""ET TROJAN MSIL/Unk.HT-Based Ransomware CnC Checkin""
SID: 2024352
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_06_06, deployment Perimeter, malware_family Ransomware, malware_family Hidden_Tear, signature_severity Major, tag Ransomware, updated_at 2017_06_06, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact
Reference:
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md5
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2aa11c090fd0737e52cd532418c1211e
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: "hostname=csharp-" Depth: 16
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Value: "&enckey="
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Value: !"User-Agent|3a|"
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Value: !"Referer|3a|"
Within:
PCRE:
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_client_body
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http_header
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http_header