From c5d2a55f6d4644dfbf3a7f9f579818f4d25ea271 Mon Sep 17 00:00:00 2001
From: G Y <35021368+leegengyu@users.noreply.github.com>
Date: Tue, 6 Jul 2021 20:36:38 +0800
Subject: [PATCH 1/2] powershell_data_compressed.yml - Update selection

Changed to ScriptBlockText (due to PowerShell logging-specific context).
---
 rules/windows/powershell/powershell_data_compressed.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rules/windows/powershell/powershell_data_compressed.yml b/rules/windows/powershell/powershell_data_compressed.yml
index fd9bd0ae..1d9b3346 100644
--- a/rules/windows/powershell/powershell_data_compressed.yml
+++ b/rules/windows/powershell/powershell_data_compressed.yml
@@ -13,7 +13,7 @@ logsource:
 detection:
     selection:
         EventID: 4104
-        keywords|contains|all:
+        ScriptBlockText|contains|all:
             - '-Recurse'
             - '|'
             - 'Compress-Archive'

From 3594b10d74682ca1f090180d5dedd55e4756d813 Mon Sep 17 00:00:00 2001
From: leegengyu <gengyu.lee@gmail.com>
Date: Tue, 6 Jul 2021 20:56:31 +0800
Subject: [PATCH 2/2] Insert modified date

---
 rules/windows/powershell/powershell_data_compressed.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/rules/windows/powershell/powershell_data_compressed.yml b/rules/windows/powershell/powershell_data_compressed.yml
index 1d9b3346..ada73d64 100644
--- a/rules/windows/powershell/powershell_data_compressed.yml
+++ b/rules/windows/powershell/powershell_data_compressed.yml
@@ -4,6 +4,7 @@ status: experimental
 description: An adversary may compress data (e.g., sensitive documents) that is collected prior to exfiltration in order to make it portable and minimize the amount of data sent over the network.
 author: Timur Zinniatullin, oscd.community
 date: 2019/10/21
+modified: 2021/07/06
 references:
     - https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1560/T1560.md
 logsource: