""ET TROJAN CryptoWall Check-in""
SID: 2018452
Revision: 13
Class Type: trojan-activity
Metadata: created_at 2014_05_05, updated_at 2020_09_17
Reference:
-
md5
-
3c53c9f7ab32a09de89bb44e5f91f9af
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
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Value: "=" Depth: 1 Offset: 1
-
Value: " MSIE "
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Value: "Accept|3a 20|/|0d 0a|Content-Type|3a 20|application/x-www-form-urlencoded|0d 0a|" Depth: 62
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Value: !"|0d 0a|Accept-"
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Value: !"Referer|3a|"
Within:
PCRE: "/^[a-z]=[a-f0-9]{80,}$/P"
Special Options:
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http_client_body
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fast_pattern
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http_header
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http_header
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nocase
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http_header
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http_header