diff --git a/.gitignore b/.gitignore
index b4d88f7..de57abb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -84,6 +84,7 @@ acs-*.bib
 *.end
 *.?end
 *.[1-9]
+!libc.so.6
 *.[1-9][0-9]
 *.[1-9][0-9][0-9]
 *.[1-9]R
diff --git a/src/writeup/6.1.10_0ctf2017_babyheap2017/libc.so.6 b/src/writeup/6.1.10_0ctf2017_babyheap2017/libc.so.6
new file mode 100644
index 0000000..75c8795
Binary files /dev/null and b/src/writeup/6.1.10_0ctf2017_babyheap2017/libc.so.6 differ
diff --git a/src/writeup/6.1.9_rhme3_exploitation/libc.so.6 b/src/writeup/6.1.9_rhme3_exploitation/libc.so.6
new file mode 100644
index 0000000..0101d5c
Binary files /dev/null and b/src/writeup/6.1.9_rhme3_exploitation/libc.so.6 differ