""ET TROJAN Dragonfly Backdoor.Goodor Go Implant CnC Beacon 1""
SID: 2024894
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 2017_07_12, deployment Perimeter, signature_severity Major, tag Targeted, tag c2, updated_at 2017_09_06, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel
Reference:
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md5
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8943e71a8c73b5e343aa9d2e19002373
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
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Value: "GET"
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Value: "."
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Value: "?"
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Value: "="
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Value: "&"
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Value: !"Referer|3a|"
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Value: "Go-http-client/1.1|0d 0a|"
Within: 1
PCRE: "/.(?:aspx|txt)\?[a-z0-9]{3}=[a-f0-9]{32}&[a-z0-9]{3}=[^&]+&[a-z0-9]{3}=[a-f0-9]{32}$/U"
Special Options:
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http_method
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http_uri
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http_uri
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http_uri
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http_uri
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http_header
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http_header