Category: TTU

Exam prep

ping 8.8.8.8dhcp get address dhclient eth0 -v sysctl -A  …. print the whole list of system settings use users: compgen -u/etc/sysctl.conf : stored here /etc/hostname – hostname of the machine /etc/hosts – basic translation host name <-> ip address DNS /etc/bind named-checkconf service bind9 status systemctl status bind9.service -l dig @127.0.0.1 courses.cs.ut.ee nslookup est //existance of TLD est Enable auto-starting the bind9:# systemctl...

Cyber sec tech – project

Kibana for k-space 193.40.101.76:7443 ids :8443 log (kibana) :9443  moloch :8000 cuckoo IDS, IPS HIDS/HIPS, NSM intrusion detection system intrusion prevention system Host IDS Rule based /behavior based Where to start Steamus network SELKS (preconfigured image) Suricata Ransomware are using specific TLS certificate, RAPID 7 SSLyze https map Certificate chain validation, vulnerability (heartbleed…) Moloch Bonus Lab virustotal.com wargame. Login first using...

Legal exam useful

BASICS:https://treaties.un.org/doc/publication/ctc/uncharter.pdf Article 2 (4)All Members shall refrain in their international relations from the threat or use of force against the territorial integrity or political independence of any state, or in any other manner inconsistent with the Purposes of the UnitedNationsArticle 51Nothing in the present Charter shall impair theinherent right of individual or collective selfdefenseif an armed attack occurs against a...

Passwords

use only bcrypt or scrypt for hashinghttps://medium.com/4iqdelvedeep/1-4-billion-clear-text-credentials-discovered-in-a-single-database-3131d0a1ae14 https://gist.github.com/scottlinux/9a3b11257ac575e4f71de811322ce6b3 Rainbowtables if NTLM tables, just go to find it in rainbowtables ihatefirewallsandlovepasswords hashcad, johntheripper student counsellor: probally year of birtheveryone has different passwordsWe have no root access in this lab Shared pad: https://pad.koodur.com What to use instead of passords?biometry (fingerprint is digitalized = another kind of password)face recognition – if used one camera, it...

Information gathering & reconnaissance

Passive (DNS? Social Media accounts),Active Vulnerabilities identificationadvanced hackers use tools that produce less traffic Exploitation -exploit: piece of software which takes advantage of vulnerabilities– Web archives: https://archive.org/WhoisSearch enginesShodanMetadata of documentsIP and port scanning traceroute : 3 different packets send to the next IP. that idicates reachability traceroute: request timed out in the middle of path: this host is unreacahble but other...