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MailSniper

MailSniper is a penetration testing tool for searching through email in a Microsoft Exchange environment for specific terms (passwords, insider intel, network architecture information, etc.). It can be used by a non-administrative user to search their own email, or by an Exchange administrator to search the mailboxes of every user in a domain.[1]

ID: S0413
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Type: TOOL
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Platforms: Windows, Office Suite
Version: 1.1
Created: 05 October 2019
Last Modified: 14 October 2024
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Enterprise Layer
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Techniques Used

Domain ID Name Use
Enterprise T1087 .003 Account Discovery: Email Account

MailSniper can be used to obtain account names from Exchange and Office 365 using the Get-GlobalAddressList cmdlet.[2]
Enterprise T1110 .003 Brute Force: Password Spraying

MailSniper can be used for password spraying against Exchange and Office 365.[1]
Enterprise T1114 .002 Email Collection: Remote Email Collection

MailSniper can be used for searching through email in Exchange and Office 365 environments.[1]

Groups That Use This Software

ID Name References
G0077 Leafminer

[3]

References

  1. Bullock, B., . (2018, November 20). MailSniper. Retrieved October 4, 2019.
  2. Bullock, B.. (2016, October 3). Attacking Exchange with MailSniper. Retrieved October 6, 2019.
  1. Symantec Security Response. (2018, July 25). Leafminer: New Espionage Campaigns Targeting Middle Eastern Regions. Retrieved August 28, 2018.