20 lines
862 B
Text
20 lines
862 B
Text
rule Windows_Ransomware_Cuba {
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meta:
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os = "Windows"
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arch = "x86"
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category_type = "Ransomware"
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family = "Cuba"
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threat_name = "Windows.Ransomware.Cuba"
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Reference_sample = "33352a38454cfc247bc7465bf177f5f97d7fd0bd220103d4422c8ec45b4d3d0e"
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Reference = "https://www.elastic.co/security-labs/cuba-ransomware-malware-analysis"
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strings:
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$a1 = { 45 EC 8B F9 8B 45 14 89 45 F0 8D 45 E4 50 8D 45 F8 66 0F 13 }
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$a2 = { 8B 06 81 38 46 49 44 45 75 ?? 81 78 04 4C 2E 43 41 74 }
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$b1 = "We also inform that your databases, ftp server and file server were downloaded by us to our servers." ascii fullword
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$b2 = "Good day. All your files are encrypted. For decryption contact us." ascii fullword
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$b3 = ".cuba" wide fullword
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condition:
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any of ($a*) or all of ($b*)
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}
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