Flag OT 111.1: International Standard (5 pts)
What international standard was partially completed in 1993, and used as the basis for the design of DNP3?Hint: Read this page: DNP3 on Wikipedia
https://www.wireshark.org/
Flag OT 111.2: Timestamp (5 pts)
Download this file: dnp3.pcapOpen it in Wireshark.
There are four "Write, Time and Date" packets.
Find the timestamp sent by the last of those four packets. That's the flag.
Flag OT 111.3: Read (5 pts)
Download this file: dnp3_read.pcapOpen it in Wireshark.
A master device reads data from a remote device, including several 32-bit analog values. Find the smallest value, which is a negative number.
That's the flag.
Flag OT 111.4: File Name (5 pts)
Download this file: dnp3_file_read.pcapOpen it in Wireshark.
The controller reads a file from the remote device.
Find the name of that file.
That's the flag.
Flag OT 111.5: Author (10 pts)
Use the same file as in the previous challenge.Find the author of the file that the controller read.
That's the flag.
Posted 2-29-24
Scoreing flags fixed 3-16-24