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  1. CyberDefenders

XXE Infiltration Lab

PreviousCyberDefendersNextT1594 Lab

Last updated 5 months ago

Q1) Knowing which open ports have been discovered by the attacker allows us to understand which services are exposed and potentially targeted. Can you provide the highest numbered port open on the victim web server?

tcp.flags.syn == 1 and tcp.flags.ack == 1
tshark -r XXEInfiltration.pcap -Y "tcp.flags.syn == 1 and tcp.flags.ack == 1" -T fields -e tcp.srcport | sort | uniq

Answer: 3306

Q2) By identifying the vulnerable PHP script, security teams can directly address and mitigate the vulnerability. What's the complete URI of the PHP script vulnerable to XXE Injection?

http contains "<?xml"

Answer: /review/upload.php

Q3) To construct the attack timeline and determine the initial point of compromise. What's the name of the first malicious XML file uploaded by the attacker?

Answer: TheGreatGatsby.xml

Q4) Understanding which sensitive files were accessed helps evaluate the breach's potential impact. What's the name of the web app configuration file the attacker read?

http.response.code == 200

Answer: config.php

Q5) Determining the extent of the breach, what's the password of the compromised database user?

http.response.code == 200

Answer: Winter2024

Q6) Following the database user compromise. What's the UTC timestamp of the attacker's first connection with the MySQL server in attempt to utilize the compromised credentials?

The attacker get the username and password for the database at 2024-05-31 12:03:12.

tcp.port == 3306

Answer: 2024-05-31 12:08:49

Q7) To eradicate the threat and prevent further unauthorized access, can you identify the name of the web shell the attacker uploaded for remote code execution and persistence?

http.response.code == 200

Answer: booking.php