diff --git a/第八十九课:基于白名单Url.dll执行payload第十七季.pdf b/第八十九课:基于白名单Url.dll执行payload第十七季.pdf new file mode 100644 index 0000000..30b16ec Binary files /dev/null and b/第八十九课:基于白名单Url.dll执行payload第十七季.pdf differ diff --git a/第八十八课:基于白名单Ftp.exe执行payload第十九季.pdf b/第八十八课:基于白名单Ftp.exe执行payload第十九季.pdf new file mode 100644 index 0000000..54f1a69 Binary files /dev/null and b/第八十八课:基于白名单Ftp.exe执行payload第十九季.pdf differ