666?

nc 192.168.172.148 666 > doom.zip
unzip doom.zip
eog message2.jpg

adot@pwnbox:~/oscp/provinggrounds/medium/stapler$ exiftool message2.jpg 
ExifTool Version Number         : 12.76
File Name                       : message2.jpg
Directory                       : .
File Size                       : 13 kB
File Modification Date/Time     : 2016:06:03 10:03:07-05:00
File Access Date/Time           : 2024:07:02 15:17:00-05:00
File Inode Change Date/Time     : 2024:07:02 15:16:54-05:00
File Permissions                : -rw-r--r--
File Type                       : JPEG
File Type Extension             : jpg
MIME Type                       : image/jpeg
JFIF Version                    : 1.01
Resolution Unit                 : None
X Resolution                    : 72
Y Resolution                    : 72
Current IPTC Digest             : 020ab2da2a37c332c141ebf819e37e6d
Contact                         : If you are reading this, you should get a cookie!
Application Record Version      : 4
IPTC Digest                     : d41d8cd98f00b204e9800998ecf8427e
Warning                         : IPTCDigest is not current. XMP may be out of sync
Image Width                     : 364
Image Height                    : 77
Encoding Process                : Baseline DCT, Huffman coding
Bits Per Sample                 : 8
Color Components                : 3
Y Cb Cr Sub Sampling            : YCbCr4:4:4 (1 1)
Image Size                      : 364x77
Megapixels                      : 0.028