diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 # miasm-extended-tests
+
 Extended tests for Miasm
 
 # Binaries #
 
 - [ls_x64/](ls_x64/): `ls` and its dependencies from Ubuntu 18.04.2 LTS
+- [shellcode_x86](shellcode_x86/) : `chmod /etc/shadow` and `exec` shellcodes
diff --git a/shellcode_x86/chmod b/shellcode_x86/chmod
new file mode 100644
index 0000000..8b34765
Binary files /dev/null and b/shellcode_x86/chmod differ
diff --git a/shellcode_x86/exec b/shellcode_x86/exec
new file mode 100644
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Binary files /dev/null and b/shellcode_x86/exec differ
diff --git a/shellcode_x86/run.sh b/shellcode_x86/run.sh
new file mode 100755
index 0000000..dcdb5a4
--- /dev/null
+++ b/shellcode_x86/run.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+MIASM_DIR="$1"
+
+python $MIASM_DIR/example/jitter/simu_sc_linux.py -- chmod
+python $MIASM_DIR/example/jitter/simu_sc_linux.py -- exec