BACKSPACE
Techniques Used |
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| Domain | ID | Name | Use | |
|---|---|---|---|---|
| Enterprise | T1071 | .001 | Application Layer Protocol: Web Protocols |
BACKSPACE uses HTTP as a transport to communicate with its command server.(Citation: FireEye APT30) |
| Enterprise | T1547 | .001 | Boot or Logon Autostart Execution: Registry Run Keys / Startup Folder |
BACKSPACE achieves persistence by creating a shortcut to itself in the CSIDL_STARTUP directory.(Citation: FireEye APT30) |
| .009 | Boot or Logon Autostart Execution: Shortcut Modification |
BACKSPACE achieves persistence by creating a shortcut to itself in the CSIDL_STARTUP directory.(Citation: FireEye APT30) |
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| Enterprise | T1059 | .003 | Command and Scripting Interpreter: Windows Command Shell |
Adversaries can direct BACKSPACE to execute from the command line on infected hosts, or have BACKSPACE create a reverse shell.(Citation: FireEye APT30) |
| Enterprise | T1132 | .002 | Data Encoding: Non-Standard Encoding |
Newer variants of BACKSPACE will encode C2 communications with a custom system.(Citation: FireEye APT30) |
| Enterprise | T1562 | .004 | Impair Defenses: Disable or Modify System Firewall |
The "ZR" variant of BACKSPACE will check to see if known host-based firewalls are installed on the infected systems. BACKSPACE will attempt to establish a C2 channel, then will examine open windows to identify a pop-up from the firewall software and will simulate a mouse-click to allow the connection to proceed.(Citation: FireEye APT30) |
| Enterprise | T1090 | .001 | Proxy: Internal Proxy |
The "ZJ" variant of BACKSPACE allows "ZJ link" infections with Internet access to relay traffic from "ZJ listen" to a command server.(Citation: FireEye APT30) |
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