35 lines
1 KiB
Text
35 lines
1 KiB
Text
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rule EQN_SMB1_PatientZero
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{
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meta:
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description = "Detection of network traffic towards the 1st sinkholes domain - kill switch"
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author = "Kiran Bandla - iDefense"
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reference = "https://s3.amazonaws.com/assets.accenture.com/PDF/Accenture-Security-Ransomware.pdf"
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strings:
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$smb1_free_hole = { 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ff fe 00 00 40 00 0c ff 00 00 00 04 11 0a 00 }
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$ipc = "\\\\%s\\IPC$"
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$userid = "__USERID__PLACEHOLDER__"
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$treeid = "__TREEID__PLACEHOLDER__"
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$old_c2 = "www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com"
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condition:
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$smb1_free_hole and $ipc and $userid and $treeid and $old_c2
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}
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rule WanaCrypt0r
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{
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meta:
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description = "Detects artifacts from WanaCrypt0r Ransomware"
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author = "Kiran Bandla - iDefense"
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reference = "https://s3.amazonaws.com/assets.accenture.com/PDF/Accenture-Security-Ransomware.pdf"
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strings:
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$a = "WanaDecryptor"
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$b = "Wana Decrypt0r"
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$c = "WanaCrypt0r"
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$d = ".wnry"
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$e = ".WNRY"
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$f = "bitcoin"
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$g = "vssadmin"
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$h = "torproject"
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condition:
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4 of them
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}
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