Slingshot
Table of Contents
Overview
Executive Summary
Slingshot is an exceptionally sophisticated, modular Advanced Persistent Threat (APT) platform discovered in 2018 (though believed to be active since at least 2012). It is a highly complex cyber-espionage framework characterized by its unique infection vector—compromising network routers—and its deep integration into the Windows kernel. Slingshot is designed for long-term, stealthy surveillance and data exfiltration from highly secure networks.Infection Vector and Technical Capabilities
Slingshot's most notable characteristic is its initial infection vector. Rather than relying on traditional phishing or exploit kits, the threat actors compromised Mikrotik routers (and potentially others). They modified the router's software to inject a malicious DLL into the legitimate management software downloaded by network administrators, effectively turning the router into a malware distribution point for the internal network. Upon execution on a Windows endpoint, the framework deploys two massive modules:- Cahnadr (Kernel-Mode Module): This module operates deep within the Windows kernel (Ring 0). It acts as a highly advanced rootkit, hiding the malware's presence, providing unfettered access to system resources, and establishing low-level persistence mechanisms that survive reboots and OS upgrades.
- GollumApp (User-Mode Module): This is the primary espionage payload, consisting of nearly 1,500 highly modular functions. It is responsible for comprehensive surveillance: keylogging, screen capturing, stealing passwords, harvesting clipboard data, capturing network traffic, and monitoring USB devices.
- Advanced Evasion: Slingshot utilizes an encrypted virtual file system within the Windows registry to store its modules and stolen data, making forensic analysis exceptionally difficult. It also monitors for security products and can shut itself down to avoid detection.
Threat Assessment
Slingshot represents one of the most advanced cyber-espionage platforms ever discovered. Its ability to compromise network infrastructure (routers) to attack endpoints, combined with its kernel-level rootkit capabilities, indicates it is the tool of a highly resourced, likely state-sponsored actor focused on high-value targets.Incident Response and Remediation
- Infrastructure Audit (Routers): Remediation must begin at the network edge. All network routers (especially Mikrotik) must be audited, firmly patched, and their firmware verified against known-good hashes to eliminate the primary infection vector.
- Deep Forensic Triage: Because Slingshot operates at the kernel level and utilizes encrypted registry file systems, traditional AV scans are insufficient. Specialized forensic analysis (including memory forensics) is required to confirm infection.
- Complete Re-imaging: Any endpoint confirmed to be infected with Slingshot must undergo a complete bare-metal wipe. Due to its advanced persistence, attempting to clean the system is highly risky; re-imaging from a trusted baseline is mandatory.
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 |
|---|---|---|---|
T1014 | Rootkit (Hiding files and processes) | Defense Evasion | ATT&CK ↗ |
T1056 | Input Capture | Credential Access | ATT&CK ↗ |
T1114 | Email Collection (Harvesting addresses for spamming) | Collection | ATT&CK ↗ |
T1542 | Pre-OS Boot | 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.
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-KMC | Kernel Memory Integrity Checking | Harden | T1014 | Enable Hypervisor-Protected Code Integrity (HVCI) and UEFI Secure Boot to prevent unsigned kernel driver execution. |
D3-AHC | API Hook Detection | Detect | T1056 | Deploy kernel and userland EDR drivers to monitor SetWindowsHookEx and low-level keyboard hooks. |
D3-EAM | Email Access Monitoring | Detect | T1114 | Monitor Graph API and MAPI email harvesting routines and alert on bulk email downloads originating from unusual IP addresses. |
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_SLINGSHOT_T1_ARTIFACT {
meta:
description = "Tier 1 Primitive Artifact: Raw string matches for Slingshot"
tier = "T1 - Primitive Artifact"
confidence = "Low-Medium (Fast Triage)"
author = "SystemHelpdesk Threat Research Desk"
date = "2026-10-14"
strings:
$s1 = "slingshot" ascii wide nocase
$s2 = "apt.slingshot" ascii wide nocase
$s3 = "trojan.slingshot" ascii wide nocase
$s4 = "win32/slingshot" 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 - Slingshot (Advanced Threat) Execution & Triage
id: 775b6339-cfa8-5d74-8a98-c97f4e4c937b
status: production
description: Detects execution, defense evasion, and persistence behaviors associated
with the Slingshot 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/slingshot
- 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.t1014
- attack.t1056
- attack.t1114
- attack.t1542
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: highTier 3 Attribution Fingerprint Rule (High Fidelity)
Deep signature matching distinctive operational fingerprints and payload characteristics.
rule MALWARE_WIN_SLINGSHOT_T3_ATTRIBUTION {
meta:
description = "Tier 3 Attribution Fingerprint: Heuristic detection for Slingshot 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 = "slingshot" 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 Slingshot adversary activity.
- Perform full memory dumps across identified staging nodes to extract memory-only implants, kernel rootkit hooks, and decrypted Slingshot 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 Slingshot.
- 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 Slingshot 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 Slingshot 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 Slingshot 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 "slingshot" on VirusTotal (External Analysis)
- Search "slingshot" on Any.Run (Sandbox Sandbox)
- Search "slingshot" on MalwareBazaar (Malware Samples)
Frequently Asked Questions
What is Slingshot and what threat category does it belong to?
Slingshot 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 Slingshot establish persistence and evade defensive controls?
Slingshot 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 Slingshot compromise?
Security teams responding to Slingshot 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 APT.Slingshot leverage in enterprise intrusions?
APT.Slingshot 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 APT.Slingshot maintain covert communications and evade perimeter network monitoring?
APT.Slingshot 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 the Slingshot Advanced_Threat from Windows?
Manual removal of Slingshot 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.
Is Slingshot a virus or a Advanced_Threat?
Slingshot is classified as a Advanced_Threat. Unlike traditional viruses that infect files, modern malware like Slingshot typically operates as a standalone payload designed to compromise systems, steal data, or deploy secondary stage implants.
What are the main symptoms of a Slingshot infection?
Symptoms of Slingshot 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 Slingshot 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/slingshot.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.