ET MALWARE Win32/Tofsee Unique Email Body Byte Sequence Observed
Sourceet/open
CreatedMarch 31, 2020
UpdatedMarch 31, 2020
Classificationcommand-and-control
alert smtp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Tofsee Unique Email Body Byte Sequence Observed"; flow:to_server,established; content:"|0d 0a 0d 0a 3d 32 30 0d 0a 0d 0a 0d 0a 0d 0a 0d 0a 0d 0a 53 0d 0a|"; fast_pattern; threshold:type threshold, count 5, seconds 120, track by_src; classtype:command-and-control; sid:2029775; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2020_03_31, malware_family Tofsee, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_03_31;)
Metadata
affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
created at2020_03_31
malware familyTofsee
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2020_03_31
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