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#!/usr/bin/env python
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'''
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Copyright (C) 2020, WAFW00F Developers.
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See the LICENSE file for copying permission.
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'''
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NAME = 'Barracuda (Barracuda Networks)'
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def is_waf(self):
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# 定义用于检测是否存在特定 Web 应用防火墙（WAF）的方案列表。
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schemes = [
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# 检查 Cookie 是否匹配特定的正则表达式，可能是 Barracuda WAF 设置的特定会话 Cookie。
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self.matchCookie(r'^barra_counter_session='),
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# 检查另一个可能的 Barracuda WAF 设置的 Cookie。
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self.matchCookie(r'^BNI__BARRACUDA_LB_COOKIE='),
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# 检查可能的持久性 Cookie。
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self.matchCookie(r'^BNI_persistence='),
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# 检查更通用的以 'BN[IE]S_' 开头的 Cookie。
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self.matchCookie(r'^BN[IE]S_.*?='),
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# 检查响应内容中是否包含特定的字符串，即 'Barracuda.Networks'。
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self.matchContent(r'Barracuda.Networks')
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]
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# 如果方案列表中的任何一个方案为真，则认为检测到了 WAF。
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if any(i for i in schemes):
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return True
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else:
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return False
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