""ET TROJAN W32/DirCrypt.Ransomware CnC Checkin""
SID: 2017308
Revision: 5
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2013_08_12, deployment Perimeter, signature_severity Major, tag Ransomware, updated_at 2015_09_29, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact
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: "POST"
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Value: "Content-Disposition|3A| form-data|3B| name=|22|cmd|22|"
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Value: "Content-Disposition|3A| form-data|3B| name=|22|botid|22|"
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Value: "Content-Disposition|3A| form-data|3B| name=|22|lid|22|"
Within:
PCRE:
Special Options:
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http_method
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http_client_body
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http_client_body
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http_client_body