security_rust/data/
deserialization.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#"O:\d+:"#).unwrap(),
10        Regex::new(r#"C:\d+:"#).unwrap(),
11        Regex::new(r"(?i)unserialize\s*\(").unwrap(),
12        Regex::new(r"(?i)__wakeup").unwrap(),
13        Regex::new(r"(?i)__destruct").unwrap(),
14        Regex::new(r"(?i)__construct").unwrap(),
15        Regex::new(r"(?i)__toString").unwrap(),
16        Regex::new(r"(?i)__call").unwrap(),
17        Regex::new(r"(?i)__get").unwrap(),
18        Regex::new(r"(?i)__set").unwrap(),
19        Regex::new(r"a:\d+:\{").unwrap(),
20    ]
21});
22
23pub struct DeserializationDetector;
24
25impl Detector for DeserializationDetector {
26    fn name(&self) -> &'static str {
27        "deserialization"
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: "deserialization".into(),
35                    category: AttackCategory::Data,
36                    severity: Severity::Critical,
37                    matched_pattern: m.as_str().to_string(),
38                    offset: m.start(),
39                    message: "PHP deserialization attack detected".into(),
40                });
41            }
42        }
43        None
44    }
45}
security_rust/data/deserialization.rs

security_rust/data/
deserialization.rs
