Forensic Examination Of Manipulated Email In Gmail

by Arman Gungor

Last week, I came across an interesting post on Forensic Focus. The poster, jahearne, was asking about how one can detect manipulation of an existing email in Gmail. In his hypothetical scenario, the bad actor was using Outlook to edit the message and change its contents after it was received. I wanted to reproduce this setup and examine the results to see what we find out.

I started by performing a baseline acquisition of the target email account over IMAP—which is the same protocol Outlook would use to connect to Gmail. This allowed me to capture the Internal Date Message Attribute as well as the Unique Identifier (UID) Message Attribute for each message before any manipulation took place. I used our Forensic Email Collector to do this, but you can also capture these values by directly interfacing with Gmail’s IMAP server.

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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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