""ET TROJAN JS/WSF Downloader Dec 08 2016 M7""
SID: 2023711
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2017_01_09, deployment Perimeter, malware_family Trojan_Kwampirs, performance_impact Low, signature_severity Major, updated_at 2017_01_09
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: from_server,established
Contents:
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Value: "MZ"
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Value: "PE|00 00|"
Within: 4
PCRE: "/Content-Disposition\x3a[^\r\n]+=[\x22\x27]?[a-z]?\d{1,3}(?:.dat)?[\x22\x27]?\r\n/Hmi"
Special Options:
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file_data
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fast_pattern