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public:emai:malware [2023-03-09 09:42] – [Monitoring and filtering agenda] vesely | public:emai:malware [2023-03-09 09:43] – [Monitoring and filtering agenda] vesely |
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* [[:public:emai:malware#bad_dmarc|Bad DMARC]] - <font inherit/inherit;;#f39c12;;inherit>[Bad DMARC]</font> - the sender's domain does not have DMARC record and SPF set properly. | * [[:public:emai:malware#bad_dmarc|Bad DMARC]] - <font inherit/inherit;;#f39c12;;inherit>[Bad DMARC]</font> - the sender's domain does not have DMARC record and SPF set properly. |
* [[:public:emai:malware#bad_dmarc|Bad ARC]] - <font inherit/inherit;;#f39c12;;inherit>[Suspicious - bad ARC]</font> - the sender's email has ARC Seal but it's validation did not succed (e.g. invalid calculated email hash). | * [[:public:emai:malware#bad_dmarc|Bad ARC]] - <font inherit/inherit;;#f39c12;;inherit>[Suspicious - bad ARC]</font> - the sender's email has ARC Seal but it's validation did not succed (e.g. invalid calculated email hash). |
* [[:public:emai:malware#ip_reputation_database_-_dnsbl|DNSBL listed]] - | * [[:public:emai:malware#ip_reputation_database_-_dnsbl|DNSBL listed]] - <font inherit/inherit;;#f39c12;;inherit>[IP reputation - DNSBL listed]</font> - the sender's IP is listed in SPAM database. |
<font inherit/inherit;;#f39c12;;inherit>[IP reputation - DNSBL listed]</font> - the sender's IP is listed in SPAM database. | * [[:public:emai:malware#suspicious_newsletter|Suspicious Newsletter]] - <font inherit/inherit;;#f39c12;;inherit>[Newsletter]</font> - it may be found that certain newsletters are suspicious because they may actually be spam under the disguise of newsletters. |
* [[:public:emai:malware#suspicious_newsletter|Suspicious Newsletter]] - | * [[:public:emai:malware#ip_reputation|Bad IP reputation]] - <font inherit/inherit;;#f39c12;;inherit>[IP reputaton]</font> - emails from IP addresses with bad reputation may be discarded or quarantined. It may be dangerous to receive emails from such IPs. |
<font inherit/inherit;;#f39c12;;inherit>[Newsletter]</font> - it may be found that certain newsletters are suspicious because they may actually be spam under the disguise of newsletters. | * [[:public:emai:malware#warning_disclaimer_prepended_to_email|Warning Disclaimer]] (prepended to email) - <font inherit/inherit;;#f39c12;;inherit>[Newsletter]</font> - Anti-Phishing engine cannot decide about targeting URL link (usually concealed by click spying) |
* [[:public:emai:malware#ip_reputation|Bad IP reputation]] - | |
<font inherit/inherit;;#f39c12;;inherit>[IP reputaton]</font> - emails from IP addresses with bad reputation may be discarded or quarantined. It may be dangerous to receive emails from such IPs. | |
* [[:public:emai:malware#warning_disclaimer_prepended_to_email|Warning Disclaimer]] (prepended to email) - | |
<font inherit/inherit;;#f39c12;;inherit>[Newsletter]</font> - Anti-Phishing engine cannot decide about targeting URL link (usually concealed by click spying) | |
* [[:public:emai:malware#pdf_macro|PDF macro]] - PDF files include the ability to execute code on your device — and that’s where the danger lies | * [[:public:emai:malware#pdf_macro|PDF macro]] - PDF files include the ability to execute code on your device — and that’s where the danger lies |
* [[:public:emai:malware#suspicious_content_html_links_docs_macro|Suspicious content]] (HTML links, docs) - | * [[:public:emai:malware#suspicious_content_html_links_docs_macro|Suspicious content]] (HTML links, docs) - <font inherit/inherit;;#f39c12;;inherit>[Suspicious]</font> - HTML content and attachments may contain potentially hazardous tags and attributes |
<font inherit/inherit;;#f39c12;;inherit>[Suspicious]</font> - HTML content and attachments may contain potentially hazardous tags and attributes | * [[:public:emai:malware#image_spam|Image Spam]] (images, pdf) - <font inherit/inherit;;#f39c12;;inherit>[Image spam]</font> - Some spammers conceal spam text as an image or PDF document. |
* [[:public:emai:malware#image_spam|Image Spam]] (images, pdf) - | * [[:public:emai:malware#deepheader_analysis|Deepheader analysis]] - <font inherit/inherit;;#f39c12;;inherit>[Suspicious - header analysis]</font> - Deepheader analysis examines the entire message header for spam characteristics. |
<font inherit/inherit;;#f39c12;;inherit>[Image spam]</font> - Some spammers conceal spam text as an image or PDF document. | |
* [[:public:emai:malware#deepheader_analysis|Deepheader analysis]] - | |
<font inherit/inherit;;#f39c12;;inherit>[Suspicious - header analysis]</font> - Deepheader analysis examines the entire message header for spam characteristics. | |
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===== Possible Spoof ===== | ===== Possible Spoof ===== |