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46253337eb
Phase 1 - 威胁检测引擎: - security/threat_detector.py: JNDI/SQL/XSS/路径遍历/命令注入检测 - security/constants.py: 威胁检测规则和评分常量 - 数据库表: threat_events, ip_risk_scores, user_risk_scores, ip_blacklist Phase 2 - 风险评分与黑名单: - security/risk_scorer.py: IP/用户风险评分引擎，支持分数衰减 - security/blacklist.py: 黑名单管理，自动封禁规则 Phase 3 - 响应策略: - security/honeypot.py: 蜜罐响应生成器 - security/response_handler.py: 渐进式响应策略 Phase 4 - 集成: - security/middleware.py: Flask安全中间件 - routes/admin_api/security.py: 管理后台安全仪表板API - 36个测试用例全部通过 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
98 lines
3.0 KiB
Python
98 lines
3.0 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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from __future__ import annotations
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import re
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# ==================== Threat Types ====================
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THREAT_TYPE_JNDI_INJECTION = "jndi_injection"
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THREAT_TYPE_NESTED_EXPRESSION = "nested_expression"
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THREAT_TYPE_SQL_INJECTION = "sql_injection"
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THREAT_TYPE_XSS = "xss"
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THREAT_TYPE_PATH_TRAVERSAL = "path_traversal"
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THREAT_TYPE_COMMAND_INJECTION = "command_injection"
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# ==================== Scores ====================
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SCORE_JNDI_DIRECT = 100
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SCORE_JNDI_OBFUSCATED = 100
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SCORE_NESTED_EXPRESSION = 80
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SCORE_SQL_INJECTION = 90
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SCORE_XSS = 70
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SCORE_PATH_TRAVERSAL = 60
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SCORE_COMMAND_INJECTION = 85
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# ==================== JNDI (Log4j) ====================
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#
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# - Direct: ${jndi:ldap://...} / ${jndi:rmi://...} => 100
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# - Obfuscated: ${${xxx:-j}${xxx:-n}...:ldap://...} => detect
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# - Nested expression: ${${...}} => 80
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JNDI_DIRECT_PATTERN = r"\$\{\s*jndi\s*:\s*(?:ldap|rmi)\s*://"
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# Common Log4j "default value" obfuscation variants:
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# ${${::-j}${::-n}${::-d}${::-i}:ldap://...}
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# ${${foo:-j}${bar:-n}${baz:-d}${qux:-i}:rmi://...}
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JNDI_OBFUSCATED_PATTERN = (
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r"\$\{\s*"
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r"(?:\$\{[^{}]{0,50}:-j\}|\$\{::-[jJ]\})\s*"
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r"(?:\$\{[^{}]{0,50}:-n\}|\$\{::-[nN]\})\s*"
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r"(?:\$\{[^{}]{0,50}:-d\}|\$\{::-[dD]\})\s*"
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r"(?:\$\{[^{}]{0,50}:-i\}|\$\{::-[iI]\})\s*"
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r":\s*(?:ldap|rmi)\s*://"
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)
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NESTED_EXPRESSION_PATTERN = r"\$\{\s*\$\{"
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# ==================== SQL Injection ====================
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SQLI_UNION_SELECT_PATTERN = r"\bunion\b\s+(?:all\s+)?\bselect\b"
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SQLI_OR_1_EQ_1_PATTERN = r"\bor\b\s+1\s*=\s*1\b"
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# ==================== XSS ====================
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XSS_SCRIPT_TAG_PATTERN = r"<\s*script\b"
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XSS_JS_PROTOCOL_PATTERN = r"javascript\s*:"
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XSS_INLINE_EVENT_HANDLER_PATTERN = r"\bon\w+\s*="
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# ==================== Path Traversal ====================
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PATH_TRAVERSAL_PATTERN = r"(?:\.\./|\.\.\\)+"
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# ==================== Command Injection ====================
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CMD_INJECTION_OPERATOR_WITH_CMD_PATTERN = (
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r"(?:;|&&|\|\||\|)\s*"
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r"(?:bash|sh|zsh|cmd|powershell|pwsh|curl|wget|nc|netcat|python|perl|ruby|php|node|cat|ls|id|whoami|uname|rm)\b"
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)
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CMD_INJECTION_SUBSHELL_PATTERN = r"(?:`[^`]{1,200}`|\$\([^)]{1,200}\))"
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# ==================== Compiled Regex ====================
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_FLAGS = re.IGNORECASE | re.MULTILINE
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JNDI_DIRECT_RE = re.compile(JNDI_DIRECT_PATTERN, _FLAGS)
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JNDI_OBFUSCATED_RE = re.compile(JNDI_OBFUSCATED_PATTERN, _FLAGS)
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NESTED_EXPRESSION_RE = re.compile(NESTED_EXPRESSION_PATTERN, _FLAGS)
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SQLI_UNION_SELECT_RE = re.compile(SQLI_UNION_SELECT_PATTERN, _FLAGS)
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SQLI_OR_1_EQ_1_RE = re.compile(SQLI_OR_1_EQ_1_PATTERN, _FLAGS)
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XSS_SCRIPT_TAG_RE = re.compile(XSS_SCRIPT_TAG_PATTERN, _FLAGS)
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XSS_JS_PROTOCOL_RE = re.compile(XSS_JS_PROTOCOL_PATTERN, _FLAGS)
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XSS_INLINE_EVENT_HANDLER_RE = re.compile(XSS_INLINE_EVENT_HANDLER_PATTERN, _FLAGS)
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PATH_TRAVERSAL_RE = re.compile(PATH_TRAVERSAL_PATTERN, _FLAGS)
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CMD_INJECTION_OPERATOR_WITH_CMD_RE = re.compile(CMD_INJECTION_OPERATOR_WITH_CMD_PATTERN, _FLAGS)
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CMD_INJECTION_SUBSHELL_RE = re.compile(CMD_INJECTION_SUBSHELL_PATTERN, _FLAGS)
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