CiscoCISCO-THREAT-44251Threat Outbreak Alert RuleID21862: Email Messages Distributing Malicious Software on March 24, 2016
Medium
Alert ID:
44251
First Published:
2016 March 23 16:28 GMT
Last Updated:
2016 March 24 19:26 GMT
Version:
2
Summary
- Cisco Security has detected significant activity related to spam email messages distributing malicious software.
Email messages that are related to this threat (RuleID21862 and RuleID21862KVR) may contain the following files:
| Name | Size in Bytes | MD5 Checksum |
|---|---|---|
| Nf-E748394809.zip / Nf-E748394809.exe | 20,480 | 0x39038D37897AFD9F68C9A508D3C827F9 |
| Nf-E748394809.zip / Nf-E748394809.exe | ||
| 348,329 | 0x7D18BB3D34AD2606DD86110CD7D122BD |
The following text is a sample of the email message that is associated with this threat outbreak:
> Subject: Nota Fiscal Eletronica.
Message Body:
Emissão de NF-e (Nota Fiscal Eletrônica)
Prezado (A)
Foi emitida uma NF-e (Nota Fiscal Eletrônica) referente ao
seu pedido nº 748394809, realizado em 21/03/2016 as 16:21
NF-e Nota Fiscal Eletrônica em Anexo
Or
> Subject: Nota Fiscal Eletronica.
Message Body:
DANFE (Documento Auxiliar de Nota Fiscal Eletronica).
Cisco security appliances can help protect customers during the critical period between the first exploit of a virus outbreak and the release of vendor antivirus signatures. Cisco Web Security Appliances help secure and control web and email traffic by offering layers of malware protection. Cisco security appliances are automatically updated to help prevent both spam email and hostile web URLs from being passed to the end user.
Related Links
Cisco Security
Cisco SenderBase Security Network
Revision History
| * Version | Description | Section | Date |
|---|---|---|---|
| 2 | Cisco Security has detected significant activity on March 24, 2016. | 2016-March-24 19:26 GMT | |
| 1 | Cisco Security has detected significant activity on March 22, 2016. | 2016-March-23 16:28 GMT | |
| 1 | Initial Release | 2016-March-23 16:28 GMT | |
| Show Less |
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