added 2 problems

down-a-notch/check

@@ -0,0 +1,36 @@
+check(int, int):
+        pushq   %rbp
+        movq    %rsp, %rbp
+        movl    %edi, -36(%rbp)
+        movl    %esi, -40(%rbp)
+        movl    -36(%rbp), %eax
+        xorl    -40(%rbp), %eax
+        movl    %eax, -4(%rbp)
+        movl    -4(%rbp), %eax
+        addl    $98, %eax
+        movl    %eax, -8(%rbp)
+        movl    -8(%rbp), %eax
+        notl    %eax
+        movl    %eax, %edx
+        movl    -40(%rbp), %eax
+        addl    %edx, %eax
+        movl    %eax, -12(%rbp)
+        movl    -12(%rbp), %eax
+        xorl    -36(%rbp), %eax
+        movl    %eax, -16(%rbp)
+        movl    -40(%rbp), %eax
+        imull   -4(%rbp), %eax
+        cltd
+        idivl   -8(%rbp)
+        movl    %eax, %edx
+        movl    -36(%rbp), %eax
+        leal    (%rdx,%rax), %ecx
+        movl    -12(%rbp), %edx
+        movl    -16(%rbp), %eax
+        addl    %edx, %eax
+        xorl    %ecx, %eax
+        movl    %eax, -20(%rbp)
+        cmpl    $-814, -20(%rbp)
+        sete    %al
+        popq    %rbp
+        ret

down-a-notch/description.md

@@ -0,0 +1 @@
+I've spent too long in the high level, let's take the level [down a notch](${check}). Help me find the correct input to this function!

down-a-notch/problem.yml

@@ -0,0 +1,9 @@
+author: mzhang
+title: Down a Notch
+hint: Compiled with x86-64 gcc 4.9.4
+category: Programming
+autogen: false
+programming: false
+value: 100
+files:
+  - check

undirect/description.md

@@ -0,0 +1 @@
+Seems like we got ourselves stuck in a [redirect loop](http://undirect.web.easyctf.com). Help me undirect myself from its clutches and get the flag!

undirect/grader.py

@@ -0,0 +1,4 @@
+def grade(autogen, key):
+    if key.find("1t's_4lw4ys_a_G00d_idea_2_ch3ck_th3_he4d3rs!") != -1:
+        return True, "You got it!"
+    return False, "Nope. Keep poking around."

undirect/problem.yml

@@ -0,0 +1,9 @@
+author: mzhang
+title: Undirect
+hint: How can you find out more about what the server is really sending back?
+category: Forensics
+autogen: false
+programming: false
+value: 100
+files:
+  - gibberish.png