Dexter POS Malware Leak

[knyght DF Member Posts:4 Threads:4 Reputation 0]

Dexter is a malware built to steal payment card data from Point-of-Sale systems. A new version was just leaked this is the latest updated build.
What it actually gets

• Complete Track 1 & Track 2 data from card swipes
  
• Card numbers entered manually
  
• Billing information (name, address, zip)
  
• Session cookies and browser details
  

 
Latest updates from the leak

• Modular PHP structure: Now appears as a “payment module” with proper comments
  
• Cloud C2: Uses AWS/Azure IPs rotated via domain generation
  
• Stealth: Writes logs to 
  
  Code:

  /tmp/
   with random names, auto-deletes after 24h
  
• Anti-detection: Checks for security tools (Monit, OSSEC, cPHulk) before activating
  
• Mobile targeting: Now captures mobile checkout forms (Apple Pay/Google Pay proxies)
  

 
Real defenses

• File integrity monitoring on 
  Code:

  gateway.php
   and similar payment files
  
• Regular checks for unknown 
  Code:

  .exe
   files on web servers
  
• Strict FTP/SFTP access with 2FA
  
• Memory protection on POS systems (e.g., McAfee POS Endpoint)
  
• WAF rules blocking unknown PHP files in payment directories
  

 
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