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My OSCP Journey: Tips, Tricks, and Cheat Sheets
  • Introduction
  • Network Scan
  • Services Exploitation
    • 21 - FTP
    • 25, 465, 587 - SMTP
    • 53 - DNS
    • 88 - Kerberos
    • 80, 443 - HTTP/S
    • 110, 995 - POP
    • 111 - NFS/RPC
    • 135, 593 - MSRPC
    • 139, 445 - SMB
    • 143, 993 - IMAP
    • 161 - SNMP
    • 389, 636, 3268, 3269 - LDAP
    • 3306 - Mysql
    • 5432 - Postgres
    • 27017 - MongoDB
  • Web Application Attacks
    • SQL Injection
    • File Inclusion Vulnerabilty
    • Command Injection
    • Client-Side Attacks
  • Brute Forcing
  • Privilege Escalation
    • Manual Enumeration
      • Windows Enumeration
      • Linux Enumeration
    • Windows Privesc
    • Linux Privesc
  • Active Directory
    • AD Manual Enumeration
    • AD Automatic Enumeration
    • AD Authentication
    • AD Lateral Movement
    • AD Attacking Kerberos
    • Hash Cracking Techniques
  • Transfer Files
    • Windows Downloads
    • Windows Uploads
  • Shells
    • Reverse/Bind Shells
    • Web Shells
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  • Banner Grabbing
  • NTLM Information Disclosure

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  1. Services Exploitation

143, 993 - IMAP

Banner Grabbing

Telnet

telnet 10.0.0.3 143

Netcat

nc -n 10.0.0.3 143

openssl

openssl s_client -connect 10.0.0.3:993
Parameters

  • s_client: SSL/TLS client program.

NTLM Information Disclosure

Manually

telnet example.com 143
...
>> a1 AUTHENTICATE NTLM
+
>> TlRMTVNTUAABAAAAB4IIAAAAAAAAAAAAAAAAAAAAAAA=
+ TlRMTVNTUAACAAAACgAKADgAAAAFgooCBqqVKFrKPCMAAAAAAAAAAEgASABCAAAABgOAJQAAAA9JAEkAUwAwADEAAgAKAEkASQBTADAAMQABAAoASQBJAFMAMAAxAAQACgBJAEkAUwAwADEAAwAKAEkASQBTADAAMQAHAAgAHwMI0VPy1QEAAAAA
nmap -p 143,993 --script imap-ntlm-info 10.0.0.3
Previous139, 445 - SMBNext161 - SNMP

Last updated 2 years ago

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NSE Script

imap-ntlm-info