Since this is another thing I keep forgetting, I’ll just note it here. To send send emails by connecting directly to the SMTP port of a mail server with telnet, use these commands;
- telnet open.mailserver.com 25
- HELO domain.com
- MAIL FROM: whatever@domain.com
- RCPT TO: target@localhost.com
- DATA
- Subject:
- Cc:
- Reply-To:
- <message>
- MIME-Version: 1.0
- Content-Type: <content>; boundary=”<bondary>”
- Base64 encoded attachment
- <CR-LF>.<CR-LF>
- Quit
Since I’ll likely forget again, I’ve script some Python for it:
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#!/usr/bin/python import sys,socket attachment = """ MIME-Version: 1.0 Content-Type:multipart/mixed;boundary='t3g4m3__15_0v3333rR' --t3g4m3__15_0v3333rR Content-Type:multipart/mixed;name='problem.png' Content-Transfer-Encoding:base64 Content-Disposition:attachment;filename='problem.png' 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 --t3g4m3__15_0v3333rR-- """ smtpSocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) smtpConnection = smtpSocket.connect(('192.168.56.104', 25)) smtpSocket.recv(1024) smtpSocket.send("HELO kaboom.com\r\n") smtpSocket.recv(1024) smtpSocket.send("MAIL FROM: \"Bomby\" <bomby@kaboom.com>\r\n") smtpSocket.recv(1024) smtpSocket.send("RCPT TO: target@infected.com\r\n"); smtpSocket.recv(1024) smtpSocket.send("DATA\r\n") smtpSocket.recv(1024) smtpSocket.send("Subject:To who it may concern\r\n") smtpSocket.send("Cc:you-too@infected.com\r\n") smtpSocket.send("Reply-To:bomby@kaboom.com\r\n") smtpSocket.send("I have a super secret for you! You'll never guess! Tee heee\r\n\r\n") smtpSocket.send(attachment) smtpSocket.send("\r\n.\r\n") smtpSocket.recv(1024) smtpSocket.send("QUIT\r\n") smtpSocket.close() |