Update multiarch2_writeup.md

added front matter

Author: abizer94

content/writeups/GoogleCTF2025/multiarch2_writeup.md

@@ -1,3 +1,8 @@
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+title = "MultiArch2"
+date = "2025-09-03"
+authors = ["Vrishab"]
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 ## Summary of the Exploit
 
 This challenge is built around exploiting a custom VM built with two separate instruction sets (stack‑based and register‑based)
@@ -70,4 +75,5 @@ Finally, we use stack‑arch syscall 5, which usually calls `get_flag`. But it n
 4. Overwrite `get_flag` with that address
 5. Call `syscall 5` → shellcode runs
 
-**Credits**: 堇姬 Naup (https://naup.mygo.tw/2025/07/05/2025-Google-CTF-writeup/)
+
+**Credits**: 堇姬 Naup (https://naup.mygo.tw/2025/07/05/2025-Google-CTF-writeup/)