""ET TROJAN Locky Intermediate Downloader""
SID: 2024900
Revision: 2
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_10_23, deployment Perimeter, signature_severity Major, tag Locky, updated_at 2017_10_23
Reference:
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md5
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4f03e360be488a3811d40c113292bc01
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: "POST"
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Value: "User-Agent|3a 20|Windows-Update-Agent"
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Value: !"Referer|3a|"
Within:
PCRE: "/^[\x20-\x7e\r\n]{0,20}[^\x20-\x7e\r\n]/P"
Special Options:
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http_method
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http_header
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fast_pattern
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http_header