forge_guard/exploit/
mod.rs

1//! Exploit engine — generates attack vectors and exploit paths.
2
3use crate::core::{Finding, ForgeGuardError, Severity};
4/// Analyze findings to generate exploit paths and attack vectors.
5pub fn analyze_exploit_paths(
6    findings: &[Finding],
7    _source_files: &[PathBuf],
8) -> Result<Vec<Finding>, ForgeGuardError> {
9    let mut exploit_findings = Vec::new();
10
11    for finding in findings {
12        if finding.severity >= Severity::High {
13            let exploit_path = generate_exploit_path(finding);
14            if let Some(path) = exploit_path {
15                let mut enhanced = finding.clone();
16                enhanced.exploit_path = Some(path);
17                exploit_findings.push(enhanced);
18            }
19        }
20    }
21
22    Ok(exploit_findings)
23}
24
25/// Generate an exploit path demonstration for a given finding.
26fn generate_exploit_path(finding: &Finding) -> Option<Vec<String>> {
27    match finding.category.as_str() {
28        "Access Control" => Some(vec![
29            format!(
30                "Attacker identifies unprotected function: {}",
31                finding.title
32            ),
33            "Attacker calls vulnerable function directly without authorization".into(),
34            "Function executes with attacker-controlled parameters".into(),
35            match finding.severity {
36                Severity::Critical | Severity::High => {
37                    "Attacker gains unauthorized control or extracts funds".into()
38                }
39                _ => "Attacker modifies contract state illegally".into(),
40            },
41        ]),
42        "Logic" => Some(vec![
43            format!("Attacker identifies logical flaw: {}", finding.title),
44            "Attacker crafts transactions exploiting the flawed logic".into(),
45            "Contract executes unintended code path".into(),
46            "Attacker drains assets or breaks contract invariants".into(),
47        ]),
48        "DeFi" => Some(vec![
49            "Attacker obtains flash loan from lending protocol".into(),
50            "Attacker manipulates price oracle or liquidity pool".into(),
51            "Attacker executes arbitrage transaction manipulating contract".into(),
52            "Attacker repays flash loan, keeping profit".into(),
53        ]),
54        "Upgradeability" => Some(vec![
55            "Attacker identifies unsafe upgrade path".into(),
56            "Attacker deploys malicious implementation contract".into(),
57            "Proxy proxies to malicious implementation".into(),
58            "Attacker takes over contract through upgrade".into(),
59        ]),
60        "Cryptography" => Some(vec![
61            "Attacker intercepts signed message".into(),
62            "Attacker replays signature on different chain or context".into(),
63            "Signature bypasses authorization checks".into(),
64            "Attacker gains unauthorized access".into(),
65        ]),
66        "Cross-Chain" => Some(vec![
67            "Attacker identifies cross-chain message vulnerability".into(),
68            "Attacker crafts malicious cross-chain message".into(),
69            "Validator/relayer processes malicious message".into(),
70            "Funds are stolen from cross-chain bridge".into(),
71        ]),
72        _ => None,
73    }
74}
75
76use std::path::PathBuf;
77
78#[cfg(test)]
79mod tests {
80    use super::*;
81    use crate::core::FindingBuilder;
82
83    #[test]
84    fn test_exploit_path_generation() {
85        let finding = FindingBuilder::default()
86            .title("Test Finding")
87            .description("A test vulnerability")
88            .severity(Severity::High)
89            .category("Access Control".into())
90            .build();
91
92        let result = analyze_exploit_paths(&[finding], &[]).unwrap();
93        assert!(!result.is_empty());
94        assert!(result[0].exploit_path.is_some());
95    }
96}
forge_guard/exploit/mod.rs

forge_guard/exploit/
mod.rs
