diff --git a/3_RootkitTechniques/3.7_char_interfering/README.md b/3_RootkitTechniques/3.7_char_interfering/README.md
index ac3856c..aa716a8 100644
--- a/3_RootkitTechniques/3.7_char_interfering/README.md
+++ b/3_RootkitTechniques/3.7_char_interfering/README.md
@@ -15,3 +15,5 @@
 * Read some bytes from `/dev/urandom` with `dd if=/dev/urandom bs=1 count=128 | xxd`
 * Observe that both reads return nothing but `0x00`!
 * Unload with `rmmod rootkit`
+
+![random](./random.png "Interfering with char devices")
diff --git a/3_RootkitTechniques/3.7_char_interfering/random.png b/3_RootkitTechniques/3.7_char_interfering/random.png
new file mode 100644
index 0000000..5d265eb
--- /dev/null
+++ b/3_RootkitTechniques/3.7_char_interfering/random.png
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