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    idor exploitation

    1

    A technical playbook for identifying, testing, and escalating Insecure Direct Object Reference (IDOR) vulnerabilities.

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    idor exploitation

    idor exploitation

    Example session with this skill installed

    I found a sequential ID in a /download/104 endpoint. How should I proceed with an IDOR attack and what should I look for to escalate this?

    • Read your context and instructions
    • Compiled the idor exploitation

    I have analyzed the endpoint and outlined a systematic IDOR exploitation and escalation path.

    IDOR Exploitation & Escalation Plan

    PhaseActionTargeted Outcome
    VerificationCreate Account A and Account B. Use Account A to request /download/[ID_of_B].Confirm 200 OK and data leakage.
    EnumerationDecrement IDs from 104 down to 0. Focus on IDs < 10.Access administrative or system test accounts.
    Data MiningGrep downloaded files for USER, PASS, key, or .env strings.Recover cleartext credentials or tokens.
    EscalationExtract password-reset links or session tokens from leaked logs/exports.Take over high-privilege accounts.
    Lateral MovementTest recovered passwords against known SSH, SMB, or VPN services.Move from web-tier access to internal infrastructure.

    Escalation Commands for Recovered Files

    If the IDOR yields a PCAP or log file, use these to find credentials:

    
# Search for cleartext credentials in network captures
strings capture.pcap | grep -iE 'USER|PASS|220|331|230'

# Search for environment variables in leaked config exports
grep -iE 'secret|password|db_|aws_' export_104.log

    Next steps

    1. Register a second account to verify that the server does not check object ownership.
    2. Begin low-volume enumeration of lower sequential IDs to find early system objects.
    3. Inspect the contents of leaked objects specifically for configuration data or logs.

    Connects securely to your tools. The creator never sees your data.

    What you get

    Perform structured cross-tenant IDOR testing on REST and GraphQL APIs.Enumerate sequential and UUID identifiers to find administrative data.Chain IDOR data leaks to recover cleartext credentials and system keys.Generate professional proof-of-concept steps for security reports.

    About this skill

    The problem

    Vulnerability scanners often miss logic-based access control flaws. Finding IDORs manually is tedious and requires managing multiple sessions and predictable identifier patterns across disparate API endpoints.

    What it does

    • Identifies high-risk endpoints like exports, downloads, and GraphQL nodes for IDOR testing.
    • Provides a structured playbook for cross-account testing between attacker and victim sessions.
    • Explains techniques for decoding and re-encoding Relay-style base64 identifiers.
    • Maps paths from simple IDOR discovery to credential leakage and full system foothold.
    • Guides the enumeration of sequential and UUID-based identifiers without triggering rate limits.

    Why this beats prompting it yourself

    General AI models often give generic web security advice. This skill focuses on the specific mechanics of multi-account testing and the high-value targets (like early sequential IDs) that lead to administrative account compromise.

    Use cases

    • Executing a systematic IDOR audit during a web application penetration test.
    • Chaining data leaks from IDORs into credential harvesting and lateral movement.
    • Testing GraphQL API implementations for improper object-level authorization.
    • Generating professional vulnerability reports with clear cross-tenant proof of concept.

    Known limitations

    Requires two active accounts on the target system to confirm cross-tenant access. Users must adhere to authorized engagement boundaries.

    How to install

    Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.

    ~30 seconds
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      Unzip into your skills folder

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      Ask your agent to use it

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    Recently published to Agensi

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    Security scanned

    Verified clean 6 days ago

    • Passed all security checks, Safe to install

    Listed7 days ago

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