Leveraging DKIM In Email Forensics

by Arman Gungor

My last article was about using the Content-Length header field in email forensics. While the Content-Length header is very useful, it has a couple of major shortcomings:

• Most email messages do not have the Content-Length header field populated
• If the suspect is aware of this data point, the integer value in the Content-Length header field is very easy to modify to make it match the length of the manipulated email payload

Wouldn’t it be great if there was something more widely used and tamper-resistant? Enter DKIM.

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Forensic Focus 12th January 2023 3:00 am

Just like your current holiday shopping for last minute presents a lot of the good stuff has gone off the shelves already. You reach to the back and find the toy nobody really wanted but it’s the thought that counts, you stare down at Si and Desi’s Holiday Special 2022 podcast. 

Please join these two as they lament over the year that was, discuss all the things they didn’t do but promise they will do them next year, query whether putting a NAS in the storage of a roller door is a good idea, and finally arrive at what they’re looking forward to bringing you in the new year.

Show Notes:

Arduino PLC IDE - https://docs.arduino.cc/software/plc-ide
Mycroft Mark II (open source Alexa) - https://www.kickstarter.com/projects/aiforeveryone/mycroft-mark-ii-the-open-voice-assistant
Christa’s new blog - https://christammiller.com/
Si’s holiday reading - https://amzn.to/3iJyGrR
Desi’s holiday reading -  https://inteltechniques.com/
Strange event for the end of the year - https://www.reuters.com/world/europe/25-suspected-members-german-far-right-group-arrested-raids-prosecutors-office-2022-12-07/
Si’s wishful thinking - https://www.youtube.com/watch?v=GXnRgXclLd0
Si’s list to do before the EOY - https://intrepidcamera.co.uk/products/intrepid-4x5-camera
Desi’s list to do before EOY - https://www.wired.com/story/how-to-reset-your-phone-before-you-sell-it/
“Cleaning your office” - https://www.manfrotto.com/uk-en/vintage-collapsible-1-5-x-2-1m-ink-sage-ll-lb5720/
Conference recorder - https://amzn.to/3UBmre5
Desi’s blog - https://www.hardlyadequate.com/

Just like your current holiday shopping for last minute presents a lot of the good stuff has gone off the shelves already. You reach to the back and find the toy nobody really wanted but it’s the thought that counts, you stare down at Si and Desi’s Holiday Special 2022 podcast.

Please join these two as they lament over the year that was, discuss all the things they didn’t do but promise they will do them next year, query whether putting a NAS in the storage of a roller door is a good idea, and finally arrive at what they’re looking forward to bringing you in the new year.

Show Notes:

Arduino PLC IDE - https://docs.arduino.cc/software/plc-ide
Mycroft Mark II (open source Alexa) - https://www.kickstarter.com/projects/aiforeveryone/mycroft-mark-ii-the-open-voice-assistant
Christa’s new blog - https://christammiller.com/
Si’s holiday reading - https://amzn.to/3iJyGrR
Desi’s holiday reading - https://inteltechniques.com/
Strange event for the end of the year - https://www.reuters.com/world/europe/25-suspected-members-german-far-right-group-arrested-raids-prosecutors-office-2022-12-07/
Si’s wishful thinking - https://www.youtube.com/watch?v=GXnRgXclLd0
Si’s list to do before the EOY - https://intrepidcamera.co.uk/products/intrepid-4x5-camera
Desi’s list to do before EOY - https://www.wired.com/story/how-to-reset-your-phone-before-you-sell-it/
“Cleaning your office” - https://www.manfrotto.com/uk-en/vintage-collapsible-1-5-x-2-1m-ink-sage-ll-lb5720/
Conference recorder - https://amzn.to/3UBmre5
Desi’s blog - https://www.hardlyadequate.com/

YouTube Video UCQajlJPesqmyWJDN52AZI4Q_BhrBg5_sAKo

Si and Desi Holiday Special 2022

Forensic Focus 16th December 2022 12:00 am

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