TEXTMATE
TEXTMATE is a second-stage PowerShell backdoor that is memory-resident. It was observed being used along with POWERSOURCE in February 2017. [1]
ID: S0146
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Associated Software: DNSMessenger
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Type: MALWARE
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Platforms: Windows
Version: 1.1
Created: 31 May 2017
Last Modified: 20 July 2022
Associated Software Descriptions
| Name | Description |
|---|---|
| DNSMessenger |
Based on similar descriptions of functionality, it appears S0146, as named by FireEye, is the same as Stage 4 of a backdoor named DNSMessenger by Cisco's Talos Intelligence Group. However, FireEye appears to break DNSMessenger into two parts: S0145 and S0146. [2] [1] |
Techniques Used
| Domain | ID | Name | Use | |
|---|---|---|---|---|
| Enterprise | T1071 | .004 | Application Layer Protocol: DNS | |
| Enterprise | T1059 | .003 | Command and Scripting Interpreter: Windows Command Shell |
TEXTMATE executes cmd.exe to provide a reverse shell to adversaries.[1][2] |