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try: |
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from urlparse import parse_qs |
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except ImportError: # python3 |
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from urllib.parse import parse_qs |
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5
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6
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from flask import Blueprint, render_template, request, redirect, flash |
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8
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from spike.model.naxsi_rules import NaxsiRules |
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9
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10
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sandbox = Blueprint('sandbox', __name__) |
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11
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12
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13
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@sandbox.route("/", methods=["GET"]) |
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def index(): |
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return render_template("misc/sandbox.html") |
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17
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18
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@sandbox.route("/rule", methods=["GET", "POST"]) |
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def rule(): |
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if request.method == 'GET' or not request.form.get("rule", ''): |
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return render_template("misc/sandbox.html") |
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22
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23
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_textual_rule = request.form["rule"] |
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24
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_rule = NaxsiRules() |
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_rule.parse_rule(_textual_rule) |
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27
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if 'visualise_rule' in request.form: |
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28
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if _rule.detection.startswith('rx:'): |
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return redirect('https://regexper.com/#' + _rule.detection[3:]) |
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elif 'explain_rule' in request.form: |
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return render_template("misc/sandbox.html", rule_explaination=_rule.explain(), rule=_rule) |
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32
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33
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if _rule.error: |
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flash("ERROR: {0}".format(",".join(_rule.error))) |
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if _rule.warnings: |
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flash("WARNINGS: {0}".format(",".join(_rule.warnings)), 'warning') |
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return render_template("misc/sandbox.html") |
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39
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40
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@sandbox.route("/explain_rule/", methods=["GET", "POST"]) |
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def explain_rule(): |
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42
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rule_get = request.args.get('rule', '') |
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43
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rule_post = request.form.get("rule", '') |
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44
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if rule_get.isdigit(): # explain a rule by id |
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45
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_rule = NaxsiRules.query.filter(NaxsiRules.sid == rule_get).first() |
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46
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if _rule is None: |
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flash('Not rule with id %s' % rule_get) |
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48
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return redirect("/sandbox/") |
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49
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elif rule_get: |
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50
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flash('Please provide a numeric id') |
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51
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return redirect("/sandbox/") |
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52
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elif not rule_post: |
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53
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flash('Please provide a rule') |
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54
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return redirect("/sandbox/") |
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55
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else: |
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56
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_rule = NaxsiRules() |
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57
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_rule.parse_rule(rule_post) |
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58
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59
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return render_template("misc/sandbox.html", rule_explaination=_rule.explain(), rule=_rule) |
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60
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61
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62
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@sandbox.route('/explain_nxlog/', methods=["POST"]) |
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63
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def explain_nxlog(): |
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64
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nxlog = request.form.get("nxlog", '') |
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if not nxlog: |
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return redirect("/sandbox/") |
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67
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68
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start = nxlog.find("ip=") |
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69
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if start < 0: |
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70
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flash('{} is an invalid extlog, string "ip=" not found.'.format(nxlog)) |
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return redirect("/sandbox/") |
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72
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73
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end = nxlog.find(", ") |
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74
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if end < 0: |
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flash('{} is an invalid extlog, string "," not found.'.format(nxlog)) |
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76
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return redirect("/sandbox/") |
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77
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78
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# Flatten the dict, since parse_qs is a bit annoying |
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79
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nxdic = parse_qs(nxlog[start:end]) |
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80
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for key, value in nxdic.items(): |
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81
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nxdic[key] = value[0] |
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82
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83
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explain = "Peer <strong>{}</strong> performed a request to <strong>{}</strong> on URI <strong>{}</strong> ".format( |
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84
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nxdic['ip'], nxdic['server'], nxdic['uri']) |
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85
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86
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scores = list() |
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87
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cpt = 0 |
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88
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while "cscore{}".format(cpt) in nxdic: |
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89
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cscore = "cscore{}".format(cpt) |
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90
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score = "score{}".format(cpt) |
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91
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scores.append("that reached a <strong>{}</strong> score of <strong>{}</strong> ".format( |
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92
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nxdic[cscore], nxdic[score])) |
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93
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cpt += 1 |
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94
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explain += ' and '.join(scores) |
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95
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96
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cpt = 0 |
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97
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named = list() |
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98
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while "id{}".format(cpt) in nxdic: |
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99
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_id = "id{}".format(cpt) |
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100
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_var_name = "var_name{}".format(cpt) |
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101
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_zone = "zone{}".format(cpt) |
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102
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if "var_name{}".format(cpt) in nxdic: |
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103
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named.append("id <strong>{}</strong> in var named <strong>{}</strong> of zone <strong>{}</strong>".format( |
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104
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nxdic[_id], nxdic[_var_name], nxdic[_zone])) |
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105
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else: |
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106
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named.append("id <strong>{}</strong> in zone <strong>{}</strong>".format(nxdic[_id], nxdic[_zone])) |
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107
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cpt += 1 |
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108
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explain += ' and '.join(named) |
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109
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110
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return render_template("misc/sandbox.html", nxlog_explaination=explain, nxlog=nxlog) |
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111
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nbs-system /
spike
This check looks for calls to members that are non-existent. These calls will fail.
The member could have been renamed or removed.