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S0633 Sliver

Sliver is an open source, cross-platform, red team command and control (C2) framework written in Golang. Sliver includes its own package manager, “armory,” for staging and downloading additional tools and payloads to the primary C2 framework.21

Item Value
ID S0633
Associated Names
Type TOOL
Version 2.0
Created 30 July 2021
Last Modified 24 March 2025
Navigation Layer View In ATT&CK® Navigator

Techniques Used

Domain ID Name Use
enterprise T1548 Abuse Elevation Control Mechanism -
enterprise T1548.002 Bypass User Account Control Sliver can leverage multiple techniques to bypass User Account Control (UAC) on Windows systems.1
enterprise T1134 Access Token Manipulation Sliver has the ability to manipulate user tokens on targeted Windows systems.24
enterprise T1071 Application Layer Protocol Sliver can utilize the Wireguard VPN protocol for command and control.1
enterprise T1071.001 Web Protocols Sliver has the ability to support C2 communications over HTTP and HTTPS.82413
enterprise T1071.004 DNS Sliver can support C2 communications over DNS.82713
enterprise T1059 Command and Scripting Interpreter -
enterprise T1059.001 PowerShell Sliver has built-in functionality to launch a Powershell command prompt.1
enterprise T1132 Data Encoding -
enterprise T1132.001 Standard Encoding Sliver can use standard encoding techniques like gzip and hex to ASCII to encode the C2 communication payload.6
enterprise T1001 Data Obfuscation -
enterprise T1001.002 Steganography Sliver can encode binary data into a .PNG file for C2 communication.6
enterprise T1573 Encrypted Channel -
enterprise T1573.001 Symmetric Cryptography Sliver can use AES-GCM-256 to encrypt a session key for C2 message exchange.9
enterprise T1573.002 Asymmetric Cryptography Sliver can use mutual TLS and RSA cryptography to exchange a session key.82913
enterprise T1041 Exfiltration Over C2 Channel Sliver can exfiltrate files from the victim using the download command.13
enterprise T1083 File and Directory Discovery Sliver can enumerate files on a target system.5
enterprise T1105 Ingress Tool Transfer Sliver can download additional content and files from the Sliver server to the client residing on the victim machine using the upload command.121
enterprise T1027 Obfuscated Files or Information Sliver obfuscates configuration and other static files using native Go libraries such as garble and gobfuscate to inhibit configuration analysis and static detection.3
enterprise T1027.004 Compile After Delivery Sliver includes functionality to retrieve source code and compile locally prior to execution in victim environments.1
enterprise T1027.013 Encrypted/Encoded File Sliver can encrypt strings at compile time.24
enterprise T1003 OS Credential Dumping -
enterprise T1003.001 LSASS Memory Sliver has a built-in procdump command allowing for retrieval of memory from processes such as lsass.exe for credential harvesting.1
enterprise T1055 Process Injection Sliver includes multiple methods to perform process injection to migrate the framework into other, potentially privileged processes on the victim machine.3124
enterprise T1090 Proxy -
enterprise T1090.001 Internal Proxy Sliver has a built-in SOCKS5 proxying capability allowing for Sliver clients to proxy network traffic through other clients within a victim network.1
enterprise T1113 Screen Capture Sliver can take screenshots of the victim’s active display.11
enterprise T1558 Steal or Forge Kerberos Tickets -
enterprise T1558.001 Golden Ticket Sliver incorporates the Rubeus framework to allow for Kerberos ticket manipulation, specifically for forging Kerberos Golden Tickets.1
enterprise T1016 System Network Configuration Discovery Sliver has the ability to gather network configuration information.10
enterprise T1049 System Network Connections Discovery Sliver can collect network connection information.14

Groups That Use This Software

ID Name References
G1021 Cinnamon Tempest 16
G0127 TA551 1
G0016 APT29 817

References

  1. Cybereason Global SOC and Incident Response Team. (n.d.). Sliver C2 Leveraged by Many Threat Actors. Retrieved March 24, 2025. ↩↩↩↩↩↩↩↩↩↩↩↩↩↩

  2. Kervella, R. (2019, August 4). Cross-platform General Purpose Implant Framework Written in Golang. Retrieved July 30, 2021. ↩↩↩↩↩↩↩

  3. Microsoft Security Experts. (2022, August 24). Looking for the ‘Sliver’ lining: Hunting for emerging command-and-control frameworks. Retrieved March 24, 2025. ↩↩↩↩↩

  4. BishopFox. (n.d.). Sliver. Retrieved September 15, 2021. ↩↩↩↩

  5. BishopFox. (2021, August 18). Sliver Filesystem. Retrieved September 22, 2021. ↩

  6. BishopFox. (n.d.). Sliver HTTP(S) C2. Retrieved September 16, 2021. ↩↩

  7. BishopFox. (n.d.). Sliver DNS C2 . Retrieved September 15, 2021. ↩

  8. NCSC, CISA, FBI, NSA. (2021, May 7). Further TTPs associated with SVR cyber actors. Retrieved July 29, 2021. ↩↩↩↩

  9. BishopFox. (n.d.). Sliver Transport Encryption. Retrieved September 16, 2021. ↩↩

  10. BishopFox. (n.d.). Sliver Ifconfig. Retrieved September 16, 2021. ↩

  11. BishopFox. (n.d.). Sliver Screenshot. Retrieved September 16, 2021. ↩

  12. BishopFox. (n.d.). Sliver Upload. Retrieved September 16, 2021. ↩

  13. BishopFox. (n.d.). Sliver Download. Retrieved September 16, 2021. ↩

  14. BishopFox. (n.d.). Sliver Netstat. Retrieved September 16, 2021. ↩

  15. Venere, G. Neal, C. (2022, June 21). Avos ransomware group expands with new attack arsenal. Retrieved January 11, 2023. ↩

  16. Microsoft. (2022, May 9). Ransomware as a service: Understanding the cybercrime gig economy and how to protect yourself. Retrieved March 10, 2023. ↩

  17. Secureworks CTU. (n.d.). IRON HEMLOCK. Retrieved February 22, 2022. ↩