feat(modules): legacy shodan scan

Converted legacy Go shodan scan to be able to run as module.

internal/scan/builtin/register.go

@@ -12,8 +12,10 @@
 
 package builtin
 
+import "github.com/dropalldatabases/sif/internal/modules"
+
 // Register registers all Go-based built-in scans as modules.
 // Allows complex Go scans to participate in the module system
 func Register() {
-	// Built-in modules will be registered here
+	modules.Register(&ShodanModule{})
 }

internal/scan/builtin/shodan.go

@@ -0,0 +1,157 @@
+/*
+·━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━·
+:                                                                               :
+:   █▀ █ █▀▀   ·   Blazing-fast pentesting suite                                :
+:   ▄█ █ █▀    ·   BSD 3-Clause License                                         :
+:                                                                               :
+:   (c) 2022-2025 vmfunc, xyzeva,                                               :
+:                 lunchcat alumni & contributors                                :
+:                                                                               :
+·━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━·
+*/
+
+package builtin
+
+import (
+	"context"
+	"fmt"
+	"github.com/dropalldatabases/sif/internal/modules"
+	"github.com/dropalldatabases/sif/internal/scan"
+	"strings"
+)
+
+type ShodanModule struct{}
+
+func (m *ShodanModule) Info() modules.Info {
+	return modules.Info{
+		ID:          "shodan-lookup",
+		Name:        "Shodan Host Intelligence",
+		Author:      "sif",
+		Severity:    "info",
+		Description: "Queries Shodan API for host information, open ports, and vulnerabilities (requires SHODAN_API_KEY)",
+		Tags:        []string{"recon", "osint", "shodan", "vulns"},
+	}
+}
+
+func (m *ShodanModule) Type() modules.ModuleType {
+	return modules.TypeScript
+}
+
+func (m *ShodanModule) Execute(ctx context.Context, target string, opts modules.Options) (*modules.Result, error) {
+	// Call existing legacy scan.Shodan function
+	shodanResult, err := scan.Shodan(target, opts.Timeout, opts.LogDir)
+
+	if err != nil {
+		return nil, err
+	}
+
+	result := &modules.Result{
+		ModuleID: m.Info().ID,
+		Target:   target,
+		Findings: []modules.Finding{},
+	}
+
+	// If nothing returned, return empty result
+	if shodanResult == nil || shodanResult.IP == "" {
+		return result, nil
+	}
+
+	// Create main finding
+	evidence := fmt.Sprintf("Shodan data found for %s", shodanResult.IP)
+
+	severity := "info"
+	if len(shodanResult.Vulns) > 0 {
+		severity = "high"
+		evidence = fmt.Sprintf("Host %s has %d known vulnerabilities", shodanResult.IP, len(shodanResult.Vulns))
+	}
+
+	finding := modules.Finding{
+		URL:      target,
+		Severity: severity,
+		Evidence: evidence,
+		Extracted: map[string]string{
+			"ip": shodanResult.IP,
+		},
+	}
+
+	// Add hostnames
+	if len(shodanResult.Hostnames) > 0 {
+		finding.Extracted["hostnames"] = strings.Join(shodanResult.Hostnames, ", ")
+	}
+
+	// Add organization info
+	if shodanResult.Organization != "" {
+		finding.Extracted["organization"] = shodanResult.Organization
+	}
+
+	// Add ISP info
+	if shodanResult.ISP != "" {
+		finding.Extracted["isp"] = shodanResult.ISP
+	}
+
+	// Add ASN
+	if shodanResult.ASN != "" {
+		finding.Extracted["asn"] = shodanResult.ASN
+	}
+
+	// Add location
+	if shodanResult.Country != "" {
+		location := shodanResult.Country
+		if shodanResult.City != "" {
+			location = shodanResult.City + ", " + shodanResult.Country
+		}
+
+		finding.Extracted["location"] = location
+	}
+
+	// Add OS
+	if shodanResult.OS != "" {
+		finding.Extracted["os"] = shodanResult.OS
+	}
+
+	// Add open ports
+	if len(shodanResult.Ports) > 0 {
+		portStrs := make([]string, len(shodanResult.Ports))
+		for i, port := range shodanResult.Ports {
+			portStrs[i] = fmt.Sprintf("%d", port)
+		}
+
+		finding.Extracted["open_ports"] = strings.Join(portStrs, ", ")
+		finding.Extracted["port_count"] = fmt.Sprintf("%d", len(shodanResult.Ports))
+	}
+
+	// Add vulnerabilities
+	if len(shodanResult.Vulns) > 0 {
+		finding.Extracted["vulnerabilities"] = strings.Join(shodanResult.Vulns, ", ")
+		finding.Extracted["vuln_count"] = fmt.Sprintf("%d", len(shodanResult.Vulns))
+	}
+
+	// Add last update
+	if shodanResult.LastUpdate != "" {
+		finding.Extracted["last_update"] = shodanResult.LastUpdate
+	}
+
+	// Add service count
+	if len(shodanResult.Services) > 0 {
+		finding.Extracted["service_count"] = fmt.Sprintf("%d", len(shodanResult.Services))
+
+		// Add service details
+		serviceDetails := make([]string, 0, len(shodanResult.Services))
+		for _, service := range shodanResult.Services {
+			detail := fmt.Sprintf("%d/%s", service.Port, service.Protocol)
+			if service.Product != "" {
+				detail += " " + service.Product
+
+				if service.Version != "" {
+					detail += " " + service.Version
+				}
+			}
+			serviceDetails = append(serviceDetails, detail)
+		}
+		finding.Extracted["services"] = strings.Join(serviceDetails, "; ")
+	}
+
+	result.Findings = append(result.Findings, finding)
+
+	return result, nil
+}