ARTEX AI-Powered Attack Infrastructure Exposed: Defending Against Automated Exploitation of Internet-Facing Financial Systems

---
title: Suspicious Web Server Process Execution
id: 550d9a23-0f72-4e3a-a8c5-1d2f3b4c5d6e
status: experimental
description: Detects suspicious command execution from web server processes, which may indicate AI-powered exploitation of internet-facing systems as seen in the ARTEX campaign.
references:
  - https://attack.mitre.org/techniques/T1190/
  - https://securityaffairs.com/202607/ai/inside-artex-ai-hacking-tools-exposed-servers-and-south-korean-bank-breaches.html
author: Security Arsenal
date: 2026/04/06
tags:
  - attack.initial_access
  - attack.t1190
logsource:
  category: process_creation
  product: windows
detection:
  selection:
    ParentImage|endswith:
      - '\w3wp.exe'
      - '\httpd.exe'
      - '\nginx.exe'
      - '\apache.exe'
    Image|endswith:
      - '\cmd.exe'
      - '\powershell.exe'
      - '\pwsh.exe'
      - '\bash.exe'
      - '\sh.exe'
  condition: selection
falsepositives:
  - Legitimate administrative scripts or maintenance activities
level: high
---
title: Automated Scanning Activity from Web Applications
id: 7a3f1c82-9e4b-4d67-bc12-3e5a8f901234
status: experimental
description: Detects automated scanning activity that may indicate AI-powered reconnaissance of internet-facing systems, similar to ARTEX tactics.
references:
  - https://attack.mitre.org/techniques/T1046/
  - https://securityaffairs.com/202607/ai/inside-artex-ai-hacking-tools-exposed-servers-and-south-korean-bank-breaches.html
author: Security Arsenal
date: 2026/04/06
tags:
  - attack.discovery
  - attack.t1046
logsource:
  category: webserver
detection:
  selection:
    - cs-uri-query|contains:
        - 'scan='
        - 'probe='
        - 'test='
        - 'check='
        - 'vuln='
    - sc-status: 404
  condition: selection
falsepositives:
  - Legitimate security scanning or monitoring tools
level: medium
---
title: Suspicious Data Exfiltration Patterns
id: 9c5e2a11-8b3d-4f7a-9c2e-1a4b6d8f0e2a
status: experimental
description: Detects suspicious data access patterns that may indicate AI-powered data exfiltration as observed in the ARTEX financial institution breaches.
references:
  - https://attack.mitre.org/techniques/T1530/
  - https://securityaffairs.com/202607/ai/inside-artex-ai-hacking-tools-exposed-servers-and-south-korean-bank-breaches.html
author: Security Arsenal
date: 2026/04/06
tags:
  - attack.collection
  - attack.t1530
logsource:
  category: file_event
  product: windows
detection:
  selection:
    TargetFilename|contains:
      - 'customer'
      - 'client'
      - 'loan'
      - 'income'
      - 'employment'
      - 'personal'
    Image|endswith:
      - '\sqlservr.exe'
      - '\mysqld.exe'
      - '\postgres.exe'
      - '\oracle.exe'
  condition: selection
falsepositives:
  - Legitimate database backup or reporting activities
level: high

// Hunt for suspicious process execution from web server processes
DeviceProcessEvents
| where InitiatingProcessFileName in~ ("w3wp.exe", "httpd.exe", "nginx.exe", "apache.exe")
| where FileName in~ ("cmd.exe", "powershell.exe", "pwsh.exe", "bash.exe", "sh.exe")
| where ProcessCommandLine has_any ("whoami", "net user", "ipconfig", "systeminfo", "dir", "type")
| project TimeGenerated, DeviceName, InitiatingProcessFileName, FileName, ProcessCommandLine, AccountName
| order by TimeGenerated desc

// Hunt for potential AI-powered scanning activity
CommonSecurityLog
| where DeviceProduct has_any ("IIS", "Apache", "Nginx")
| where RequestURL has_any ("scan", "probe", "test", "check", "vuln")
| where HttpStatusCode == 404
| summarize ScanAttempts = count() by SourceIP, RequestURL
| where ScanAttempts > 10
| order by ScanAttempts desc

// Hunt for suspicious database access patterns
SecurityEvent
| where EventID == 4663
| where ObjectName has_any ("customer", "client", "loan", "income", "employment", "personal")
| where ProcessName has_any ("sqlservr.exe", "mysqld.exe", "postgres.exe", "oracle.exe")
| where AccessMask has_any ("0x2", "0x4") // Write or Read access
| project TimeGenerated, Computer, SubjectUserName, ObjectName, ProcessName, AccessMask
| order by TimeGenerated desc

-- Hunt for suspicious processes spawned by web server processes
SELECT Pid, Name, CommandLine, Exe, Username, CreateTime
FROM pslist()
WHERE Name =~ '(w3wp|httpd|nginx|apache)\.exe$'
   AND CommandLine =~ '(cmd|powershell|pwsh|bash|sh)\.exe'
ORDER BY CreateTime DESC

-- Hunt for potential data exfiltration activities
SELECT Pid, Name, CommandLine, Exe, Username, CreateTime
FROM pslist()
WHERE Name =~ '(sqlservr|mysqld|postgres|oracle)\.exe$'
   AND CommandLine =~ '(customer|client|loan|income|employment|personal)'
ORDER BY CreateTime DESC

-- Hunt for network connections to suspicious destinations
SELECT Pid, Name, LocalAddr, LocalPort, RemoteAddr, RemotePort, State
FROM netstat()
WHERE State == 'ESTABLISHED'
   AND (RemoteAddr =~ '^10\.' OR RemoteAddr =~ '^172\.(1[6-9]|2[0-9]|3[0-1])\.' OR RemoteAddr =~ '^192\.168\.')
   AND Name =~ '(w3wp|httpd|nginx|apache)\.exe$'
ORDER BY Pid

# ARTEX Defense Verification and Hardening Script
# Run with administrative privileges

# Check for web server processes with suspicious child processes
Write-Host "Checking for suspicious web server child processes..." -ForegroundColor Cyan
$webProcesses = Get-Process | Where-Object {$_.ProcessName -match "w3wp|httpd|nginx|apache"}
foreach ($process in $webProcesses) {
    $childProcesses = Get-WmiObject Win32_Process | Where-Object {$_.ParentProcessId -eq $process.Id}
    foreach ($child in $childProcesses) {
        if ($child.Name -match "cmd|powershell|pwsh|bash|sh") {
            Write-Host "Suspicious process detected: $($child.Name) (PID: $($child.ProcessId)) spawned by $($process.ProcessName) (PID: $($process.Id))" -ForegroundColor Red
            Write-Host "Command Line: $($child.CommandLine)" -ForegroundColor Yellow
        }
    }
}

# Check for unusual listening ports on web servers
Write-Host "`nChecking for unusual listening ports..." -ForegroundColor Cyan
$webServers = Get-NetTCPConnection | Where-Object {$_.State -eq "Listen" -and ($_.LocalPort -lt 1024 -or $_.LocalPort -eq 8080 -or $_.LocalPort -eq 8443)}
foreach ($conn in $webServers) {
    $process = Get-Process -Id $conn.OwningProcess -ErrorAction SilentlyContinue
    if ($process -and $process.ProcessName -notmatch "w3wp|httpd|nginx|apache|svchost|System") {
        Write-Host "Unusual listening port: $($conn.LocalPort) owned by $($process.ProcessName) (PID: $($process.Id))" -ForegroundColor Yellow
    }
}

# Check for suspicious files in web directories
Write-Host "`nChecking for suspicious files in web directories..." -ForegroundColor Cyan
$webDirs = @("C:\inetpub\wwwroot", "C:\Apache24\htdocs", "C:\nginx\html", "/var/www/html")
foreach ($dir in $webDirs) {
    if (Test-Path $dir) {
        $suspiciousFiles = Get-ChildItem -Path $dir -Recurse -Include "*.php", "*.asp", "*.aspx", "*.jsp" | 
                          Where-Object {$_.LastWriteTime -gt (Get-Date).AddDays(-7)} | 
                          Select-Object -First 20
        if ($suspiciousFiles) {
            Write-Host "Recently modified web files in $dir :" -ForegroundColor Yellow
            $suspiciousFiles | ForEach-Object { Write-Host "  $($_.FullName) - $($_.LastWriteTime)" -ForegroundColor Yellow }
        }
    }
}

# Check for suspicious scheduled tasks
Write-Host "`nChecking for suspicious scheduled tasks..." -ForegroundColor Cyan
$suspiciousTasks = Get-ScheduledTask | Where-Object {$_.TaskName -notmatch "Microsoft|Windows" -and $_.State -eq "Ready"}
foreach ($task in $suspiciousTasks) {
    $taskInfo = Get-ScheduledTaskInfo -TaskName $task.TaskName
    if ($taskInfo.LastRunTime -gt (Get-Date).AddDays(-7)) {
        Write-Host "Recently run suspicious task: $($task.TaskName) - Last run: $($taskInfo.LastRunTime)" -ForegroundColor Yellow
    }
}

# Check for suspicious services
Write-Host "`nChecking for suspicious services..." -ForegroundColor Cyan
$suspiciousServices = Get-Service | Where-Object {$_.DisplayName -notmatch "Microsoft|Windows" -and $_.Status -eq "Running"}
foreach ($service in $suspiciousServices) {
    $serviceProcess = Get-WmiObject Win32_Service | Where-Object {$_.Name -eq $service.Name}
    if ($serviceProcess -and $serviceProcess.PathName -notmatch "system32|SysWOW64") {
        Write-Host "Suspicious service: $($service.Name) - $($service.DisplayName)" -ForegroundColor Yellow
        Write-Host "  Path: $($serviceProcess.PathName)" -ForegroundColor Yellow
    }
}

# Hardening recommendations
Write-Host "`n=== HARDENING RECOMMENDATIONS ===" -ForegroundColor Green
Write-Host "1. Implement application whitelisting on web servers" -ForegroundColor White
Write-Host "2. Deploy web application firewalls (WAF) with AI/ML capabilities" -ForegroundColor White
Write-Host "3. Enable detailed logging for all internet-facing systems" -ForegroundColor White
Write-Host "4. Implement network segmentation to isolate financial systems" -ForegroundColor White
Write-Host "5. Regularly update and patch all internet-facing systems" -ForegroundColor White
Write-Host "6. Deploy endpoint detection and response (EDR) solutions" -ForegroundColor White
Write-Host "7. Implement multi-factor authentication for all administrative access" -ForegroundColor White
Write-Host "8. Conduct regular security assessments and penetration testing" -ForegroundColor White