ET HUNTING SUSPICIOUS Single JS file inside of ZIP Download (Observed as lure in malspam campaigns)
Sourceet/open
CreatedMarch 22, 2016
UpdatedOctober 8, 2019
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:4; metadata:created_at 2016_03_22, confidence Medium, signature_severity Informational, updated_at 2019_10_08;)
Metadata
created at2016_03_22
confidenceMedium
signature severityInformational
updated at2019_10_08
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