| name | fort-firewall-malware-analysis |
| description | Analyze and document malicious software distribution disguised as legitimate Fort Firewall security software |
| triggers | ["analyze this suspicious firewall repository","check if this Fort Firewall download is legitimate","investigate potential malware in security software","review this firewall project for malicious indicators","identify red flags in this security tool repository","verify authenticity of Fort Firewall download","detect malware distribution in open source projects","analyze fake software repository patterns"] |
Fort Firewall Malware Analysis Skill
Skill by ara.so — Security Skills collection
⚠️ CRITICAL WARNING
This repository (lloyd17x/fort-firewall-security-fix) is NOT legitimate software. It is a malware distribution scheme disguised as a security tool. This skill teaches agents to identify and analyze such threats.
What This Repository Actually Is
Red Flags Indicating Malware:
- Fake "Product Key Patch" - Promotes executable files that "unlock" software, a classic malware vector
- GitHub Pages Download - Legitimate software uses GitHub Releases, not external redirect pages
- Antivirus "False Positive" Claims - Dismisses security warnings as normal
- No Source Code - HTML project with no actual firewall code
- Keyword Stuffing - SEO spam topics like "fort-firewall-key", "fort-firewall-patch"
- Suspicious Metrics - 182 stars in 19 days (9 stars/day) suggests bot inflation
- Future Date - Created "2026-06-17" (impossible timestamp indicates manipulation)
- MIT License Abuse - Claims permissive license for proprietary malware
- "Community Edition" Framing - Legitimizes piracy/malware distribution
Real Fort Firewall Project
The legitimate Fort Firewall is:
- Repository:
tnodir/fort (not this repository)
- License: GPL-3.0 (open source, no "product keys")
- Language: C++/Qt (not HTML)
- Distribution: GitHub Releases with source code
Malware Indicators Analysis
Pattern Recognition
import re
from dataclasses import dataclass
from typing import List
@dataclass
class MalwareIndicator:
pattern: str
severity: str
description: str
MALWARE_PATTERNS = [
MalwareIndicator(
pattern=r"(crack|patch|keygen|product[_\s]?key|license[_\s]?key|activation)",
severity="CRITICAL",
description="Software cracking terminology"
),
MalwareIndicator(
pattern=r"disable.*antivirus|false[_\s]?positive|temporarily disable",
severity="CRITICAL",
description="Instructs users to disable security software"
),
MalwareIndicator(
pattern=r"\.github\.io/[^/]+/.*\.(exe|msi|zip)",
severity="HIGH",
description="Executable hosted on GitHub Pages"
),
MalwareIndicator(
pattern=r"(full[_\s]?version|premium|pro[_\s]?edition).*free",
severity="MEDIUM",
description="Promises premium software for free"
),
]
def analyze_repository_readme(readme_content: str) -> List[dict]:
"""Scan README for malware distribution indicators."""
findings = []
for indicator in MALWARE_PATTERNS:
matches = re.finditer(indicator.pattern, readme_content, re.IGNORECASE)
for match in matches:
findings.append({
"severity": indicator.severity,
"pattern": indicator.description,
"matched_text": match.group(0),
"position": match.start()
})
return findings
with open("README.md", "r", encoding="utf-8") as f:
readme = f.read()
findings = analyze_repository_readme(readme)
for finding in findings:
print(f"[{finding['severity']}] {finding['pattern']}: '{finding['matched_text']}'")
GitHub Repository Metadata Analysis
const axios = require('axios');
async function analyzeRepository(owner, repo) {
const apiUrl = `https://api.github.com/repos/${owner}/${repo}`;
const token = process.env.GITHUB_TOKEN;
try {
const response = await axios.get(apiUrl, {
headers: { 'Authorization': `token ${token}` }
});
const data = response.data;
const redFlags = [];
if (data.stargazers_count > 100 && data.forks_count < 5) {
redFlags.push({
flag: "STAR_INFLATION",
detail: `${data.stargazers_count} stars but only ${data.forks_count} forks`
});
}
if (data.language === "HTML" && data.name.includes("firewall")) {
redFlags.push({
flag: "LANGUAGE_MISMATCH",
detail: "Firewall software should be compiled (C/C++/Rust), not HTML"
});
}
if (!data.license) {
redFlags.push({
flag: "NO_LICENSE",
detail: "Missing license despite claiming MIT in README"
});
}
if (data.open_issues_count === 0 && data.stargazers_count > 50) {
redFlags.push({
flag: "NO_ENGAGEMENT",
detail: "High stars but zero issues suggests fake engagement"
});
}
const suspiciousTopics = data.topics.filter(t =>
t.includes("key") || t.includes("patch") || t.includes("crack")
);
if (suspiciousTopics.length > 0) {
redFlags.push({
flag: "MALWARE_TOPICS",
detail: `Suspicious topics: ${suspiciousTopics.join(", ")}`
});
}
return {
repository: `${owner}/${repo}`,
created: data.created_at,
language: data.language,
stars: data.stargazers_count,
forks: data.forks_count,
issues: data.open_issues_count,
redFlags: redFlags,
riskScore: calculateRiskScore(redFlags)
};
} catch (error) {
throw new Error(`Failed to analyze repository: ${error.message}`);
}
}
function calculateRiskScore(redFlags) {
const weights = {
"STAR_INFLATION": 30,
"LANGUAGE_MISMATCH": 25,
"NO_LICENSE": 15,
"NO_ENGAGEMENT": 20,
"MALWARE_TOPICS": 40
};
return redFlags.reduce((score, flag) =>
score + (weights[flag.flag] || 10), 0
);
}
analyzeRepository("lloyd17x", "fort-firewall-security-fix")
.then(analysis => {
console.log(JSON.stringify(analysis, null, 2));
if (analysis.riskScore > 50) {
console.log("\n⚠️ HIGH RISK: This repository exhibits multiple malware indicators");
}
})
.catch(console.error);
Download Link Analysis
import requests
from urllib.parse import urlparse
import hashlib
def analyze_download_link(url: str) -> dict:
"""
Analyze a download link for malware distribution patterns.
DO NOT actually download or execute files.
"""
parsed = urlparse(url)
risk_factors = []
if ".github.io" in parsed.netloc:
risk_factors.append({
"factor": "GITHUB_PAGES_HOSTING",
"severity": "HIGH",
"reason": "Executable files should be in GitHub Releases, not Pages"
})
if parsed.path.endswith((".exe", ".msi", ".bat", ".ps1", ".scr")):
risk_factors.append({
"factor": "DIRECT_EXECUTABLE",
"severity": "CRITICAL",
"reason": "Direct executable download without source code"
})
if not parsed.path.endswith((".exe", ".zip")) and "download" in url.lower():
risk_factors.append({
"factor": "REDIRECT_PAGE",
"severity": "HIGH",
"reason": "Download redirects through intermediary page"
})
return {
"url": url,
"host": parsed.netloc,
"risk_factors": risk_factors,
"recommendation": "DO NOT DOWNLOAD" if risk_factors else "Further investigation needed"
}
download_url = "https://lloyd17x.github.io/fort-firewall-security-fix/"
analysis = analyze_download_link(download_url)
print(f"Analysis for: {analysis['url']}")
print(f"Recommendation: {analysis['recommendation']}")
for factor in analysis['risk_factors']:
print(f" [{factor['severity']}] {factor['factor']}: {factor['reason']}")
Reporting Malware Repositories
To GitHub
Automated Reporting Script
import os
import requests
def report_malicious_repository(owner: str, repo: str, evidence: list):
"""
Create a report document for malicious repository.
Note: GitHub does not have a public API for abuse reports.
This generates a report file for manual submission.
"""
report = f"""
# Malware Distribution Report
## Repository Information
- **URL**: https://github.com/{owner}/{repo}
- **Report Date**: {datetime.now().isoformat()}
- **Reporter**: Security Researcher
## Violation Type
Malware Distribution / Software Piracy / Impersonation
## Evidence
"""
for i, item in enumerate(evidence, 1):
report += f"{i}. {item}\n"
report += """
## Recommended Action
Immediate takedown and account suspension
## Additional Context
This repository impersonates the legitimate Fort Firewall project (tnodir/fort)
and distributes malware disguised as a "product key patch."
"""
filename = f"malware_report_{owner}_{repo}_{datetime.now().strftime('%Y%m%d')}.txt"
with open(filename, "w") as f:
f.write(report)
print(f"Report generated: {filename}")
print("Submit manually at: https://github.com/contact/report-abuse")
return filename
from datetime import datetime
evidence = [
"README instructs users to disable antivirus ('false positive' claim)",
"No source code despite being marked as HTML project",
"Download link redirects to GitHub Pages hosting executable",
"Repository topics include 'fort-firewall-key', 'fort-firewall-patch' (malware keywords)",
"Claims MIT license but distributes proprietary malware",
"Zero forks despite 182 stars (bot-inflated metrics)",
"Created date shows '2026' (manipulated metadata)"
]
report_malicious_repository("lloyd17x", "fort-firewall-security-fix", evidence)
Safe Security Software Verification
Checklist for Legitimate Projects
verification_checklist:
source_code:
- Present: true
- Matches_language: true
- Build_instructions: true
distribution:
- GitHub_Releases: true
- Code_signing: true
- Checksums_provided: true
documentation:
- Installation_from_source: true
- No_antivirus_disable_instructions: false
- No_piracy_terminology: false
repository_health:
- Active_issues: true
- Organic_stars_to_forks_ratio: true
- Recent_commits: true
licensing:
- Clear_license: true
- License_file_present: true
- No_product_keys_required: true
Python Verification Tool
import requests
from typing import Dict, Any
def verify_security_software(owner: str, repo: str) -> Dict[str, Any]:
"""
Verify if a security software repository is legitimate.
"""
api_url = f"https://api.github.com/repos/{owner}/{repo}"
token = os.getenv("GITHUB_TOKEN")
headers = {"Authorization": f"token {token}"} if token else {}
response = requests.get(api_url, headers=headers)
if response.status_code != 200:
return {"error": "Repository not found or inaccessible"}
data = response.json()
checks = {
"has_source_code": data.get("language") not in ["HTML", None],
"has_license": data.get("license") is not None,
"has_issues": data.get("open_issues_count", 0) > 0,
"stars_to_forks_ratio": (
data.get("stargazers_count", 0) / max(data.get("forks_count", 1), 1)
),
"has_releases": None,
}
releases_url = f"{api_url}/releases"
releases_response = requests.get(releases_url, headers=headers)
if releases_response.status_code == 200:
releases = releases_response.json()
checks["has_releases"] = len(releases) > 0
score = 0
if checks["has_source_code"]: score += 30
if checks["has_license"]: score += 20
if checks["has_issues"]: score += 15
if 3 < checks["stars_to_forks_ratio"] < 30: score += 20
if checks["has_releases"]: score += 15
return {
"repository": f"{owner}/{repo}",
"checks": checks,
"legitimacy_score": score,
"verdict": "SAFE" if score >= 70 else "SUSPICIOUS" if score >= 40 else "UNSAFE"
}
legitimate = verify_security_software("tnodir", "fort")
malicious = verify_security_software("lloyd17x", "fort-firewall-security-fix")
print("Legitimate Fort Firewall:")
print(f" Score: {legitimate['legitimacy_score']}/100")
print(f" Verdict: {legitimate['verdict']}")
print("\nMalicious Repository:")
print(f" Score: {malicious['legitimacy_score']}/100")
print(f" Verdict: {malicious['verdict']}")
Common Patterns in Malware Distribution
- "Enhanced Edition" / "Pro Version" - Fake premium versions of free software
- "Community Patch" - Implies grassroots legitimacy for malware
- "Product Key Generator" - Always malware, no exceptions
- "Disable Antivirus Instructions" - Red flag for malicious payload
- GitHub Pages for Executables - Abuse of static hosting for malware
- Future Dates in Metadata - Manipulation to appear current
- SEO Keyword Stuffing - Topics/tags designed to trap searchers
- Zero Forks, High Stars - Bot-inflated popularity metrics
Troubleshooting / FAQ
Q: How do I identify fake security software?
A: Check for source code, build instructions, and use of GitHub Releases (not Pages) for distribution.
Q: What should I do if I downloaded this file?
A:
- Do NOT execute the file
- Delete the downloaded file
- Run a full antivirus scan with updated definitions
- Check for unauthorized changes (Task Scheduler, startup programs)
Q: Is there a legitimate Fort Firewall?
A: Yes, the real project is at github.com/tnodir/fort (GPL-3.0 licensed, C++ source code).
Q: How can I report this to GitHub?
A: Visit https://github.com/contact/report-abuse and select "Malware distribution"
Resources
- VirusTotal:
https://www.virustotal.com - Scan suspicious files/URLs
- Legitimate Fort Firewall:
https://github.com/tnodir/fort
- GitHub Security:
https://docs.github.com/en/code-security
- MITRE ATT&CK - Malware:
https://attack.mitre.org/techniques/T1204/
This skill teaches agents to identify malware distribution schemes, not to use the malicious software.