""ET TROJAN Win32/Rhadamanthys CnC Activity (GET)""
SID: 2054665
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_07_25, deployment Perimeter, malware_family Rhadamanthys, confidence Medium, signature_severity Critical, tag c2, updated_at 2024_07_25, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
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Value: "GET"
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Value: "Cache|2d|Control|3a 20|no|2d|cache"
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Value: "|0d 0a|Pragma|3a 20|no|2d|cache|0d 0a|"
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Value: "User-Agent|3a 20|WinHTTP/1.0|0d 0a|"
Within:
PCRE: "/^\x2f(?:[A-Z0-9]{8})\x2d(?:[A-Z0-9]{4})\x2d(?:[A-Z0-9]{4})\x2d(?:[A-Z0-9]{4})\x2d(?:[A-Z0-9]{12})\x2f(?:[A-Z0-9]{8})\x2d(?:[A-Z0-9]{4})\x2d(?:[A-Z0-9]{4})\x2d(?:[A-Z0-9]{4})\x2d(?:[A-Z0-9]{12})$/U"
Special Options:
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http_method
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http_header
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http_header
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http_header