GuLoader returns with a rotten shipment

GuLoader, a perennial favourite of email-based malware campaigns since 2019, has been seen in the wild once again. GuLoader is a downloader with a chequered history, dating back to somewhere around 2011 in various forms. Two years ago it was one of our most seen malspam attachments. Most popular...

Threat Outbreak Alert RuleID33414: Email Messages Distributing Malicious Software on August 13, 2018

Medium Alert ID: 58691 First Published: 2018 August 14 17:55 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 RuleID33414 may contain the following files: Name |...

Threat Outbreak Alert RuleID31866: Email Messages Distributing Malicious Software on January 30, 2018

Medium Alert ID: 56613 First Published: 2018 January 30 19:08 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 RuleID31866 may contain the following files: Name |...

Threat Outbreak Alert RuleID31751: Email Messages Distributing Malicious Software on January 29, 2018

Medium Alert ID: 56596 First Published: 2018 January 29 15:00 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 RuleID31751 may contain the following files: Name |...

Threat Outbreak Alert RuleID31444: Email Messages Distributing Malicious Software on November 27, 2017

Medium Alert ID: 56052 First Published: 2017 November 27 13:17 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 RuleID31444 may contain the following files: Name |...

Threat Outbreak Alert RuleID30877: Email Messages Distributing Malicious Software on October 6, 2017

Medium Alert ID: 55541 First Published: 2017 October 6 18:28 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 RuleID30877 may contain the following files: Name |...

Threat Outbreak Alert RuleID29235: Email Messages Distributing Malicious Software on May 23, 2017

Medium Alert ID: 53928 First Published: 2017 May 23 15:06 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 RuleID29235 may contain the following files: Name | Size...

Threat Outbreak Alert RuleID24978: Email Messages Distributing Malicious Software on September 13, 2016

Medium Alert ID: 48880 First Published: 2016 September 14 14:02 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 RuleID24978 may contain the following files: Name ...

Threat Outbreak Alert: Fake Shipment Delivery Failure Notification Email Messages on May 14, 2014

Medium Alert ID: 34229 First Published: 2014 May 14 15:46 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages that claim to contain a shipment delivery notification for the recipient. The text in the email message attempts to convince the recipie...

Threat Outbreak Alert: Fake Product Order Shipment Notification Email Messages on March 17, 2014

Medium Alert ID: 33376 First Published: 2014 March 18 16:09 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages that claim to contain a product shipment notification for the recipient. The text in the email message attempts to convince the...

Threat Outbreak Alert: Fake Shipment Notification Email Messages on November 13, 2013.

Medium Alert ID: 31760 First Published: 2013 November 14 19:29 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages that claim to contain a payroll document information for the recipient. The text in the email message attempts to convince the...