security_rust/injection/
jndi_injection.rs

1// Copyright (c) 2026 erik <erik@erik.xyz> — https://erik.xyz
2
3use crate::{AttackCategory, DetectionResult, Detector, Severity};
4use regex::Regex;
5use std::sync::LazyLock;
6
7static PATTERNS: LazyLock<Vec<Regex>> = LazyLock::new(|| {
8    vec![
9        Regex::new(r"(?i)\$\{jndi:").unwrap(),
10        Regex::new(r"(?i)\$\{lower:j\}").unwrap(),
11        Regex::new(r"(?i)\$\{upper:j\}").unwrap(),
12        Regex::new(r"(?i)\$\{::-j\}").unwrap(),
13        Regex::new(r"(?i)\$\{env:").unwrap(),
14        Regex::new(r"(?i)\$\{sys:").unwrap(),
15        Regex::new(r"(?i)\$\{java:").unwrap(),
16        Regex::new(r"(?i)ldap://").unwrap(),
17        Regex::new(r"(?i)rmi://").unwrap(),
18        Regex::new(r"(?i)dns://").unwrap(),
19        Regex::new(r"(?i)ldaps://").unwrap(),
20    ]
21});
22
23pub struct JndiInjectionDetector;
24
25impl Detector for JndiInjectionDetector {
26    fn name(&self) -> &'static str {
27        "jndi_injection"
28    }
29
30    fn detect(&self, input: &str) -> Option<DetectionResult> {
31        for re in PATTERNS.iter() {
32            if let Some(m) = re.find(input) {
33                return Some(DetectionResult {
34                    attack_type: "jndi_injection".into(),
35                    category: AttackCategory::Injection,
36                    severity: Severity::Critical,
37                    matched_pattern: m.as_str().to_string(),
38                    offset: m.start(),
39                    message: "JNDI/Log4Shell injection detected".into(),
40                });
41            }
42        }
43        None
44    }
45}
security_rust/injection/jndi_injection.rs

security_rust/injection/
jndi_injection.rs
