""ET TROJAN Win32/DarkRAT CnC Activity""
SID: 2027886
Revision: 4
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_08_15, deployment Perimeter, malware_family DarkRAT, performance_impact Moderate, signature_severity Major, updated_at 2019_10_21
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
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Value: "POST"
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Value: !".php"
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Value: "request=YUhkcFpEM" Depth: 17
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Value: !"Referer|3a|"
Within:
PCRE: "/^request=YUhkcFpEM[A-Za-z0-9\/+\=]{100,}$/Psi"
Special Options:
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http_method
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http_uri
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http_client_body
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fast_pattern
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http_header