performing-blind-ssrf-exploitation

name	performing-blind-ssrf-exploitation
description	Detect and exploit blind Server-Side Request Forgery vulnerabilities using out-of-band techniques, DNS interactions, and timing analysis to access internal services and cloud metadata endpoints. Use when detecting and exploit blind server-side request forgery vulnerabilities using out-of-band.
domain	cybersecurity
tags	["blind-ssrf","ssrf","out-of-band","burp-collaborator","cloud-metadata","internal-network","oob-detection"]
subdomain	web-application-security
version	1.0
author	oyi77
license	Apache-2.0
nist_csf	["PR.PS-01","ID.RA-01","PR.DS-10","DE.CM-01"]

Performing Blind Ssrf Exploitation

Overview

Cybersecurity skill for performing blind ssrf exploitation. Follows industry best practices and security standards.

When to Use

Trigger phrases:

• "performing blind ssrf exploitation"

• "Detect and exploit blind Server-Side Request Forgery vulnerabilities using out-o"

• When testing URL/webhook input parameters where server-side responses are not reflected

• During assessment of applications that fetch external resources (avatars, previews, imports)

• When testing PDF generators, image processors, or document converters for SSRF

• During cloud security assessments to detect metadata endpoint access

• When evaluating webhook functionality and URL validation implementations

When NOT to Use

• When you lack proper authorization for testing
• For production systems without change management
• When the task requires legal or compliance expertise beyond technical scope

Prerequisites

• Burp Suite Professional with Burp Collaborator for OOB detection
• interact.sh or webhook.site for external callback monitoring
• Understanding of SSRF attack vectors and internal network enumeration
• Knowledge of cloud metadata endpoints (AWS, GCP, Azure)
• VPS or controlled server for advanced exploitation callback handling
• Python with requests library for automation scripts

Workflow

# Example: IOC detection
import re

IOC_PATTERNS = {
    "ip": r"\b(?:\d{1,3}\.){3}\d{1,3}\b",
    "domain": r"\b[a-z0-9-]+\.[a-z]{2,}\b",
    "hash_md5": r"\b[a-f0-9]{32}\b",
    "hash_sha256": r"\b[a-f0-9]{64}\b",
}

def extract_iocs(text: str) -> dict:
    return {k: re.findall(v, text) for k, v  IOC_PATTERNS.items()}