ET MALWARE Potential DNS Command and Control via TXT queries
Sourceet/open
CreatedSeptember 2, 2011
UpdatedJanuary 3, 2023
Classificationtrojan-activity
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Potential DNS Command and Control via TXT queries"; content:"|01 00 00 01 00 00 00 00 00 00|"; depth:10; offset:2; content:"|00 00 10 00 01|"; threshold:type both, track by_src,count 10, seconds 300; reference:url,lists.emergingthreats.net/pipermail/emerging-sigs/2011-September/015625.html; classtype:trojan-activity; sid:2013514; rev:3; metadata:created_at 2011_09_02, deprecation_reason Performance, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_01_03;)
Metadata
created at2011_09_02
deprecation reasonPerformance
confidenceMedium
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2023_01_03
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