""ET TROJAN Ransomware.Hidden-Tear Variant CnC Checkin""
SID: 2034675
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2016_03_29, deployment Perimeter, performance_impact Low, signature_severity Major, tag Ransomware, updated_at 2023_10_02, reviewed_at 2023_10_02, 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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5ae92b52b0a6df8a64a5f98700bc290f
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
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Value: "GET"
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Value: ".php?info="
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Value: !"/CADability.php"
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Value: "|20|HTTP/1.1|0d 0a|Host|3a|"
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Value: !"User-Agent|3a|"
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Value: !"Accept"
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Value: !"Referer|3a|"
Within:
PCRE: "/^Host\x3a\x20[^\r\n]+\r\nConnection\x3a\x20Keep-Alive\r\n(?:\r\n)?$/Hmi"
Special Options:
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http_method
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http_uri
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http_uri
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nocase
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http_header
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http_header
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http_header