cookie header value")
parser.add_option("--user-agent", dest="ua", help="HTTP User-Agent header value")
parser.add_option("--random-agent", dest="randomAgent", action="store_true", help="Use randomly selected HTTP User-Agent header value")
parser.add_option("--referer", dest="referer", help="HTTP Referer header value")
parser.add_option("--proxy", dest="proxy", help="HTTP proxy address")
options, _ = parser.parse_args()
if options.url:
init_options(options.proxy, options.cookie, options.ua if not options.randomAgent else random.choice(USER_AGENTS), options.referer)
result_xss= scan_page_xss(options.url if options.url.startswith("http") else "http://%s" % options.url, options.data)
print "\nScan results: %s vulnerabilities found" % ("possible" if result_xss else "no")
print "----------------------------------------------------------------------------------"
result_sql = scan_page_sql(options.url if options.url.startswith("http") else "http://%s" % options.url, options.data)
print "\nScan results: %s vulnerabilities found" % ("possible" if result_sql else "no")
print "----------------------------------------------------------------------------------"
else:
parser.print_help()

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