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Port 143 - IMAP
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Banner Grabbing
nc -nv <IP> 143
openssl s_client -connect <IP>:993 -quiet
If the server supports NTLM auth (Windows) you can obtain sensitive info (versions):
root@kali: telnet example.com 143
* OK The Microsoft Exchange IMAP4 service is ready.
>> a1 AUTHENTICATE NTLM
+
>> TlRMTVNTUAABAAAAB4IIAAAAAAAAAAAAAAAAAAAAAAA=
+ TlRMTVNTUAACAAAACgAKADgAAAAFgooCBqqVKFrKPCMAAAAAAAAAAEgASABCAAAABgOAJQAAAA9JAEkAUwAwADEAAgAKAEkASQBTADAAMQABAAoASQBJAFMAMAAxAAQACgBJAEkAUwAwADEAAwAKAEkASQBTADAAMQAHAAgAHwMI0VPy1QEAAAAA
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Syntax
Login
A1 LOGIN username password
Values can be quoted to enclose spaces and special characters. A " must then be escape with a \
A1 LOGIN "username" "password"
List Folders/Mailboxes
A1 LIST "" *
A1 LIST INBOX *
A1 LIST "Archive" *
Create new Folder/Mailbox
A1 CREATE INBOX.Archive.2012
A1 CREATE "To Read"
Delete Folder/Mailbox
A1 DELETE INBOX.Archive.2012
A1 DELETE "To Read"
Rename Folder/Mailbox
A1 RENAME "INBOX.One" "INBOX.Two"
List Subscribed Mailboxes
A1 LSUB "" *
Status of Mailbox (There are more flags than the ones listed)
A1 STATUS INBOX (MESSAGES UNSEEN RECENT)
Select a mailbox
A1 SELECT INBOX
List messages
A1 FETCH 1:* (FLAGS)
A1 UID FETCH 1:* (FLAGS)
Retrieve Message Content
A1 FETCH 2 body[text]
A1 FETCH 2 all
A1 UID FETCH 102 (UID RFC822.SIZE BODY.PEEK[])
Close Mailbox
A1 CLOSE
Logout
A1 LOGOUT