- Slapper.B has a new function called, "mailme()" that sends an email to firstname.lastname@example.org containing the IP address and hostname of the infected computer and, the hostname of the server it is linked to.
- Slapper.B contains a new interactive backdoor function. Slapper.A allowed attackers to execute commands via the peer-to-peer network. Slapper.B has a supplemental backdoor that listens on TCP port 1052. Attackers must supply a password before Slapper.B grants an interactive command shell.
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