""ET TROJAN Win32/Hyteod CnC Beacon""
SID: 2020821
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2015_03_31, deployment Perimeter, signature_severity Major, tag c2, updated_at 2015_03_31, 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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f2ad19a08063171b039accd24b0c27ca
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: "|5f 5e 5b 8b e5 5d|"
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Value: !"Accept-"
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Value: !"Connection|3a|"
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Value: !"Referer|3a|"
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Value: "Content-Type|3a 20|application/x-www-form-urlencoded|0d 0a|"
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Value: "User-Agent|3a 20|Mozilla/5.0 (compatible|3b| MSIE 9.0|3b| Windows NT 6.1|3b| Trident/5.0|29 0d 0a|"
Within:
PCRE:
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
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http_header
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http_header
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http_header