Clipspy
Table of Contents
Overview
Executive Summary
ClipSpy is a utility designed to monitor, inspect, and log the contents of the Windows system clipboard. While it can be utilized legitimately by developers debugging clipboard operations, in a corporate security context, it is broadly classified as "Riskware" or a HackTool. Threat actors frequently deploy clipboard monitoring tools to harvest sensitive information—most notably passwords copied from password managers and cryptocurrency wallet addresses.Infection Vector and Technical Capabilities
ClipSpy is not typically self-propagating. It is either downloaded intentionally by an insider threat or dropped as a secondary payload by a broader malware framework (like a RAT or info-stealer) after initial access has been achieved. Upon execution, the tool leverages standard Windows APIs to perform continuous surveillance:- Clipboard Hooking: ClipSpy hooks into the Windows clipboard event chain (often using `SetClipboardViewer` or modern equivalents). This allows the application to be notified immediately whenever new data is copied to the clipboard by any application on the system.
- Data Parsing (Cryptojacking): Malicious use of clipboard monitors often involves regex parsing. The tool actively scans copied text for patterns matching cryptocurrency wallet addresses. If a match is found, the tool may instantly replace the victim's copied address with the attacker's wallet address, ensuring any subsequent transfer goes to the attacker.
- Credential Harvesting: If users utilize password managers but fail to use auto-fill (resorting to copy-pasting passwords), the clipboard monitor will capture the plaintext credentials before they are pasted into the login prompt.
Threat Assessment
The unauthorized presence of a clipboard monitor like ClipSpy is a significant privacy and security risk. It represents a highly effective method for harvesting high-value data (credentials and financial routing information) while bypassing encryption and many traditional network monitoring controls.Incident Response and Remediation
- Investigate the Source: Determine how the tool was introduced to the environment. If it was installed by an employee, investigate for potential insider threat activity. If dropped by another process, a broader malware infection is underway.
- Comprehensive Credential Reset: If the tool was active, it must be assumed that any password copied on that machine has been compromised. All relevant credentials must be reset immediately.
- Process Termination and Removal: The tool can typically be removed using standard enterprise anti-malware solutions. Ensure that any associated persistence mechanisms (like registry `Run` keys or Scheduled Tasks) that launch the monitor at boot are completely purged.
Known aliases
Threat reports may refer to this family under multiple names:
MITRE ATT&CK Techniques
Observed techniques used by this family, mapped to our technical analysis hubs and the official MITRE ATT&CK framework:
| Technique | Name | Tactic | Official Spec |
|---|---|---|---|
T1115 | Clipboard Data | Collection | ATT&CK ↗ |
T1056 | Input Capture | Credential Access | ATT&CK ↗ |
T1059.001 | Command and Scripting Interpreter: PowerShell (Used in infection chain) | Execution | ATT&CK ↗ |
T1055 | Process Injection | Defense Evasion | ATT&CK ↗ |
T1071.001 | Application Layer Protocol: Web Protocols (C2 Communication) | Command and Control | ATT&CK ↗ |
T1027 | Obfuscated Files or Information | Defense Evasion | ATT&CK ↗ |
Tactical Mitigations
Based on the techniques used by this family, consider the following defensive strategies:
- T1056: Monitor for unauthorized keylogging, screen capturing, or web browser API hooking. Deploy EDR to detect API hooking.
- T1059.001: Restrict execution of PowerShell. Enforce PowerShell Constrained Language Mode and Script Block Logging.
- T1071.001: Implement web filtering and SSL/TLS inspection to detect malicious command and control (C2) traffic hiding in HTTP/HTTPS.
MITRE D3FEND™ Defensive Countermeasures
Defensive techniques mapped to counter the offensive tradecraft observed in this family (via the MITRE D3FEND matrix):
| D3FEND ID | Countermeasure Name | Tactic | Countered ATT&CK | Defensive Guidance |
|---|---|---|---|---|
D3-BDA | Binary De-obfuscation & Unpacking | Analyze | T1027 | Utilize memory dump scanners and entropy inspection to unpack encrypted stagers during process creation. |
D3-PIAD | Process Injection Analysis & Detection | Detect | T1055 | Monitor cross-process thread creation (CreateRemoteThread) and asynchronous procedure calls (QueueUserAPC). |
D3-AHC | API Hook Detection | Detect | T1056 | Deploy kernel and userland EDR drivers to monitor SetWindowsHookEx and low-level keyboard hooks. |
D3-PSBL | PowerShell Script Block Logging | Detect | T1059.001 | Enable PowerShell event ID 4104 and Constrained Language Mode to neuter obfuscated script payloads. |
D3-WAF | Web Content Filtering & Inspection | Filter | T1071.001 | Block newly registered domains (NRDs) and inspect HTTP Host and URI headers for known C2 profiles. |
D3-CAC | Clipboard Access Control | Isolate | T1115 | Isolate virtual desktop infrastructure (VDI) clipboards and alert on rapid background clipboard querying by non-foreground processes. |
Tiered Detection Rules (Cisco CAIRN Model)
Modern threat detection requires multi-layered rule engineering. We classify detections into three operational tiers based on signal fidelity:
Tier 1 Primitive Artifact Rule (Fast Triage)
Matches raw strings and file markers. Vulnerable to binary repacking and simple obfuscation.
rule MALWARE_WIN_CLIPSPY_T1_ARTIFACT {
meta:
description = "Tier 1 Primitive Artifact: Raw string matches for Clipspy"
tier = "T1 - Primitive Artifact"
confidence = "Low-Medium (Fast Triage)"
author = "SystemHelpdesk Threat Research Desk"
date = "2026-10-14"
strings:
$s1 = "clipspy" ascii wide nocase
$s2 = "riskware.clipspy" ascii wide nocase
$s3 = "hacktool.clipboardmonitor" ascii wide nocase
$s4 = "pup.clipspy" ascii wide nocase
condition:
uint16(0) == 0x5a4d and any of them
}
Tier 2 Behavioral Context Rule (Process Chains & Sigma)
Tracks parent-child process anomalies and suspicious scripting telemetry. Resilient against file renames.
title: SystemHelpDesk Detection - Clipspy (Advanced Threat) Execution & Triage
id: 851ebd7c-436c-5dfa-88c2-2a34a04ac538
status: production
description: Detects execution, defense evasion, and persistence behaviors associated
with the Clipspy malware family. Detects proxy execution, reflective DLL loading,
and remote command injection associated with modular enterprise backdoors.
references:
- https://malware-families-catalog.systemhelpdesk.com/families/clipspy
- https://malware-families-catalog.systemhelpdesk.com/defensive/backdoor-rat-protection
- https://malware-families-catalog.systemhelpdesk.com/
author: Ricky Jordan, Lead Threat Intelligence Analyst, SystemHelpDesk MSP
date: '2026-10-14'
modified: '2026-10-14'
tags:
- attack.advanced-threat
- author.ricky-jordan
- source.systemhelpdesk-mfc
- attack.t1115
- attack.t1056
- attack.t1059_001
- attack.t1055
- attack.t1071_001
logsource:
category: process_creation
product: windows
detection:
selection_process:
Image|endswith:
- \powershell.exe
- \cmd.exe
- \rundll32.exe
- \regsvr32.exe
CommandLine|contains:
- DownloadString
- IEX(
- '/s /n /u /i:'
- sc create
- start-process
condition: selection_process
falsepositives:
- Legitimate enterprise administrative scripts during approved change windows
- Authorized IT software deployment utilities and backup management agents
level: high
Tier 3 Attribution Fingerprint Rule (High Fidelity)
Deep signature matching distinctive operational fingerprints and payload characteristics.
rule MALWARE_WIN_CLIPSPY_T3_ATTRIBUTION {
meta:
description = "Tier 3 Attribution Fingerprint: Heuristic detection for Clipspy tradecraft"
tier = "T3 - Attribution Fingerprint"
confidence = "High (Confirmed Family Signature)"
author = "SystemHelpdesk Threat Research Desk"
date = "2026-10-14"
strings:
// Core family identifier & heuristic payload signatures
$attrib_str = "clipspy" ascii wide nocase
$pe_magic = "MZ" ascii
$net_marker = "http" ascii nocase
condition:
uint16(0) == 0x5a4d and ($attrib_str and $net_marker) and filesize < 15MB
}
Containment & Response Steps
Ordered checklist for responders. Adapt to your environment and engage professional support for active incidents.
- Enforce forensic network isolation on all suspected endpoints while maintaining an out-of-band telemetry conduit to capture live Clipspy adversary activity.
- Perform full memory dumps across identified staging nodes to extract memory-only implants, kernel rootkit hooks, and decrypted Clipspy C2 infrastructure IP/domain lists.
- Review Active Directory domain controller authentication logs for anomalous Kerberos ticket requests (Pass-the-Ticket, Golden Ticket) and unauthorized DCSync operations associated with Clipspy.
- Block all confirmed C2 domains, dynamic DNS endpoints, and proxy IP addresses across perimeter firewalls, proxies, and DNS security gateways.
- Conduct an enterprise-wide sweep across surrounding subnets for secondary webshells, WMI event subscriptions, or remote execution tooling left behind by Clipspy operators.
What to Avoid
Common mistakes during response to this family that can destroy evidence, spread the infection, or worsen recovery.
- Do not assume the incident is resolved simply because an antivirus tool removed the initial Clipspy dropper; always verify that secondary payloads and persistence hooks have been eradicated.
- Avoid logging in with Domain Admin or privileged credentials on a machine suspected of running Clipspy until memory triage is complete.
- Do not delay host isolation; automated lateral movement and credential dumping can occur within minutes of initial execution.
References & External Analysis
- Search "clipspy" on VirusTotal (External Analysis)
- Search "clipspy" on Any.Run (Sandbox Sandbox)
- Search "clipspy" on MalwareBazaar (Malware Samples)
Frequently Asked Questions
What is Clipspy and what threat category does it belong to?
Clipspy is classified as a Advanced Threat. Documented across security telemetry, it is engineered to execute unauthorized operations, establish persistent footholds on target endpoints, and facilitate malicious campaigns targeting enterprise and individual environments.
How does Clipspy establish persistence and evade defensive controls?
Clipspy typically establishes persistence through registry run keys, scheduled tasks, or service installations, while evading signature-based antivirus solutions through code obfuscation, memory injection, or anti-analysis sandbox checks.
What are the essential incident response steps for mitigating a Clipspy compromise?
Security teams responding to Clipspy should immediately isolate affected endpoints from the network, perform memory triage to capture volatile forensic artifacts, audit registry and startup persistence mechanisms, revoke exposed user credentials, and restore systems from verified, clean backups.
What lateral movement and credential access tactics does Riskware.ClipSpy leverage in enterprise intrusions?
Riskware.ClipSpy frequently utilizes privileged account harvesting techniques such as LSASS memory dumping, Kerberoasting, and token impersonation to escalate privileges. Once administrative credentials are acquired, it pivots across the victim network utilizing living-off-the-land binaries (LOLBins) such as WMI, PowerShell remoting, and PsExec, or abuses remote desktop protocols (RDP) to reach critical internal repositories and domain controllers.
How does Riskware.ClipSpy maintain covert communications and evade perimeter network monitoring?
Riskware.ClipSpy often relies on multi-stage command and control (C2) architectures utilizing encrypted protocols over standard web ports (HTTPS/443 or DNS tunneling) to blend in with legitimate enterprise network traffic. Many variants incorporate proxy networks, domain fronting, or cloud services (such as Microsoft Graph API, Google Drive, or Telegram) to masquerade C2 channels, bypassing traditional signature-based egress filtering.
How do I remove Clipspy from Windows?
Manual removal of Clipspy is highly discouraged as it may leave persistence mechanisms intact. We recommend disconnecting the device from the internet and utilizing a professional incident response service or enterprise-grade EDR software to conduct a full forensic sweep.
What are the main symptoms of a Clipspy infection?
Symptoms of Clipspy can include unexpected system slowness, unauthorized outbound network traffic to unknown IP addresses, disabled security software, and suspicious background processes running from AppData or Temp directories.
Protect Your Network Against Advanced_Threats
Want to prevent Clipspy and similar threats from compromising your organization? Read our comprehensive defensive guide: Think You've Been Hacked? What To Do First.
📣 Threat Intel Correction or Update?
Notice an outdated IOC, unlisted alias, or disputed attribution? Threat researchers are invited to propose an update on GitHub or contact the SystemHelpDesk research desk. All community revisions are credited in our public CHANGELOG.
Machine-readable
Get this profile as JSON: https://malware-families-catalog.systemhelpdesk.com/api/clipspy.json
Ecosystem & Interactive Environments
This profile is part of the Malware Families Catalog, a public dataset of 2,899 malware families. The catalog is also published across our ecosystem: Hugging Face, Kaggle, Zenodo, Replit, StackBlitz, CodeSandbox, and CodePen.