""ET TROJAN Linux/Ssemgrvd sshd Backdoor HTTP CNC 2""
SID: 2017643
Revision: 4
Class Type: trojan-activity
Metadata: created_at 2013_10_30, updated_at 2014_12_18
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "POST"
-
Value: "b=1&name=" Depth: 9
-
Value: "&uuid="
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Value: "Connection|3A 20|close|0D 0A|Content-Type|3A 20|application/x-www-form-urlencoded|0D 0A|Content-Length|3A 20|"
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Value: !"User-Agent|3A|"
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Value: !"Referer|3a|"
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Value: !"Accept|3a|"
Within:
PCRE: "/&uuid=[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}/P"
Special Options:
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http_method
-
http_client_body
-
fast_pattern
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http_client_body
-
http_header
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http_header
-
http_header
-
http_header