{
  "family": "cybergate",
  "sample_count": 7,
  "category": "trojan",
  "description": "Backdoor:Win32/Cybergate is a highly infamous, commercially available **Remote Access Trojan (RAT)**. Originally marketed on hacker forums as a 'legitimate' remote administration tool (similar to legitimate software like TeamViewer), Cybergate is heavily abused by threat actors ranging from script kiddies to advanced persistent threat (APT) groups. It provides the attacker with total, unrestricted GUI-based control over the compromised endpoint, facilitating espionage, data theft, and lateral movement.<br><br><b>Understanding the Cybergate RAT</b><br>To an end-user, a Cybergate infection might be invisible, or they might notice bizarre behavior: the mouse moving on its own, the webcam light turning on unexpectedly, or files opening by themselves. For a security operations center (SOC), a Cybergate detection is a high-severity incident indicating that a human adversary has interactive, hands-on-keyboard access to the endpoint, bypassing all local security boundaries.<br><br><b>Execution and Control Mechanics</b><br>Cybergate is typically deployed via spear-phishing campaigns with malicious attachments (like weaponized Word documents) or dropped by exploit kits (`T1566`). Upon execution (`T1204.002`), the client payload establishes persistence via Registry Run keys (`T1547.001`) and often injects itself into legitimate processes (`T1055`). It then opens a reverse connection back to the attacker's Command-and-Control (C2) server (`T1071.001`), usually operating over custom TCP ports. The attacker uses a point-and-click control panel to interact with the victim. Cybergate features built-in modules for keylogging (`T1056.001`), remote desktop viewing (`T1078`), file management, audio/webcam recording (`T1125`, `T1123`), and executing secondary payloads.<br><br><b>Indicators of Compromise & Impact</b><br>The impact is total loss of endpoint confidentiality, integrity, and availability. The primary IoC is continuous, persistent outbound network traffic (the reverse shell heartbeat) over non-standard ports to dynamic DNS domains. Host-based IoCs include EDR alerts for process injection, the creation of hidden keylogger log files in the `%AppData%` directory, and anomalous interactive sessions.",
  "cta": "Published by the SystemHelpdesk team.",
  "aliases": [],
  "enrichment_level": "expert-seo",
  "faq": [],
  "faq_count": 0,
  "mitre_attack": [
    "T1055",
    "T1071.001",
    "T1056.001",
    "T1125"
  ],
  "cisa_advisory": null,
  "last_updated": "2026-06-09",
  "mitre_attack_detail": [
    {
      "id": "T1071.001",
      "name": "Application Layer Protocol (C2 communication for the RAT interface)",
      "tactic": "Command and Control"
    },
    {
      "id": "T1056.001",
      "name": "Input Capture: Keylogging (Stealing credentials interactively)",
      "tactic": "Collection"
    },
    {
      "id": "T1125",
      "name": "Video Capture (Webcam surveillance)",
      "tactic": "Collection"
    },
    {
      "id": "T1055",
      "name": "Process Injection (Hiding the RAT client)",
      "tactic": "Defense Evasion"
    }
  ],
  "containment_steps": [
    "Isolate the endpoint from the network instantly. Because a human attacker is actively controlling the system, they may attempt to deploy ransomware if they realize they are discovered.",
    "Do NOT attempt to manually 'fight' the attacker for control of the mouse/keyboard; pull the physical network cable or isolate via EDR.",
    "Capture a live memory image (RAM dump) to extract the Cybergate configuration, which will reveal the C2 IP addresses and ports.",
    "Wipe the infected system entirely and restore from a known-clean baseline image."
  ],
  "what_to_avoid": [
    "Do not reboot the machine if possible, as this will destroy the volatile memory needed to extract the attacker's C2 infrastructure.",
    "Avoid assuming the infection is isolated; an attacker with RAT access will almost always attempt lateral movement across the network."
  ],
  "target_industries": [
    "Global / Opportunistic"
  ],
  "motivation": "Opportunistic",
  "threat_actors": [
    "Unknown / Cybercriminal"
  ],
  "target_geographies": [
    "Global"
  ]
}