{
  "family": "proxygate",
  "sample_count": 1,
  "category": "advanced_threat",
  "description": "<h3>Executive Summary</h3>\nProxyGate is an application typically classified as Riskware or a Potentially Unwanted Program (PUP) by enterprise security environments. It operates as a localized proxy server or VPN client, purportedly designed to allow users to bypass geo-restrictions or web filters. However, in a corporate setting, ProxyGate acts as an unauthorized proxy that actively subverts established security perimeters, data loss prevention (DLP) controls, and acceptable use policies.\n\n<h3>Infection Vector and Technical Capabilities</h3>\nProxyGate is rarely distributed via exploits; it is almost always intentionally downloaded by an insider threat (an employee attempting to bypass the corporate firewall) or bundled silently alongside \"freeware\" software downloaded from third-party aggregators.\n\nUpon installation, it fundamentally alters the endpoint's network routing:\n<ul>\n<li><strong>Security Perimeter Evasion:</strong> The software establishes an encrypted tunnel to external, third-party proxy servers. This tunnels all web traffic (HTTP/HTTPS) out of the network, completely bypassing the corporate firewall, content filters, and Intrusion Detection Systems (IDS).</li>\n<li><strong>Data Exfiltration Risk:</strong> Because the traffic is routed outside of corporate visibility, ProxyGate creates a massive blind spot. Employees can intentionally or accidentally upload sensitive intellectual property to external sites without triggering DLP alerts.</li>\n<li><strong>Traffic Hijacking (In some variants):</strong> Some aggressive \"freeware\" proxy tools operate on a P2P model, essentially turning the infected corporate endpoint into an exit node for other external users, consuming corporate bandwidth and associating the company's IP address with unknown external traffic.</li>\n</ul>\n\n<h3>Threat Assessment</h3>\nThe primary threat of ProxyGate is not file destruction, but the total loss of network visibility and control. It facilitates data exfiltration, allows the introduction of malware by bypassing web filters, and creates significant compliance and legal liabilities for the organization.\n\n<h3>Incident Response and Remediation</h3>\n<ul>\n<li><strong>Application Whitelisting / Blocking:</strong> Use endpoint management tools to forcibly uninstall the ProxyGate application. More importantly, enforce strict Application Control (Whitelisting) to prevent users from executing unauthorized VPN or proxy executables in the future.</li>\n<li><strong>DNS and Firewall Enforcement:</strong> Analyze the outbound DNS requests made by ProxyGate and block those domains at the perimeter firewall. Ensure that outbound traffic on non-standard ports is strictly regulated.</li>\n<li><strong>HR and Policy Review:</strong> Because this software is often installed intentionally to bypass security controls, the incident should be reported to management or HR to enforce the organization's Acceptable Use Policy (AUP).</li>\n</ul>",
  "cta": "Published by the SystemHelpdesk team.",
  "aliases": [
    "Riskware.ProxyGate",
    "PUP.ProxyTool",
    "Tool.VPNBypass"
  ],
  "enrichment_level": "insufficient_information",
  "faq": [],
  "faq_count": 0,
  "mitre_attack": [
    "T1090.003",
    "T1562.001"
  ],
  "cisa_advisory": null,
  "last_updated": "2026-07-02T07:41:56Z",
  "type": "Riskware / Proxy Tool",
  "target_industries": [
    "Global / Opportunistic"
  ],
  "motivation": "Opportunistic",
  "threat_actors": [
    "Unknown / Cybercriminal"
  ],
  "target_geographies": [
    "Global"
  ]
}