Threat Outbreak Alert RuleID19804: Email Messages Distributing Malicious Software on December 3, 2015

2015-12-03T13:21:39
ID CISCO-THREAT-42476
Type ciscothreats
Reporter Cisco
Modified 2015-12-03T13:21:39

Description

Medium

Alert ID:

42476

First Published:

2015 December 3 13:21 GMT

Version:

1

Summary

  • Cisco Security has detected significant activity related to spam email messages distributing malicious software.

Email messages that are related to this threat (RuleID19804) may contain the following files:

Name | Size in Bytes | MD5 Checksum
---|---|---
Aaaaaa-aaaaaaaa-00000000000000.zip / Aaaaaa-aaaaaaaa-00000000000000.vbs
| Not Available
| 0x016859803CB51316C4E549CB00169120

The following text is a sample of the email message that is associated with this threat outbreak:

> Subject: Fatura em aberto 30/11/2015 22:53:12

Message Body:

Prezado Cliente,
Segue em anexo, conforme solicitado
Por gentileza, confirmar recebimento do boleto ,e se possível nos enviar comprovante
O não pagamento da anuidade nos prazos estabelecidos
Acarretara multa e juros de mora de 1% (um por cento) ao mês.

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
    ---|---|---|---
    1 | Initial Release | | 2015-December-03 13:21 GMT
    Show Less

Legal Disclaimer

  • THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE ALERTS AT ANY TIME.

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