""ET TROJAN Known Malicious Doc Downloading Payload Dec 06 2016""
SID: 2023583
Revision: 3
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_12_06, deployment Perimeter, malware_family Downloader, malware_family Locky_JS, performance_impact Low, signature_severity Major, updated_at 2017_04_10
Reference:
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: !"Cookie|3a 20|"
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Value: !"Referer|3a|"
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Value: "Accept|3a 20|/|0d 0a|Accept-Language|3a 20|" Depth: 30
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Value: "Firefox"
Within:
PCRE: "/^Accept\x3a\x20*\/*\r\nAccept-Language\x3a\x20[^\r\n]+\r\nUser-Agent\x3a\x20[^\r\n]+Firefox[^\r\n]+\r\nAccept-Encoding\x3a\x20[^\r\n]+\r\nHost\x3a\x20/H"
Special Options:
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http_method
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http_header
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http_header
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fast_pattern
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http_header