概要
TryHackMe「Passive Reconnaissance」のWalkthroughです。
Task2
Q1.You visit the Facebook page of the target company, hoping to get some of their employee names. What kind of reconnaissance activity is this? (A for active, P for passive)
A.P
Q2.You ping the IP address of the company webserver to check if ICMP traffic is blocked. What kind of reconnaissance activity is this? (A for active, P for passive)
A.A
Q3.You happen to meet the IT administrator of the target company at a party. You try to use social engineering to get more information about their systems and network infrastructure. What kind of reconnaissance activity is this? (A for active, P for passive)
A.A
Task3
Q1.When was TryHackMe.com registered?
Hint.Use the format YYYYMMDD
whois
コマンドで情報を取得します。
$ whois tryhackme.com
(省略)
Creation Date: 2018-07-05T19:46:15Z
A.20180705
Q2.What is the registrar of TryHackMe.com?
Hint.Give its domain name
Registrar WHOIS Server: whois.namecheap.com
Registrar URL: http://www.namecheap.com
A.namecheap.com
Q3.Which company is TryHackMe.com using for name servers?
Hint.Give its domain name
Name Server: KIP.NS.CLOUDFLARE.COM
Name Server: UMA.NS.CLOUDFLARE.COM
A.cloudflare.com
Task4
Q1.Check the TXT records of thmlabs.com. What is the flag there?
thmlabs.com
のTXT
レコードを確認します。
$ dig thmlabs.com TXT
(省略)
;; ANSWER SECTION:
thmlabs.com. 300 IN TXT "THM{a5b83929888ed36acb0272971e438d78}"
A.THM{a5b83929888ed36acb0272971e438d78}
Task5
Q1.Lookup tryhackme.com on DNSDumpster. What is one interesting subdomain that you would discover in addition to www and blog?
DNSDumpster
でtryhackme.com
を検索します。
A.remote
Task6
Q1.According to Shodan.io, what is the 2nd country in the world in terms of the number of publicly accessible Apache servers?
Hint.To find the answer, you can search for Apache on Shodan.io.
shodan
でapacheを検索します。
A.Germany
Q2.Based on Shodan.io, what is the 3rd most common port used for Apache?
Hint.To find the answer, you can search for Apache on Shodan.io.
apache
で検索し、portのランキングを確認します。
A.8080
Q3.Based on Shodan.io, what is the 3rd most common port used for nginx?
Hint.To find the answer, you can search for nginx on Shodan.io.
nginx
を検索し、portのランキングを確認します。
A.5001