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SIGCOMM
2006
ACM

Understanding the network-level behavior of spammers

11 years 7 months ago
Understanding the network-level behavior of spammers
This paper studies the network-level behavior of spammers, including: IP address ranges that send the most spam, common spamming modes (e.g., BGP route hijacking, bots), how persistent across time each spamming host is, and characteristics of spamming botnets. We try to answer these questions by analyzing a 17-month trace of over 10 million spam messages collected at an Internet “spam sinkhole”, and by correlating this data with the results of IP-based blacklist lookups, passive TCP fingerprinting information, routing information, and botnet “command and control” traces. We find that most spam is being sent from a few regions of IP address space, and that spammers appear to be using transient “bots” that send only a few pieces of email over very short periods of time. Finally, a small, yet non-negligible, amount of spam is received from IP addresses that correspond to short-lived BGP routes, typically for hijacked prefixes. These trends suggest that developing algorithm...
Anirudh Ramachandran, Nick Feamster
Added 14 Jun 2010
Updated 14 Jun 2010
Type Conference
Year 2006
Where SIGCOMM
Authors Anirudh Ramachandran, Nick Feamster
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