""ET TROJAN MuddyWater Payload Requesting Command from CnC""
SID: 2027684
Revision: 2
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_07_04, deployment Perimeter, performance_impact Low, signature_severity Major, tag MuddyWater, updated_at 2019_07_04
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
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Value: "GET"
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Value: "|2f|command|2f|" Depth: 9
-
Value: ".cmd"
Within:
PCRE: "/^\/command\/[A-Fa-f0-9]{8}-(?:[A-Fa-f0-9]{4}-){3}[A-Fa-f0-9]{12}.cmd$/U"
Special Options:
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http_method
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http_uri
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fast_pattern
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http_uri