{
  "family": "adodb",
  "sample_count": 2,
  "category": "backdoor",
  "description": "Adodb (classified in antivirus detection telemetry under designations including Backdoor:Win32/Adodb, Backdoor.Win32.Adodb, and Win32/Adodb) is a interactive remote access trojan and backdoor providing remote threat actors with unauthorized terminal control, file manipulation, and surveillance. Disseminated across enterprise networks and consumer workstations via social engineering, phishing attachments, malicious drive-by downloads, or weaponized software cracks, Adodb executes an initial reconnaissance phase upon system ingress. The binary evaluates host privileges, detects active hypervisors and sandbox environments to evade behavioral analysis, and establishes resilient autostart persistence by configuring registry keys under HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Run or registering background Windows services. Operational mechanics characteristic of this family include reverse shell connections, process hollowing, privilege escalation, and lateral movement reconnaissance. Outbound communication is established with remote threat actor infrastructure to beacon operational status and receive tasking, posing significant security risks to data integrity and host availability.",
  "cta": "Published by the SystemHelpdesk Threat Intelligence Team.",
  "aliases": [
    "Backdoor:Win32/Adodb",
    "Backdoor.Win32.Adodb",
    "Win32/Adodb"
  ],
  "enrichment_level": "curated_sourced",
  "faq": [
    {
      "@type": "Question",
      "name": "What is Backdoor:Win32/Adodb?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Adodb is a backdoor threat designed to infiltrate Windows systems and execute unauthorized operations without user consent."
      }
    },
    {
      "@type": "Question",
      "name": "How does Adodb compromise target systems?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "It commonly infiltrates systems via phishing emails, trojanized software installers, exploit kits, or unpatched vulnerabilities."
      }
    },
    {
      "@type": "Question",
      "name": "What persistence mechanisms does Adodb utilize?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "It typically creates autostart entries in the Windows Registry (HKCU/HKLM Run keys), registers scheduled tasks, or installs hidden background services."
      }
    },
    {
      "@type": "Question",
      "name": "What risks does Adodb pose to an enterprise?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "It can lead to credential theft, system manipulation, unauthorized remote access, data loss, or secondary malware delivery."
      }
    },
    {
      "@type": "Question",
      "name": "How can administrators detect and eliminate Adodb?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Deploy modern EDR solutions with updated behavioral signatures, isolate infected endpoints, audit autostart persistence entries, and conduct full antimalware scans."
      }
    }
  ],
  "faq_count": 5,
  "mitre_attack": [
    "T1059.003",
    "T1055",
    "T1573",
    "T1547.001",
    "T1070"
  ],
  "cisa_advisory": null,
  "last_updated": "2026-10-15",
  "mitre_attack_detail": [
    {
      "id": "T1505.003",
      "name": "Server Software Component: Web Shell (The core backdoor mechanism)",
      "tactic": "Persistence"
    },
    {
      "id": "T1190",
      "name": "Exploit Public-Facing Application (The typical initial infection vector)",
      "tactic": "Initial Access"
    },
    {
      "id": "T1059.005",
      "name": "Command and Scripting Interpreter: Visual Basic (VBScript within the ASP file)",
      "tactic": "Execution"
    }
  ],
  "containment_steps": [
    "Immediately take the compromised web server offline or isolate it from the internal network to prevent lateral movement and database exfiltration.",
    "Locate and quarantine the specific `.asp` or `.aspx` web shell script identified by the alert.",
    "Conduct a comprehensive forensic review of the IIS/Apache access logs to determine how the shell was uploaded and what commands the attacker executed.",
    "Audit all backend databases connected to the web server for unauthorized access or data exfiltration."
  ],
  "what_to_avoid": [
    "Do not simply delete the web shell and bring the server back online; you must identify and patch the vulnerability that allowed the upload in the first place.",
    "Avoid trusting the integrity of any application code or configuration files on the compromised server; they may have been modified via the shell."
  ],
  "target_industries": [
    "Global / Opportunistic"
  ],
  "motivation": "Opportunistic",
  "threat_actors": [
    "Unknown / Cybercriminal"
  ],
  "target_geographies": [
    "Global"
  ],
  "attack_stage": [
    "persistence",
    "command_and_control",
    "remote_access"
  ],
  "ecosystem": [
    "windows_pe"
  ],
  "is_emerging": false,
  "sources": [
    {
      "name": "Microsoft Defender Threat Encyclopedia - Backdoor:Win32/Adodb",
      "url": "https://www.microsoft.com/en-us/wdsi/threats/malware-encyclopedia-description?Name=Backdoor:Win32/Adodb"
    },
    {
      "name": "Kaspersky Threat Intelligence - Backdoor.Win32.Adodb",
      "url": "https://threats.kaspersky.com/en/threat/"
    },
    {
      "name": "MITRE ATT&CK - Enterprise Techniques",
      "url": "https://attack.mitre.org/techniques/T1059.003/"
    }
  ],
  "target_platforms": [
    "Windows 11",
    "Windows 10",
    "Windows Server 2022",
    "Windows Server 2019"
  ]
}