ET HUNTING SUSPICIOUS Single JS file inside of ZIP Download (Observed as lure in malspam campaigns)

7.0.35.0SID: 2022636Rev: 5Enabled1 views
Sourceet/open
Fileemerging-hunting.rules
CreatedMarch 22, 2016
UpdatedMarch 14, 2024
Classificationmisc-activity
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET HUNTING SUSPICIOUS Single JS file inside of ZIP Download (Observed as lure in malspam campaigns)"; flow:established,to_client; file.data; content:"PK"; within:2; content:"PK|01 02|"; distance:0; pcre:"/^.{42}[\x20-\x7f]{1,500}\.jsPK\x05\x06.{4}\x01\x00\x01\x00/Rsi"; content:".jsPK|05 06|"; nocase; fast_pattern; classtype:misc-activity; sid:2022636; rev:5; metadata:created_at 2016_03_22, confidence Medium, signature_severity Informational, updated_at 2024_03_14;)

Metadata

created at2016_03_22
confidenceMedium
signature severityInformational
updated at2024_03_14

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