VIRUS: SMTP NIMDA (readme.exe)
This signature detects e-mail attachments named "readme.exe" sent through SMTP. This can indicate the e-mail virus Nimda is attempting to enter the system. The executed file installs to the Windows directory, edits the Registry to run the virus on reboot, and infects Internet-related files. Nimda then obtains e-mail addresses and sends infected messages to all addresses found using its own SMTP server.
Extended Description
Nimda has following payload: large scale e-mailing, replaces and modifies files, degrades system performance, and installs a backdoor.
Short Name
VIRUS:SMTP:NIMDA
Severity
Major
Recommended
False
Recommended Action
Drop
Category
VIRUS
Keywords
(readme.exe) CVE-1999-0660 NIMDA SMTP
Release Date
04/22/2003
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3375
False Positive
Unknown
CVSS Score
8.8