""ET INFO Executable Download from dotted-quad Host""
SID: 2016141
Revision: 5
Class Type: bad-unknown
Metadata: attack_target Client_and_Server, created_at 2013_01_03, deployment Perimeter, performance_impact Significant, signature_severity Informational, updated_at 2024_04_09
Reference:
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: ".exe"
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Value: ".exe HTTP/1."
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Value: "Host|3A 20|"
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Value: "|2E|"
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Value: "|2E|"
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Value: "|2E|"
Within: 3
PCRE: "/^Host\x3A\x20[0-9]{1,3}\x2E[0-9]{1,3}\x2E[0-9]{1,3}\x2E[0-9]{1,3}(\x3A|\x0D\x0A)/Hmi"
Special Options:
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http_uri
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nocase
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http_header
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http_header
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http_header
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http_header