Fix shell-storm new API (#902)

* Fix shell-storm new API

* Update gef.py

Co-authored-by: Grazfather <grazfather@gmail.com>

gef.py

@@ -6773,7 +6773,7 @@ class ShellcodeGetCommand(GenericCommand):
     _aliases_ = ["sc-get",]
 
     api_base = "http://shell-storm.org"
-    get_url = f"{api_base}/shellcode/files/shellcode-{{:d}}.php"
+    get_url = f"{api_base}/shellcode/files/shellcode-{{:d}}.html"
 
     def do_invoke(self, argv: List[str]) -> None:
         if len(argv) != 1:
@@ -6799,7 +6799,7 @@ def get_shellcode(self, sid: int) -> None:
         ok("Downloaded, written to disk...")
         tempdir = gef.config["gef.tempdir"]
         fd, fname = tempfile.mkstemp(suffix=".txt", prefix="sc-", text=True, dir=tempdir)
-        shellcode = res.splitlines()[7:-11]
+        shellcode = res.split("<pre>")[1].split("</pre>")[0]
         shellcode = b"\n".join(shellcode).replace(b"&quot;", b'"')
         os.write(fd, shellcode)
         os.close(fd)