1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
| #!/usr/bin/env perl
# 言語: perl
# バージョン: 5.36以上
# 依存: Moo（cpanmでインストール）
use v5.36;
#--------------------------------------------------
# イベントクラス
#--------------------------------------------------
package IntrusionEvent;
use Moo;
has timestamp => (
is => 'ro',
required => 1,
);
has source_ip => (
is => 'ro',
required => 1,
);
has attack_type => (
is => 'ro',
required => 1,
);
#--------------------------------------------------
# Observer契約（Role）
#--------------------------------------------------
package IntrusionObserver;
use Moo::Role;
requires 'update';
#--------------------------------------------------
# 各種Observer
#--------------------------------------------------
package RadarLogObserver;
use Moo;
with 'IntrusionObserver';
sub update ($self, $event) {
say "[LOG] " . $event->timestamp;
say " Type: " . $event->attack_type;
say " From: " . $event->source_ip;
}
package ThreatScoreObserver;
use Moo;
with 'IntrusionObserver';
my %threat_scores = (
'SSH Brute Force' => 80,
'Port Scan' => 30,
'SQL Injection Attempt' => 90,
'XSS Attack' => 70,
'Directory Traversal' => 60,
);
has total_score => (
is => 'rw',
default => 0,
);
sub update ($self, $event) {
my $score = $threat_scores{$event->attack_type} // 50;
$self->total_score($self->total_score + $score);
say "[SCORE] +" . $score . " = " . $self->total_score . " total";
}
package RiskLevelObserver;
use Moo;
with 'IntrusionObserver';
my %risk_levels = (
'SSH Brute Force' => 'HIGH',
'Port Scan' => 'LOW',
'SQL Injection Attempt' => 'HIGH',
'XSS Attack' => 'MEDIUM',
'Directory Traversal' => 'MEDIUM',
);
sub update ($self, $event) {
my $level = $risk_levels{$event->attack_type} // 'MEDIUM';
my $bar = $level eq 'HIGH' ? '████████████████'
: $level eq 'MEDIUM' ? '████████████'
: '████████';
say "[RISK] $bar $level";
}
package AlertObserver;
use Moo;
with 'IntrusionObserver';
sub update ($self, $event) {
say "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!";
say "!!! ALERT: Intrusion Detected !!!";
say "!!! " . $event->attack_type . " from " . $event->source_ip;
say "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!";
}
#--------------------------------------------------
# 司令塔（Subject）
#--------------------------------------------------
package IntrusionHub;
use Moo;
has observers => (
is => 'ro',
default => sub { [] },
);
sub attach ($self, $observer) {
unless ($observer->does('IntrusionObserver')) {
die "Error: IntrusionObserverロールを実装していません";
}
push $self->observers->@*, $observer;
}
sub detach ($self, $observer) {
$self->observers->@* = grep { $_ != $observer } $self->observers->@*;
}
sub notify ($self, $event) {
for my $observer ($self->observers->@*) {
$observer->update($event);
}
}
#--------------------------------------------------
# メイン処理
#--------------------------------------------------
package main;
say "╔══════════════════════════════════════════════╗";
say "║ HONEYPOT INTRUSION RADAR - COMMAND CENTER ║";
say "╚══════════════════════════════════════════════╝";
say "";
# 司令塔を作成
my $hub = IntrusionHub->new;
# 常駐Observer
$hub->attach(RadarLogObserver->new);
$hub->attach(ThreatScoreObserver->new);
$hub->attach(RiskLevelObserver->new);
# 深夜帯用（今回はデモ用に常時ON）
my $alert = AlertObserver->new;
$hub->attach($alert);
# 侵入イベントをシミュレート
my @events = (
IntrusionEvent->new(
timestamp => '2026-01-18T02:15:33+09:00',
source_ip => '203.0.113.42',
attack_type => 'SSH Brute Force',
),
IntrusionEvent->new(
timestamp => '2026-01-18T02:17:45+09:00',
source_ip => '198.51.100.77',
attack_type => 'Port Scan',
),
IntrusionEvent->new(
timestamp => '2026-01-18T02:20:12+09:00',
source_ip => '192.0.2.123',
attack_type => 'SQL Injection Attempt',
),
);
for my $event (@events) {
say "──────────────────────────────────────────────";
$hub->notify($event);
say "";
}
say "──────────────────────────────────────────────";
say "[RADAR] All events processed.";
|
