2013 November 13 19:58 GMT
2013 November 14 17:24 GMT
Email messages that are related to this threat (RuleID7835 and RuleID7835KVR) may contain the following files:
The MSG00088.exe file in the MSG00008.zip attachment has a file size of 21,504 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x123437341E51D72BF2DB9E5BA8ED7280
The MSG00010.exe file in the MSG00031.zip attachment has a file size of 15,360 bytes. The MD5 checksum is the following string: 0x9F50A722340DAD506F2B876EAB3F7F60
The MSG00021.exe file in the MSG00026.zip attachment has a file size of 11,264 bytes. The MD5 checksum is the following string: 0xF740DF48A6F9E41E1C536B0B2C68420A
The following text is a sample of the email message that is associated with this threat outbreak:
> Subject: New Voicemail Message
IP Office Voicemail redirected message
Cisco Security analysts examine real-world email traffic data that is collected from over 100,000 contributing organizations worldwide. This data helps provide a range of information about and analysis of global email security threats and trends. Cisco will continue to monitor this threat and automatically adapt systems to protect customers. This report will be updated if there are significant changes or if the risk to end users increases.
Cisco security appliances protect customers during the critical period between the first exploit of a virus outbreak and the release of vendor antivirus signatures. Email that is managed by Cisco and end users who are protected by Cisco Web Security Appliances will not be impacted by these attacks. Cisco security appliances are automatically updated to prevent both spam email and hostile web URLs from being passed to the end user.
A standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products