repo_description: Malicious traffic detection system
repo_topics: attack-detection intrusion-detection malware network-monitoring python security sensor
code: #!/usr/bin/env python
  
  """
  Copyright (c) 2014-2026 Maltrail developers (https://github.com/stamparm/maltrail/)
  See the file 'LICENSE' for copying permission
  """
  
  import sys
  
  from thirdparty import six
  
  class _(type):
      def __getattr__(self, attr):
          return attr
  
  @six.add_metaclass(_)
  class TRAIL(object):
      pass
  
  if sys.version_info >= (3, 0):
      class BLOCK_MARKER:
          NOP = 0x00
          READ = 0x01
          WRITE = 0x02
          END = 0xff
  else:
      class BLOCK_MARKER:
          NOP = b'\x00'
          READ = b'\x01'
          WRITE = b'\x02'
          END = b'\xff'
  
  class PROTO:
      TCP = "TCP"
      UDP = "UDP"
      ICMP = "ICMP"
  
  class HTTP_HEADER:
      ACCEPT = "Accept"
      ACCEPT_CHARSET = "Accept-Charset"
      ACCEPT_ENCODING = "Accept-Encoding"
      ACCEPT_LANGUAGE = "Accept-Language"
      AUTHORIZATION = "Authorization"
      CACHE_CONTROL = "Cache-Control"
      CONNECTION = "Connection"
      CONTENT_ENCODING = "Content-Encoding"
      CONTENT_LENGTH = "Content-Length"
      CONTENT_RANGE = "Content-Range"
      CONTENT_TYPE = "Content-Type"
      CONTENT_SECURITY_POLICY = "Content-Security-Policy"
      COOKIE = "Cookie"
      EXPIRES = "Expires"
      HOST = "Host"
      IF_MODIFIED_SINCE = "If-Modified-Since"
      LAST_MODIFIED = "Last-Modified"
      LOCATION = "Location"
      PRAGMA = "Pragma"
      PROXY_AUTHORIZATION = "Proxy-Authorization"
      PROXY_CONNECTION = "Proxy-Connection"
      RANGE = "Range"
      REFERER = "Referer"
      SERVER = "Server"
      SET_COOKIE = "Set-Cookie"
      TRANSFER_ENCODING = "Transfer-Encoding"
      URI = "URI"
      USER_AGENT = "User-Agent"
      VIA = "Via"
      X_POWERED_BY = "X-Powered-By"
  
  class CACHE_TYPE:
      DOMAIN = 0
      USER_AGENT = 1
      PATH = 2
      POST_DATA = 3
      DOMAIN_WHITELISTED = 4
      LOCAL_PREFIX = 4
  
  class COLOR:
      BLUE = "\033[34m"
      BOLD_MAGENTA = "\033[35;1m"
      BOLD_GREEN = "\033[32;1m"
      BOLD_LIGHT_MAGENTA = "\033[95;1m"
      LIGHT_GRAY = "\033[37m"
      BOLD_RED = "\033[31;1m"
      BOLD_LIGHT_GRAY = "\033[37;1m"
      YELLOW = "\033[33m"
      DARK_GRAY = "\033[90m"
      BOLD_CYAN = "\033[36;1m"
      LIGHT_RED = "\033[91m"
      CYAN = "\033[36m"
      MAGENTA = "\033[35m"
      LIGHT_MAGENTA = "\033[95m"
      LIGHT_GREEN = "\033[92m"
      RESET = "\033[0m"
      BOLD_DARK_GRAY = "\033[90;1m"
      BOLD_LIGHT_YELLOW = "\033[93;1m"
      BOLD_LIGHT_RED = "\033[91;1m"
      BOLD_LIGHT_GREEN = "\033[92;1m"
      LIGHT_YELLOW = "\033[93m"
      BOLD_LIGHT_BLUE = "\033[94;1m"
      BOLD_LIGHT_CYAN = "\033[96;1m"
      LIGHT_BLUE = "\033[94m"
      BOLD_WHITE = "\033[97;1m"
      LIGHT_CYAN = "\033[96m"
      BLACK = "\033[30m"
      BOLD_YELLOW = "\033[33;1m"
      BOLD_BLUE = "\033[34;1m"
      GREEN = "\033[32m"
      WHITE = "\033[97m"
      BOLD_BLACK = "\033[30;1m"
      RED = "\033[31m"
      UNDERLINE = "\033[4m"
  
  class BACKGROUND:
      BLUE = "\033[44m"
      LIGHT_GRAY = "\033[47m"
      YELLOW = "\033[43m"
      DARK_GRAY = "\033[100m"
      LIGHT_RED = "\033[101m"
      CYAN = "\033[46m"
      MAGENTA = "\033[45m"
      LIGHT_MAGENTA = "\033[105m"
      LIGHT_GREEN = "\033[102m"
      RESET = "\033[0m"
      LIGHT_YELLOW = "\033[103m"
      LIGHT_BLUE = "\033[104m"
      LIGHT_CYAN = "\033[106m"
      BLACK = "\033[40m"
      GREEN = "\033[42m"
      WHITE = "\033[107m"
      RED = "\033[41m"
  
  class SEVERITY:
      NONE = "none"
      LOW = "low"
      MEDIUM = "medium"
      HIGH = "high"
      CRITICAL = "critical"
  