security_rust/protocol/
ssrf.rs

1// Copyright (c) 2026 erik <erik@erik.xyz> — https://erik.xyz
2
3use regex::Regex;
4use std::sync::LazyLock;
5
6use crate::{AttackCategory, DetectionResult, Detector, Severity};
7
8static PATTERNS: LazyLock<Vec<Regex>> = LazyLock::new(|| {
9    vec![
10        Regex::new(r"(?i)169\.254\.169\.254").unwrap(),
11        Regex::new(r"(?i)10\.\d{1,3}\.\d{1,3}\.\d{1,3}").unwrap(),
12        Regex::new(r"(?i)172\.(1[6-9]|2\d|3[01])\.\d{1,3}\.\d{1,3}").unwrap(),
13        Regex::new(r"(?i)192\.168\.\d{1,3}\.\d{1,3}").unwrap(),
14        Regex::new(r"(?i)127\.\d{1,3}\.\d{1,3}\.\d{1,3}").unwrap(),
15        Regex::new(r"(?i)\[::1\]").unwrap(),
16        Regex::new(r"(?i)0\.0\.0\.0").unwrap(),
17        Regex::new(r"(?i)gopher://").unwrap(),
18        Regex::new(r"(?i)dict://").unwrap(),
19        Regex::new(r"(?i)ftp://[^/]*@").unwrap(),
20        Regex::new(r"(?i)file:///").unwrap(),
21    ]
22});
23
24pub struct SsrfDetector;
25
26impl Detector for SsrfDetector {
27    fn name(&self) -> &'static str {
28        "ssrf"
29    }
30
31    fn detect(&self, input: &str) -> Option<DetectionResult> {
32        for re in PATTERNS.iter() {
33            if let Some(m) = re.find(input) {
34                return Some(DetectionResult {
35                    attack_type: "ssrf".into(),
36                    category: AttackCategory::Protocol,
37                    severity: Severity::Critical,
38                    matched_pattern: m.as_str().to_string(),
39                    offset: m.start(),
40                    message: "SSRF server-side request forgery detected".into(),
41                });
42            }
43        }
44        None
45    }
46}
security_rust/protocol/ssrf.rs

security_rust/protocol/
ssrf.rs
