EdTech Crisis: Countering ShinyHunters & FulcrumSec Data Exfiltration

---
title: Potential SQL Injection via ShinyHunters Patterns
id: 8a2c1d3e-4f5a-6b7c-8d9e-0f1a2b3c4d5e
status: experimental
description: Detects common SQL injection patterns often used by ShinyHunters in web access logs or application firewalls.
references:
  - https://securityaffairs.com/193777/data-breach/edtech-faces-a-cybersecurity-crisis-data-breaches-surge.html
author: Security Arsenal
date: 2026/04/22
tags:
  - attack.initial_access
  - attack.t1190
  - attack.web_shell
logsource:
  category: web
  product: apache
detection:
  selection:
    c-uri|contains:
      - 'UNION SELECT'
      - 'OR 1=1'
      - 'ORDER BY 1'
      - 'concat(0x'
      - 'benchmark('
  condition: selection
falsepositives:
  - Legitimate testing by developers (rare in production)
level: high
---
title: Suspicious Database Dump Process via Web Server
id: 9b3d2e4f-5g6h-7i8j-9k0l-1m2n3o4p5q6r
status: experimental
description: Detects database dumping tools (mysqldump, pg_dump) spawned by a web server user, indicating potential RCE or SQLi-to-shell.
references:
  - https://securityaffairs.com/193777/data-breach/edtech-faces-a-cybersecurity-crisis-data-breaches-surge.html
author: Security Arsenal
date: 2026/04/22
tags:
  - attack.collection
  - attack.t1005
logsource:
  category: process_creation
  product: linux
detection:
  selection:
    ParentImage|endswith:
      - '/apache2'
      - '/httpd'
      - '/nginx'
    Image|endswith:
      - '/mysqldump'
      - '/pg_dump'
      - '/sqlite3'
  condition: selection
falsepositives:
  - Authorized administrative backups initiated via web interface
level: critical
---
title: High Volume Outbound Data Transfer from Database Server
id: 0c4e5f6g-7h8i-9j0k-1l2m-3n4o5p6q7r8s
status: experimental
description: Detects significant egress traffic from a database server port to a non-standard external port, common in data exfiltration.
references:
  - https://securityaffairs.com/193777/data-breach/edtech-faces-a-cybersecurity-crisis-data-breaches-surge.html
author: Security Arsenal
date: 2026/04/22
tags:
  - attack.exfiltration
  - attack.t1041
logsource:
  category: network_connection
  product: linux
detection:
  selection:
    SrcPort:
      - 3306 # MySQL
      - 5432 # PostgreSQL
    DstPortNot:
      - 3306
      - 5432
    Initiated: true
  filter:
    DstIp|cidr:
      - '10.0.0.0/8'
      - '172.16.0.0/12'
      - '192.168.0.0/16'
  condition: selection and not filter
falsepositives:
  - Legitimate replication to external cloud DB instances
level: medium

// Hunt for SQL Injection patterns in Syslog/CEF logs from Web Servers
Syslog
| where Facility in ("http", "nginx", "apache") or ProcessName contains "http"
| extend RequestUrl = extract(@'GET\s+(.*?)\s+HTTP', 1, SyslogMessage)
| extend RequestUrl = coalesce(RequestUrl, extract(@'POST\s+(.*?)\s+HTTP', 1, SyslogMessage))
| where isnotempty(RequestUrl)
| where RequestUrl matches regex @"(?i)(union\s+select|or\s+1=1|order\s+by\s+\d|waitfor\s+delay|concat\(0x)"
| project TimeGenerated, ComputerIP, RequestUrl, SyslogMessage
| summarize count() by ComputerIP, RequestUrl, bin(TimeGenerated, 5m)
| order by count_ desc

-- Hunt for common webshell filenames or access log anomalies
SELECT FullPath, Size, Mtime, Mode
FROM glob(globs='/var/www/html/**/*.php')
WHERE 
  -- Detect recently modified PHP files (last 7 days)
  Mtime > now() - 7D 
  AND 
  -- Detect suspicious base64 strings often found in obfuscated webshells
  grep(source=FullPath, pattern='eval\(base64_decode')

-- Hunt for database dump processes
SELECT Pid, Name, CommandLine, Exe, Username
FROM pslist()
WHERE Name =~ 'mysqldump'
  AND Username =~ 'www-data'

#!/bin/bash
# EdTech Hardening Script - Checks for common web misconfigurations
# Run with elevated privileges

LOG_FILE="/var/log/edtech_hardening_$(date +%Y%m%d).log"
echo "Starting EdTech Hardening Check..." | tee -a "$LOG_FILE"

# 1. Check for directory listing enabled in common configs (Apache/Nginx)
echo "[+] Checking for Directory Listing..." | tee -a "$LOG_FILE"
if grep -R "Options +Indexes" /etc/apache2/sites-enabled/ 2>/dev/null; then
    echo "WARNING: Directory Listing enabled in Apache. Disable with 'Options -Indexes'." | tee -a "$LOG_FILE"
fi
if grep -R "autoindex on;" /etc/nginx/ 2>/dev/null; then
    echo "WARNING: Directory Listing enabled in Nginx. Disable with 'autoindex off;'." | tee -a "$LOG_FILE"
fi

# 2. Check world-writable files in web root
echo "[+] Checking for world-writable files in web root..." | tee -a "$LOG_FILE"
if find /var/www/html -perm -o+w -type f 2>/dev/null | head -n 5; then
    echo "WARNING: World-writable files found. Remove write permissions." | tee -a "$LOG_FILE"
fi

# 3. Ensure MySQL is not listening on all interfaces if not required
echo "[+] Checking Database Bind Address..." | tee -a "$LOG_FILE"
if netstat -tuln | grep :3306 | grep "0.0.0.0" > /dev/null; then
    echo "WARNING: MySQL listening on 0.0.0.0. Bind to 127.0.0.1 if remote access is not needed." | tee -a "$LOG_FILE"
fi

echo "Hardening check complete. Review $LOG_FILE."