""ET TROJAN [PTsecurity] Kraken Ransomware Start Activity 2""
SID: 2026472
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 2018_10_11, deployment Perimeter, former_category MALWARE, malware_family Kraken_Ransomware, signature_severity Major, tag Ransomware, updated_at 2022_03_24, 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: !"."
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Value: !"&"
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Value: !"?"
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Value: "User-Agent|3a 20|"
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Value: "-"
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Value: "|3a|StartU|0d 0a|"
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Value: !"Referer|3a|"
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Value: !"Accept"
Within: 15
PCRE:
Special Options:
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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
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http_header
-
fast_pattern
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http_header
-
http_header