diff --git a/buflab.zip b/buflab.zip
new file mode 100644
index 0000000..69df4e3
Binary files /dev/null and b/buflab.zip differ
diff --git a/buflab/answers.txt b/buflab/answers.txt
new file mode 100644
index 0000000..d878c0f
--- /dev/null
+++ b/buflab/answers.txt
@@ -0,0 +1,5 @@
+学号后六位：723005
+第一关：00 11 22 33 44 55 66 77 88 
+第二关：00 11 22 33 44 55 66 77 88 
+第三关：00 11 22 33 44 55 66 77 88 
+第四关：00 11 22 33 44 55 66 77 88 
diff --git a/buflab/╝╞╦π╗·╧╡═│╘¡└φ-╩╡╤Θ3.pptx b/buflab/bufbomb.pptx
similarity index 100%
rename from buflab/╝╞╦π╗·╧╡═│╘¡└φ-╩╡╤Θ3.pptx
rename to buflab/bufbomb.pptx
diff --git a/buflab/bufbomb_linux b/buflab/bufbomb_linux
index bd1d50f..bb365f9 100755
Binary files a/buflab/bufbomb_linux and b/buflab/bufbomb_linux differ
diff --git a/buflab/key.txt b/buflab/key.txt
new file mode 100644
index 0000000..18764b2
--- /dev/null
+++ b/buflab/key.txt
@@ -0,0 +1,5 @@
+(1):00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 F0 11 40 00
+(2):00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 10 12 40 00 00 00 00 00 8B A9 4D DE
+(3):B8 8B A9 4D DE A3 04 90 40 00 68 60 12 40 00 C3 04 FD 19 00
+(4):B8 8B A9 4D DE A3 04 90 40 00 68 B0 12 40 00 C3 04 FD 19 00 80 15 40 00
+(5):B8 8B A9 4D DE 68 81 11 40 00 C3 00 38 FD 19 00 04 FD 19 00
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