Building Phishing Reporting Button Workflow

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   Copyright 2026 mukul975

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#!/usr/bin/env python3
"""Phishing Reporting Button Workflow Agent - Processes user-reported phishing emails via button integration."""

import json
import logging
import argparse
import re
import hashlib
from datetime import datetime
from email import policy
from email.parser import BytesParser

import requests

logging.basicConfig(level=logging.INFO, format="%(asctime)s [%(levelname)s] %(message)s")
logger = logging.getLogger(__name__)

SUSPICIOUS_PATTERNS = [
    re.compile(r"urgent|immediate action|verify your account|click here now", re.IGNORECASE),
    re.compile(r"password.*expir|account.*suspend|unusual.*activity", re.IGNORECASE),
    re.compile(r"wire transfer|bitcoin|gift card|western union", re.IGNORECASE),
    re.compile(r"[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,}", re.IGNORECASE),
]

URL_PATTERN = re.compile(r"https?://[^\s\"'<>]+")


def parse_reported_email(eml_path):
    """Parse a reported phishing email from .eml file."""
    with open(eml_path, "rb") as f:
        msg = BytesParser(policy=policy.default).parse(f)
    headers = {
        "from": msg.get("From", ""),
        "to": msg.get("To", ""),
        "subject": msg.get("Subject", ""),
        "date": msg.get("Date", ""),
        "return_path": msg.get("Return-Path", ""),
        "reply_to": msg.get("Reply-To", ""),
        "message_id": msg.get("Message-ID", ""),
        "received": [str(h) for h in msg.get_all("Received", [])],
    }
    body = ""
    if msg.is_multipart():
        for part in msg.walk():
            ct = part.get_content_type()
            if ct == "text/plain":
                body = part.get_content()
                break
            elif ct == "text/html" and not body:
                body = part.get_content()
    else:
        body = msg.get_content()
    attachments = []
    for part in msg.walk():
        fn = part.get_filename()
        if fn:
            content = part.get_payload(decode=True)
            attachments.append({"filename": fn, "size": len(content) if content else 0,
                                "sha256": hashlib.sha256(content).hexdigest() if content else ""})
    logger.info("Parsed email: subject='%s', %d attachments", headers["subject"], len(attachments))
    return {"headers": headers, "body": body[:5000], "attachments": attachments}


def analyze_email(parsed):
    """Analyze reported email for phishing indicators."""
    findings = []
    score = 0
    headers = parsed["headers"]
    body = parsed.get("body", "")
    from_addr = headers.get("from", "")
    reply_to = headers.get("reply_to", "")
    if reply_to and reply_to != from_addr:
        findings.append({"indicator": "Reply-To mismatch", "detail": f"From: {from_addr}, Reply-To: {reply_to}", "weight": 20})
        score += 20
    auth_results = headers.get("authentication_results", "")
    if "spf=fail" in auth_results.lower() or "dkim=fail" in auth_results.lower():
        findings.append({"indicator": "Email authentication failure", "detail": auth_results[:200], "weight": 25})
        score += 25
    for pat in SUSPICIOUS_PATTERNS:
        matches = pat.findall(body)
        if matches:
            findings.append({"indicator": "Suspicious language", "detail": matches[0][:100], "weight": 10})
            score += 10
    urls = URL_PATTERN.findall(body)
    suspicious_urls = [u for u in urls if any(kw in u.lower() for kw in [".tk", ".ml", ".ga", "bit.ly",
                       "tinyurl", "redirect", "login", "verify", "secure-"])]
    if suspicious_urls:
        findings.append({"indicator": "Suspicious URLs", "detail": suspicious_urls[:5], "weight": 15})
        score += 15 * len(suspicious_urls[:3])
    for att in parsed.get("attachments", []):
        fn = att["filename"].lower()
        if any(fn.endswith(ext) for ext in [".exe", ".scr", ".js", ".vbs", ".bat", ".ps1", ".hta", ".iso", ".img"]):
            findings.append({"indicator": "Dangerous attachment", "detail": att["filename"], "weight": 30})
            score += 30
    verdict = "phishing" if score >= 50 else "suspicious" if score >= 25 else "benign"
    return {"score": min(score, 100), "verdict": verdict, "findings": findings, "url_count": len(urls),
            "attachment_count": len(parsed.get("attachments", []))}


def check_urls_virustotal(urls, api_key):
    """Check extracted URLs against VirusTotal."""
    results = []
    for url in urls[:5]:
        try:
            url_id = hashlib.sha256(url.encode()).hexdigest()
            resp = requests.get(f"https://www.virustotal.com/api/v3/urls/{url_id}",
                                headers={"x-apikey": api_key}, timeout=10)
            if resp.status_code == 200:
                stats = resp.json().get("data", {}).get("attributes", {}).get("last_analysis_stats", {})
                results.append({"url": url, "malicious": stats.get("malicious", 0), "suspicious": stats.get("suspicious", 0)})
        except requests.RequestException:
            results.append({"url": url, "error": "lookup_failed"})
    return results


def create_ticket(analysis, parsed, ticketing_url=None, api_key=None):
    """Create incident ticket from analysis results."""
    ticket = {
        "title": f"Phishing Report: {parsed['headers'].get('subject', 'No Subject')[:80]}",
        "severity": "high" if analysis["verdict"] == "phishing" else "medium" if analysis["verdict"] == "suspicious" else "low",
        "description": f"User-reported phishing email. Verdict: {analysis['verdict']} (score: {analysis['score']})",
        "indicators": [f["indicator"] for f in analysis["findings"]],
        "reported_from": parsed["headers"].get("to", ""),
        "suspicious_sender": parsed["headers"].get("from", ""),
    }
    if ticketing_url and api_key:
        try:
            resp = requests.post(f"{ticketing_url}/api/v2/tickets",
                                 headers={"Authorization": f"Bearer {api_key}"}, json=ticket, timeout=10)
            ticket["ticket_id"] = resp.json().get("id")
        except requests.RequestException:
            ticket["ticket_id"] = "creation_failed"
    return ticket


def generate_report(parsed, analysis, ticket):
    """Generate phishing report workflow report."""
    report = {
        "timestamp": datetime.utcnow().isoformat(),
        "email_subject": parsed["headers"].get("subject", ""),
        "sender": parsed["headers"].get("from", ""),
        "analysis": analysis,
        "ticket": ticket,
    }
    print(f"PHISHING REPORT: {analysis['verdict'].upper()} (score={analysis['score']}), "
          f"{len(analysis['findings'])} indicators")
    return report


def main():
    parser = argparse.ArgumentParser(description="Phishing Reporting Button Workflow Agent")
    parser.add_argument("--eml-file", required=True, help="Path to reported .eml file")
    parser.add_argument("--vt-key", help="VirusTotal API key for URL checks")
    parser.add_argument("--output", default="phishing_report.json")
    args = parser.parse_args()

    parsed = parse_reported_email(args.eml_file)
    analysis = analyze_email(parsed)
    ticket = create_ticket(analysis, parsed)
    report = generate_report(parsed, analysis, ticket)
    with open(args.output, "w") as f:
        json.dump(report, f, indent=2)
    logger.info("Report saved to %s", args.output)


if __name__ == "__main__":
    main()

#!/usr/bin/env python3
"""
Phishing Report Triage Engine

Processes user-reported phishing emails, extracts IOCs,
performs automated analysis, and classifies the report.

Usage:
    python process.py triage --eml-file reported_email.eml
    python process.py metrics --reports-file reports.json
    python process.py extract-iocs --eml-file reported_email.eml
"""

import argparse
import json
import re
import hashlib
import sys
from dataclasses import dataclass, field, asdict
from collections import Counter
from datetime import datetime


@dataclass
class ExtractedIOCs:
    """IOCs extracted from reported email."""
    sender_address: str = ""
    sender_domain: str = ""
    reply_to: str = ""
    urls: list = field(default_factory=list)
    domains: list = field(default_factory=list)
    attachment_names: list = field(default_factory=list)
    attachment_hashes: list = field(default_factory=list)
    ip_addresses: list = field(default_factory=list)
    subject: str = ""


@dataclass
class TriageResult:
    """Triage classification result."""
    report_id: str = ""
    reporter: str = ""
    classification: str = ""
    confidence: float = 0.0
    iocs: dict = field(default_factory=dict)
    indicators: list = field(default_factory=list)
    recommended_action: str = ""
    auto_actionable: bool = False


@dataclass
class ReportingMetrics:
    """Phishing reporting program metrics."""
    total_reports: int = 0
    confirmed_phishing: int = 0
    confirmed_spam: int = 0
    simulation_reports: int = 0
    false_positives: int = 0
    mean_triage_time_min: float = 0.0
    top_reporters: list = field(default_factory=list)
    report_rate: float = 0.0


PHISHING_INDICATORS = [
    (r'\burgent\b.*\b(action|response|attention)\b', "Urgency language", 15),
    (r'\b(verify|confirm|validate)\s+your\s+(account|identity|password)\b', "Credential request", 20),
    (r'\b(click|follow)\s+(here|this|the)\s+(link|button)\b', "Click-bait language", 10),
    (r'\b(suspended|locked|disabled|compromised)\s+(account|access)\b', "Fear language", 15),
    (r'\b(wire\s+transfer|payment|invoice|bank)\b', "Financial language", 10),
    (r'\bgift\s+card\b', "Gift card request", 20),
    (r'\bdo\s+not\s+(share|tell|discuss)\b', "Secrecy language", 15),
]


def extract_iocs(eml_content: str) -> ExtractedIOCs:
    """Extract IOCs from email content."""
    iocs = ExtractedIOCs()

    # Extract From
    from_match = re.search(r'^From:\s*(?:.*<)?([^>\s]+@[^>\s]+)', eml_content,
                           re.MULTILINE | re.IGNORECASE)
    if from_match:
        iocs.sender_address = from_match.group(1).strip()
        domain_match = re.search(r'@([\w.-]+)', iocs.sender_address)
        if domain_match:
            iocs.sender_domain = domain_match.group(1)

    # Extract Reply-To
    reply_match = re.search(r'^Reply-To:\s*(?:.*<)?([^>\s]+@[^>\s]+)', eml_content,
                            re.MULTILINE | re.IGNORECASE)
    if reply_match:
        iocs.reply_to = reply_match.group(1).strip()

    # Extract Subject
    subj_match = re.search(r'^Subject:\s*(.+)$', eml_content, re.MULTILINE | re.IGNORECASE)
    if subj_match:
        iocs.subject = subj_match.group(1).strip()

    # Extract URLs
    urls = re.findall(r'https?://[^\s<>"\']+', eml_content)
    iocs.urls = list(set(urls))

    # Extract domains from URLs
    for url in iocs.urls:
        domain_match = re.search(r'https?://([^/:\s]+)', url)
        if domain_match:
            domain = domain_match.group(1).lower()
            if domain not in iocs.domains:
                iocs.domains.append(domain)

    # Extract IP addresses from headers
    ips = re.findall(r'\b(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\b', eml_content)
    iocs.ip_addresses = list(set(ips))

    # Extract attachment filenames
    attachments = re.findall(
        r'filename[*]?=(?:"([^"]+)"|([^\s;]+))',
        eml_content, re.IGNORECASE
    )
    for groups in attachments:
        name = groups[0] or groups[1]
        if name and name not in iocs.attachment_names:
            iocs.attachment_names.append(name)

    return iocs


def triage_report(eml_content: str, simulation_subjects: list = None) -> TriageResult:
    """Classify a reported email."""
    result = TriageResult()
    iocs = extract_iocs(eml_content)
    result.iocs = asdict(iocs)

    score = 0
    body_lower = eml_content.lower()

    # Check if it's a known simulation
    if simulation_subjects:
        for sim_subj in simulation_subjects:
            if sim_subj.lower() in iocs.subject.lower():
                result.classification = "simulation"
                result.confidence = 0.95
                result.recommended_action = "Credit reporter in training platform"
                result.auto_actionable = True
                return result

    # Check phishing indicators
    for pattern, desc, weight in PHISHING_INDICATORS:
        if re.search(pattern, body_lower):
            result.indicators.append(desc)
            score += weight

    # Check for authentication failures
    auth_results = re.search(r'Authentication-Results:.*?(spf=fail|dkim=fail|dmarc=fail)',
                             eml_content, re.IGNORECASE | re.DOTALL)
    if auth_results:
        result.indicators.append(f"Authentication failure: {auth_results.group(1)}")
        score += 20

    # Check Reply-To mismatch
    if iocs.reply_to and iocs.sender_address:
        reply_domain = re.search(r'@([\w.-]+)', iocs.reply_to)
        sender_domain = re.search(r'@([\w.-]+)', iocs.sender_address)
        if reply_domain and sender_domain:
            if reply_domain.group(1) != sender_domain.group(1):
                result.indicators.append("Reply-To domain mismatch")
                score += 15

    # Check for suspicious attachment types
    risky_extensions = ['.exe', '.scr', '.bat', '.cmd', '.ps1', '.vbs',
                        '.js', '.wsf', '.hta', '.iso', '.img']
    for att in iocs.attachment_names:
        if any(att.lower().endswith(ext) for ext in risky_extensions):
            result.indicators.append(f"Risky attachment: {att}")
            score += 25

    # Classify
    if score >= 50:
        result.classification = "confirmed_phishing"
        result.confidence = min(score / 100, 0.95)
        result.recommended_action = "Retract from all inboxes, block sender domain"
        result.auto_actionable = True
    elif score >= 25:
        result.classification = "suspicious"
        result.confidence = score / 100
        result.recommended_action = "Escalate to SOC analyst for manual review"
        result.auto_actionable = False
    elif score >= 10:
        result.classification = "spam"
        result.confidence = 0.6
        result.recommended_action = "Move to junk for all recipients"
        result.auto_actionable = True
    else:
        result.classification = "clean"
        result.confidence = 0.7
        result.recommended_action = "Return to inbox, notify reporter"
        result.auto_actionable = True

    return result


def calculate_metrics(reports: list) -> ReportingMetrics:
    """Calculate phishing reporting program metrics."""
    metrics = ReportingMetrics()
    metrics.total_reports = len(reports)

    reporter_counts = Counter()
    triage_times = []

    for report in reports:
        classification = report.get("classification", "")
        if classification == "confirmed_phishing":
            metrics.confirmed_phishing += 1
        elif classification == "spam":
            metrics.confirmed_spam += 1
        elif classification == "simulation":
            metrics.simulation_reports += 1
        elif classification == "clean":
            metrics.false_positives += 1

        reporter = report.get("reporter", "")
        if reporter:
            reporter_counts[reporter] += 1

        triage_time = report.get("triage_time_minutes", 0)
        if triage_time > 0:
            triage_times.append(triage_time)

    if triage_times:
        metrics.mean_triage_time_min = sum(triage_times) / len(triage_times)

    metrics.top_reporters = [
        {"reporter": r, "count": c}
        for r, c in reporter_counts.most_common(10)
    ]

    if metrics.total_reports > 0:
        metrics.report_rate = (
            (metrics.confirmed_phishing + metrics.simulation_reports) /
            metrics.total_reports * 100
        )

    return metrics


def main():
    parser = argparse.ArgumentParser(description="Phishing Report Triage Engine")
    subparsers = parser.add_subparsers(dest="command")

    triage_parser = subparsers.add_parser("triage", help="Triage reported email")
    triage_parser.add_argument("--eml-file", required=True)
    triage_parser.add_argument("--sim-subjects", nargs="*", default=[])

    metrics_parser = subparsers.add_parser("metrics", help="Calculate reporting metrics")
    metrics_parser.add_argument("--reports-file", required=True)

    ioc_parser = subparsers.add_parser("extract-iocs", help="Extract IOCs from email")
    ioc_parser.add_argument("--eml-file", required=True)

    parser.add_argument("--json", action="store_true")
    args = parser.parse_args()

    if args.command == "triage":
        with open(args.eml_file, 'r', errors='replace') as f:
            content = f.read()
        result = triage_report(content, args.sim_subjects)
        if args.json:
            print(json.dumps(asdict(result), indent=2))
        else:
            print(f"Classification: {result.classification}")
            print(f"Confidence: {result.confidence:.0%}")
            print(f"Action: {result.recommended_action}")
            print(f"Auto-actionable: {'Yes' if result.auto_actionable else 'No'}")
            if result.indicators:
                print(f"Indicators:")
                for ind in result.indicators:
                    print(f"  - {ind}")

    elif args.command == "metrics":
        with open(args.reports_file) as f:
            reports = json.load(f)
        result = calculate_metrics(reports)
        if args.json:
            print(json.dumps(asdict(result), indent=2))
        else:
            print(f"Total reports: {result.total_reports}")
            print(f"Confirmed phishing: {result.confirmed_phishing}")
            print(f"Spam: {result.confirmed_spam}")
            print(f"Simulations reported: {result.simulation_reports}")
            print(f"False positives: {result.false_positives}")
            print(f"Mean triage time: {result.mean_triage_time_min:.1f} min")

    elif args.command == "extract-iocs":
        with open(args.eml_file, 'r', errors='replace') as f:
            content = f.read()
        iocs = extract_iocs(content)
        print(json.dumps(asdict(iocs), indent=2))

    else:
        parser.print_help()


if __name__ == "__main__":
    main()