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Empire

Empire is an open source, cross-platform remote administration and post-exploitation framework that is publicly available on GitHub. While the tool itself is primarily written in Python, the post-exploitation agents are written in pure PowerShell for Windows and Python for Linux/macOS. Empire was one of five tools singled out by a joint report on public hacking tools being widely used by adversaries.[1][2][3]

ID: S0363
Associated Software: EmPyre, PowerShell Empire
Type: TOOL
Platforms: Linux, macOS, Windows
Version: 1.1
Created: 11 March 2019
Last Modified: 30 March 2020

Associated Software Descriptions

Name Description
EmPyre

[2]
PowerShell Empire

[2]
Enterprise Layer
download view

Techniques Used

Domain ID Name Use
Enterprise T1548 .002 Abuse Elevation Control Mechanism: Bypass User Account Control

Empire includes various modules to attempt to bypass UAC for escalation of privileges.[2]
Enterprise T1134 Access Token Manipulation

Empire can use PowerSploit's Invoke-TokenManipulation to manipulate access tokens.[2]
.002 Create Process with Token

Empire can use Invoke-RunAs to make tokens.[2]
.005 SID-History Injection

Empire can add a SID-History to a user if on a domain controller.[2]
Enterprise T1087 .002 Account Discovery: Domain Account

Empire can acquire local and domain user account information.[2]
.001 Account Discovery: Local Account

Empire can acquire local and domain user account information.[2]
Enterprise T1071 .001 Application Layer Protocol: Web Protocols

Empire can conduct command and control over protocols like HTTP and HTTPS.[2]
Enterprise T1560 Archive Collected Data

Empire can ZIP directories on the target system.[2]
Enterprise T1547 .005 Boot or Logon Autostart Execution: Security Support Provider

Empire can enumerate Security Support Providers (SSPs) as well as utilize PowerSploit's Install-SSP and Invoke-Mimikatz to install malicious SSPs and log authentication events.[2]
.009 Boot or Logon Autostart Execution: Shortcut Modification

Empire can persist by modifying a .LNK file to include a backdoor.[2]
.001 Boot or Logon Autostart Execution: Registry Run Keys / Startup Folder

Empire can modify the registry run keys HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run and HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run for persistence.[2]
Enterprise T1217 Browser Bookmark Discovery

Empire has the ability to gather browser data such as bookmarks and visited sites.[2]
Enterprise T1115 Clipboard Data

Empire can harvest clipboard data on both Windows and macOS systems.[2]
Enterprise T1059 Command and Scripting Interpreter

Empire uses a command-line interface to interact with systems.[2]
.003 Windows Command Shell

Empire has modules for executing scripts.[2]
.001 PowerShell

Empire leverages PowerShell for the majority of its client-side agent tasks. Empire also contains the ability to conduct PowerShell remoting with the Invoke-PSRemoting module.[2][1]
Enterprise T1136 .001 Create Account: Local Account

Empire has a module for creating a local user if permissions allow.[2]
.002 Create Account: Domain Account

Empire has a module for creating a new domain user if permissions allow.[2]
Enterprise T1543 .003 Create or Modify System Process: Windows Service

Empire can utilize built-in modules to modify service binaries and restore them to their original state.[2]
Enterprise T1555 .003 Credentials from Password Stores: Credentials from Web Browsers

Empire can use modules that extract passwords from common web browsers such as Firefox and Chrome.[2]
Enterprise T1484 .001 Domain Policy Modification: Group Policy Modification

Empire can use New-GPOImmediateTask to modify a GPO that will install and execute a malicious Scheduled Task/Job.[2]
Enterprise T1482 Domain Trust Discovery

Empire has modules for enumerating domain trusts.[2]
Enterprise T1114 .001 Email Collection: Local Email Collection

Empire has the ability to collect emails on a target system.[2]
Enterprise T1573 .002 Encrypted Channel: Asymmetric Cryptography

Empire can use TLS to encrypt its C2 channel.[2]
Enterprise T1546 .008 Event Triggered Execution: Accessibility Features

Empire can leverage WMI debugging to remotely replace binaries like sethc.exe, Utilman.exe, and Magnify.exe with cmd.exe.[2]
Enterprise T1041 Exfiltration Over C2 Channel

Empire can send data gathered from a target through the command and control channel.[2]
Enterprise T1567 .002 Exfiltration Over Web Service: Exfiltration to Cloud Storage

Empire can use Dropbox for data exfiltration.[2]
.001 Exfiltration Over Web Service: Exfiltration to Code Repository

Empire can use GitHub for data exfiltration.[2]
Enterprise T1068 Exploitation for Privilege Escalation

Empire can exploit vulnerabilities such as MS16-032 and MS16-135.[2]
Enterprise T1210 Exploitation of Remote Services

Empire has a limited number of built-in modules for exploiting remote SMB, JBoss, and Jenkins servers.[2]
Enterprise T1083 File and Directory Discovery

Empire includes various modules for finding files of interest on hosts and network shares.[2]
Enterprise T1574 .001 Hijack Execution Flow: DLL Search Order Hijacking

Empire contains modules that can discover and exploit various DLL hijacking opportunities.[2]
.007 Hijack Execution Flow: Path Interception by PATH Environment Variable

Empire contains modules that can discover and exploit path interception opportunities in the PATH environment variable.[2]
.008 Hijack Execution Flow: Path Interception by Search Order Hijacking

Empire contains modules that can discover and exploit search order hijacking vulnerabilities.[2]
.009 Hijack Execution Flow: Path Interception by Unquoted Path

Empire contains modules that can discover and exploit unquoted path vulnerabilities.[2]
Enterprise T1070 .006 Indicator Removal on Host: Timestomp

Empire can timestomp any files or payloads placed on a target machine to help them blend in.[2]
Enterprise T1105 Ingress Tool Transfer

Empire can upload and download to and from a victim machine.[2]
Enterprise T1056 .001 Input Capture: Keylogging

Empire includes keylogging capabilities for Windows, Linux, and macOS systems.[2]
.004 Input Capture: Credential API Hooking

Empire contains some modules that leverage API hooking to carry out tasks, such as netripper.[2]
Enterprise T1557 .001 Man-in-the-Middle: LLMNR/NBT-NS Poisoning and SMB Relay

Empire can use Inveigh to conduct name service poisoning for credential theft and associated relay attacks.[2][4]
Enterprise T1106 Native API

Empire contains a variety of enumeration modules that have an option to use API calls to carry out tasks.[2]
Enterprise T1046 Network Service Scanning

Empire can perform port scans from an infected host.[2]
Enterprise T1135 Network Share Discovery

Empire can find shared drives on the local system.[2]
Enterprise T1040 Network Sniffing

Empire can be used to conduct packet captures on target hosts.[2]
Enterprise T1027 Obfuscated Files or Information

Empire has the ability to obfuscate commands using Invoke-Obfuscation.[2]
Enterprise T1003 .001 OS Credential Dumping: LSASS Memory

Empire contains an implementation of Mimikatz to gather credentials from memory.[2]
Enterprise T1057 Process Discovery

Empire can find information about processes running on local and remote systems.[2]
Enterprise T1055 Process Injection

Empire contains multiple modules for injecting into processes, such as Invoke-PSInject.[2]
Enterprise T1021 .003 Remote Services: Distributed Component Object Model

Empire can utilize Invoke-DCOM to leverage remote COM execution for lateral movement.[2]
.004 Remote Services: SSH

Empire contains modules for executing commands over SSH as well as in-memory VNC agent injection.[2]
Enterprise T1053 .005 Scheduled Task/Job: Scheduled Task

Empire has modules to interact with the Windows task scheduler.[2]
Enterprise T1113 Screen Capture

Empire is capable of capturing screenshots on Windows and macOS systems.[2]
Enterprise T1518 .001 Software Discovery: Security Software Discovery

Empire can enumerate antivirus software on the target.[2]
Enterprise T1558 .001 Steal or Forge Kerberos Tickets: Golden Ticket

Empire can leverage its implementation of Mimikatz to obtain and use golden tickets.[2]
.003 Steal or Forge Kerberos Tickets: Kerberoasting

Empire uses PowerSploit's Invoke-Kerberoast to request service tickets and return crackable ticket hashes.[2]
.002 Steal or Forge Kerberos Tickets: Silver Ticket

Empire can leverage its implementation of Mimikatz to obtain and use silver tickets.[2]
Enterprise T1082 System Information Discovery

Empire can enumerate host system information like OS, architecture, applied patches, and more.[2]
Enterprise T1016 System Network Configuration Discovery

Empire can acquire network configuration information like DNS servers and network proxies used by a host.[2]
Enterprise T1049 System Network Connections Discovery

Empire can enumerate the current network connections of a host.[2]
Enterprise T1569 .002 System Services: Service Execution

Empire can use PsExec to execute a payload on a remote host.[2]
Enterprise T1127 .001 Trusted Developer Utilities Proxy Execution: MSBuild

Empire can use built-in modules to abuse trusted utilities like MSBuild.exe.[2]
Enterprise T1552 .001 Unsecured Credentials: Credentials In Files

Empire can use various modules to search for files containing passwords.[2]
.004 Unsecured Credentials: Private Keys

Empire can use modules like Invoke-SessionGopher to extract private key and session information.[2]
Enterprise T1550 .002 Use Alternate Authentication Material: Pass the Hash

Empire can perform pass the hash attacks.[2]
Enterprise T1125 Video Capture

Empire can capture webcam data on Windows and macOS systems.[2]
Enterprise T1102 .002 Web Service: Bidirectional Communication

Empire can use Dropbox and GitHub for C2.[2]
Enterprise T1047 Windows Management Instrumentation

Empire can use WMI to deliver a payload to a remote host.[2]

Groups That Use This Software

ID Name References
G0052 CopyKittens

[5]
G0051 FIN10

[6]
G0073 APT19

[1]
G0064 APT33

[7][8]
G0010 Turla

[9]
G0090 WIRTE

[10]
G0091 Silence

[11]
G0101 Frankenstein

[12]

G0102 Wizard Spider

[13][14][15]
G0069 MuddyWater

[16]

References

  1. The Australian Cyber Security Centre (ACSC), the Canadian Centre for Cyber Security (CCCS), the New Zealand National Cyber Security Centre (NZ NCSC), CERT New Zealand, the UK National Cyber Security Centre (UK NCSC) and the US National Cybersecurity and Communications Integration Center (NCCIC). (2018, October 11). Joint report on publicly available hacking tools. Retrieved March 11, 2019.
  2. Schroeder, W., Warner, J., Nelson, M. (n.d.). Github PowerShellEmpire. Retrieved April 28, 2016.
  3. Stepanic, D. (2018, September 2). attck_empire: Generate ATT&CK Navigator layer file from PowerShell Empire agent logs. Retrieved March 11, 2019.
  4. Robertson, K. (2015, April 2). Inveigh: Windows PowerShell ADIDNS/LLMNR/mDNS/NBNS spoofer/man-in-the-middle tool. Retrieved March 11, 2019.
  5. ClearSky Cyber Security and Trend Micro. (2017, July). Operation Wilted Tulip: Exposing a cyber espionage apparatus. Retrieved August 21, 2017.
  6. FireEye iSIGHT Intelligence. (2017, June 16). FIN10: Anatomy of a Cyber Extortion Operation. Retrieved June 25, 2017.
  7. Ackerman, G., et al. (2018, December 21). OVERRULED: Containing a Potentially Destructive Adversary. Retrieved January 17, 2019.
  8. Security Response attack Investigation Team. (2019, March 27). Elfin: Relentless Espionage Group Targets Multiple Organizations in Saudi Arabia and U.S.. Retrieved April 10, 2019.
  1. ESET. (2018, August). Turla Outlook Backdoor: Analysis of an unusual Turla backdoor. Retrieved March 11, 2019.
  2. S2 Grupo. (2019, April 2). WIRTE Group attacking the Middle East. Retrieved May 24, 2019.
  3. Group-IB. (2019, August). Silence 2.0: Going Global. Retrieved May 5, 2020.
  4. Adamitis, D. et al. (2019, June 4). It's alive: Threat actors cobble together open-source pieces into monstrous Frankenstein campaign. Retrieved May 11, 2020.
  5. John, E. and Carvey, H. (2019, May 30). Unraveling the Spiderweb: Timelining ATT&CK Artifacts Used by GRIM SPIDER. Retrieved May 12, 2020.
  6. DHS/CISA. (2020, October 28). Ransomware Activity Targeting the Healthcare and Public Health Sector. Retrieved October 28, 2020.
  7. Kimberly Goody, Jeremy Kennelly, Joshua Shilko, Steve Elovitz, Douglas Bienstock. (2020, October 28). Unhappy Hour Special: KEGTAP and SINGLEMALT With a Ransomware Chaser. Retrieved October 28, 2020.
  8. Lunghi, D. and Horejsi, J.. (2019, June 10). MuddyWater Resurfaces, Uses Multi-Stage Backdoor POWERSTATS V3 and New Post-Exploitation Tools. Retrieved May 14, 2020.