Pupy
Pupy is an open source, cross-platform (Windows, Linux, OSX, Android) remote administration and post-exploitation tool. [1] It is written in Python and can be generated as a payload in several different ways (Windows exe, Python file, PowerShell oneliner/file, Linux elf, APK, Rubber Ducky, etc.). [1] Pupy is publicly available on GitHub. [1]
Techniques Used
| Domain | ID | Name | Use | |
|---|---|---|---|---|
| Enterprise | T1548 | .002 | Abuse Elevation Control Mechanism: Bypass User Account Control |
Pupy can bypass Windows UAC through either DLL hijacking, eventvwr, or appPaths.[1] |
| Enterprise | T1134 | .001 | Access Token Manipulation: Token Impersonation/Theft |
Pupy can obtain a list of SIDs and provide the option for selecting process tokens to impersonate.[1] |
| Enterprise | T1087 | .001 | Account Discovery: Local Account |
Pupy uses PowerView and Pywerview to perform discovery commands such as net user, net group, net local group, etc.[1] |
| Enterprise | T1557 | .001 | Adversary-in-the-Middle: LLMNR/NBT-NS Poisoning and SMB Relay |
Pupy can sniff plaintext network credentials and use NBNS Spoofing to poison name services.[1] |
| Enterprise | T1071 | .001 | Application Layer Protocol: Web Protocols | |
| Enterprise | T1560 | .001 | Archive Collected Data: Archive via Utility |
Pupy can compress data with Zip before sending it over C2.[1] |
| Enterprise | T1123 | Audio Capture | ||
| Enterprise | T1547 | .001 | Boot or Logon Autostart Execution: Registry Run Keys / Startup Folder |
Pupy adds itself to the startup folder or adds itself to the Registry key |
| Enterprise | T1059 | .001 | Command and Scripting Interpreter: PowerShell |
Pupy has a module for loading and executing PowerShell scripts.[1] |
| .006 | Command and Scripting Interpreter: Python |
Pupy can use an add on feature when creating payloads that allows you to create custom Python scripts ("scriptlets") to perform tasks offline (without requiring a session) such as sandbox detection, adding persistence, etc.[1] |
||
| Enterprise | T1136 | .001 | Create Account: Local Account |
Pupy can user PowerView to execute "net user" commands and create local system accounts.[1] |
| .002 | Create Account: Domain Account |
Pupy can user PowerView to execute "net user" commands and create domain accounts.[1] |
||
| Enterprise | T1543 | .002 | Create or Modify System Process: Systemd Service |
Pupy can be used to establish persistence using a systemd service.[1] |
| Enterprise | T1555 | Credentials from Password Stores | ||
| .003 | Credentials from Web Browsers | |||
| Enterprise | T1114 | .001 | Email Collection: Local Email Collection |
Pupy can interact with a victim’s Outlook session and look through folders and emails.[1] |
| Enterprise | T1573 | .002 | Encrypted Channel: Asymmetric Cryptography |
Pupy's default encryption for its C2 communication channel is SSL, but it also has transport options for RSA and AES.[1] |
| Enterprise | T1041 | Exfiltration Over C2 Channel |
Pupy can send screenshots files, keylogger data, files, and recorded audio back to the C2 server.[1] |
|
| Enterprise | T1083 | File and Directory Discovery |
Pupy can walk through directories and recursively search for strings in files.[1] |
|
| Enterprise | T1070 | .001 | Indicator Removal on Host: Clear Windows Event Logs | |
| Enterprise | T1105 | Ingress Tool Transfer | ||
| Enterprise | T1056 | .001 | Input Capture: Keylogging |
Pupy uses a keylogger to capture keystrokes it then sends back to the server after it is stopped.[1] |
| Enterprise | T1046 | Network Service Scanning | ||
| Enterprise | T1135 | Network Share Discovery |
Pupy can list local and remote shared drives and folders over SMB.[1] |
|
| Enterprise | T1003 | .001 | OS Credential Dumping: LSASS Memory |
Pupy can execute Lazagne as well as Mimikatz using PowerShell.[1] |
| .004 | OS Credential Dumping: LSA Secrets | |||
| .005 | OS Credential Dumping: Cached Domain Credentials | |||
| Enterprise | T1057 | Process Discovery |
Pupy can list the running processes and get the process ID and parent process’s ID.[1] |
|
| Enterprise | T1055 | .001 | Process Injection: Dynamic-link Library Injection |
Pupy can migrate into another process using reflective DLL injection.[1] |
| Enterprise | T1021 | .001 | Remote Services: Remote Desktop Protocol |
Pupy can enable/disable RDP connection and can start a remote desktop session using a browser web socket client.[1] |
| Enterprise | T1113 | Screen Capture |
Pupy can drop a mouse-logger that will take small screenshots around at each click and then send back to the server.[1] |
|
| Enterprise | T1082 | System Information Discovery |
Pupy can grab a system’s information including the OS version, architecture, etc.[1] |
|
| Enterprise | T1016 | System Network Configuration Discovery |
Pupy has built in commands to identify a host’s IP address and find out other network configuration settings by viewing connected sessions.[1] |
|
| Enterprise | T1049 | System Network Connections Discovery |
Pupy has a built-in utility command for |
|
| Enterprise | T1033 | System Owner/User Discovery |
Pupy can enumerate local information for Linux hosts and find currently logged on users for Windows hosts.[1] |
|
| Enterprise | T1569 | .002 | System Services: Service Execution |
Pupy uses PsExec to execute a payload or commands on a remote host.[1] |
| Enterprise | T1552 | .001 | Unsecured Credentials: Credentials In Files | |
| Enterprise | T1550 | .003 | Use Alternate Authentication Material: Pass the Ticket | |
| Enterprise | T1125 | Video Capture | ||
| Enterprise | T1497 | .001 | Virtualization/Sandbox Evasion: System Checks |
Pupy has a module that checks a number of indicators on the system to determine if its running on a virtual machine.[1] |
Groups That Use This Software
| ID | Name | References |
|---|---|---|
| G0059 | Magic Hound | |
| G0064 | APT33 |