Threat Outbreak Alert RuleID31498: Email Messages Distributing Malicious Software on November 30, 2017

Medium Alert ID: 56092 First Published: 2017 November 30 13:44 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 RuleID31498 may contain the following files: Name |...

Threat Outbreak Alert RuleID31496: Email Messages Distributing Malicious Software on November 30, 2017

Medium Alert ID: 56091 First Published: 2017 November 30 13:44 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 RuleID31496 may contain the following files: Name |...

Threat Outbreak Alert RuleID31482: Email Messages Distributing Malicious Software on November 30, 2017

Medium Alert ID: 56090 First Published: 2017 November 30 13:44 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 RuleID31482 may contain the following files: Name |...

Threat Outbreak Alert RuleID31475: Email Messages Distributing Malicious Software on November 29, 2017

Medium Alert ID: 56084 First Published: 2017 November 29 17:50 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 RuleID31475 may contain the following files: Name |...

Threat Outbreak Alert RuleID31486: Email Messages Distributing Malicious Software on November 29, 2017

Medium Alert ID: 56081 First Published: 2017 November 29 17:50 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 RuleID31486 may contain the following files: Name |...

Threat Outbreak Alert RuleID31467: Email Messages Distributing Malicious Software on November 29, 2017

Medium Alert ID: 56075 First Published: 2017 November 29 17:40 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 RuleID31467 may contain the following files: Name |...

Threat Outbreak Alert RuleID32464: Email Messages Distributing Malicious Software on November 29, 2017

Medium Alert ID: 56074 First Published: 2017 November 29 17:40 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 RuleID32464 may contain the following files: Name |...

Threat Outbreak Alert RuleID31462: Email Messages Distributing Malicious Software on November 29, 2017

Medium Alert ID: 56073 First Published: 2017 November 29 17:40 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 RuleID31462 may contain the following files: Name |...

Threat Outbreak Alert RuleID31461: Email Messages Distributing Malicious Software on November 29, 2017

Medium Alert ID: 56072 First Published: 2017 November 29 17:40 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 RuleID31461 may contain the following files: Name |...

Threat Outbreak Alert RuleID31454: Email Messages Distributing Malicious Software on November 29, 2017

Medium Alert ID: 56071 First Published: 2017 November 29 17:40 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 RuleID31454 may contain the following files: Name |...

Threat Outbreak Alert RuleID31483: Email Messages Distributing Malicious Software on November 29, 2017

Medium Alert ID: 56079 First Published: 2017 November 29 17:08 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 RuleID31483 may contain the following files: Name |...

Threat Outbreak Alert RuleID31480: Email Messages Distributing Malicious Software on November 29, 2017

Medium Alert ID: 56078 First Published: 2017 November 29 17:08 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 RuleID31480 may contain the following files: Name |...

Threat Outbreak Alert RuleID31479: Email Messages Distributing Malicious Software on November 29, 2017

Medium Alert ID: 56077 First Published: 2017 November 29 17:08 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 RuleID31479 may contain the following files: Name |...

Threat Outbreak Alert RuleID31468: Email Messages Distributing Malicious Software on November 29, 2017

Medium Alert ID: 56076 First Published: 2017 November 29 17:08 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 RuleID31468 may contain the following files: Name |...

Hackers Exploit Recently Disclosed Microsoft Office Bug to Backdoor PCs

A recently disclosed severe 17-year-old vulnerability in Microsoft Office that lets hackers install malware on targeted computers without user interaction is now being exploited in the wild to distribute a backdoor malware. First spotted by researchers at security firm Fortinet, the malware has...

Newly Observed Ursnif Variant Employs Malicious TLS Callback Technique to Achieve Process Injection

Introduction TLS Thread Local Storage callbacks are provided by the Windows operating system to support additional initialization and termination for per-thread data structures. As previously reported, malicious TLS callbacks, as an anti-analysis trick, have been observed for quite some time and...

Threat Outbreak Alert RuleID31474: Email Messages Distributing Malicious Software on November 28, 2017

Medium Alert ID: 56068 First Published: 2017 November 28 18:47 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 RuleID31474 may contain the following files: Name |...

Newly Observed Ursnif Variant Employs Malicious TLS Callback Technique to Achieve Process Injection

Introduction TLS Thread Local Storage callbacks are provided by the Windows operating system to support additional initialization and termination for per-thread data structures. As previously reported, malicious TLS callbacks, as an anti-analysis trick, have been observed for quite some time and...

Threat Outbreak Alert RuleID31405: Email Messages Distributing Malicious Software on November 28, 2017

Medium Alert ID: 56063 First Published: 2017 November 28 12:36 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 RuleID31405 may contain the following files: Name |...

Threat Outbreak Alert RuleID31433: Email Messages Distributing Malicious Software on November 27, 2017

Medium Alert ID: 56061 First Published: 2017 November 27 23:37 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 RuleID31433 may contain the following files: Name |...