Identifying malware infected reply messages

Details Identifying malware infected reply messages Identifying malware infected reply messages

2011-03-01

2011-03-01

Smithers, Matthew B (Department: 2437)

Information security

Monitoring or scanning of software or data including attack...

Reexamination Certificate

active

07900254

ABSTRACT:
A technique for identifying reply mailer computer program viruses detects whether a reply message is generated in less than a threshold reply time and whether or not the reply message includes an attachment. The generation of a reply message in less than a threshold reply time and including an attachment is deemed indicative of an infected reply message and accordingly that message will be quarantined, deleted, disinfected or the like. The mail server using the present technique maintains a temporary log of email messages sent indicating the sender, the recipient, and the time of sending. This log is used to identify replies and determine whether or not those replies have been received in less than the reply threshold time.

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