40 lines
661 B
Text
40 lines
661 B
Text
rule REGEORG_Tuneller_generic
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{
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meta:
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author = "Mandiant"
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reference = "https://www.mandiant.com/resources/unc3524-eye-spy-email"
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date_created = "2021-12-20"
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date_modified = "2021-12-20"
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md5 = "ba22992ce835dadcd06bff4ab7b162f9"
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strings:
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$s1 = "System.Net.IPEndPoint"
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$s2 = "Response.AddHeader"
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$s3 = "Request.InputStream.Read"
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$s4 = "Request.Headers.Get"
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$s5 = "Response.Write"
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$s6 = "System.Buffer.BlockCopy"
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$s7 = "Response.BinaryWrite"
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$s8 = "SocketException soex"
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condition:
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filesize < 1MB and 7 of them
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}
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