diff --git a/atomics/Indexes/index.yaml b/atomics/Indexes/index.yaml
index 4414bbce..bfd147b6 100644
--- a/atomics/Indexes/index.yaml
+++ b/atomics/Indexes/index.yaml
@@ -12114,7 +12114,7 @@ defense-evasion:
           iptables NOT installed *****\n"; exit 1; fi
 
           '
-        get_prereq_command: 'echo ""
+        get_prereq_command: 'sudo apt-get install iptables
 
           '
       executor:
diff --git a/atomics/Indexes/linux-index.yaml b/atomics/Indexes/linux-index.yaml
index aa11f3aa..e52491dd 100644
--- a/atomics/Indexes/linux-index.yaml
+++ b/atomics/Indexes/linux-index.yaml
@@ -6950,7 +6950,7 @@ defense-evasion:
           iptables NOT installed *****\n"; exit 1; fi
 
           '
-        get_prereq_command: 'echo ""
+        get_prereq_command: 'sudo apt-get install iptables
 
           '
       executor:
diff --git a/atomics/T1562.004/T1562.004.md b/atomics/T1562.004/T1562.004.md
index 0e679595..be0a88a2 100644
--- a/atomics/T1562.004/T1562.004.md
+++ b/atomics/T1562.004/T1562.004.md
@@ -826,7 +826,7 @@ if [ ! -x "$(command -v iptables)" ]; then echo -e "\n***** iptables NOT install
 ```
 ##### Get Prereq Commands:
 ```sh
-echo ""
+sudo apt-get install iptables
 ```