""ET CURRENT_EVENTS Malicious JS.Nemucod to PS Dropping PE Nov 14 M2""
SID: 2023754
Revision: 5
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_11_28, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2017_02_06
Reference:
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md5
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551c440d76be5ab9932d8f3e8f65726e
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: to_server,established
Contents:
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Value: "GET"
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Value: ".php?f="
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Value: !"Referer"
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Value: "User-Agent|3a 20|Mozilla/4.0 (compatible|3b 20|MSIE 7.0|3b|"
Within:
PCRE: "/^\/\w+.php\?f=[a-z]?\d{1,3}(?:.(?:dat|gif))?$/U"
Special Options:
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http_method
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http_uri
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http_header
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http_header