""ET TROJAN Win32/Coreshell Checkin (APT28 Related)""
SID: 2019539
Revision: 2
Class Type: trojan-activity
Metadata: created_at 2014_10_28, updated_at 2014_10_29
Reference:
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md5
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272f0fde35dbdfccbca1e33373b3570d
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: to_server,established
Contents:
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Value: "POST"
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Value: "/~xh/sn.cgi?"
Within:
PCRE: "/\/~xh\/sn.cgi\?(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})+$/Ui"
Special Options:
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http_method
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http_uri
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fast_pattern