60 lines
2.6 KiB
Text
60 lines
2.6 KiB
Text
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// Operation Windigo yara rules
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// For feedback or questions contact us at: windigo@eset.sk
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// https://github.com/eset/malware-ioc/
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//
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// These yara rules are provided to the community under the two-clause BSD
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// license as follows:
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//
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// Copyright (c) 2014, ESET
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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rule onimiki
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{
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meta:
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description = "Linux/Onimiki malicious DNS server"
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malware = "Linux/Onimiki"
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operation = "Windigo"
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author = "Olivier Bilodeau <bilodeau@eset.com>"
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created = "2014-02-06"
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reference = "http://www.welivesecurity.com/wp-content/uploads/2014/03/operation_windigo.pdf"
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contact = "windigo@eset.sk"
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source = "https://github.com/eset/malware-ioc/"
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license = "BSD 2-Clause"
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strings:
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// code from offset: 0x46CBCD
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$a1 = {43 0F B6 74 2A 0E 43 0F B6 0C 2A 8D 7C 3D 00 8D}
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$a2 = {74 35 00 8D 4C 0D 00 89 F8 41 F7 E3 89 F8 29 D0}
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$a3 = {D1 E8 01 C2 89 F0 C1 EA 04 44 8D 0C 92 46 8D 0C}
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$a4 = {8A 41 F7 E3 89 F0 44 29 CF 29 D0 D1 E8 01 C2 89}
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$a5 = {C8 C1 EA 04 44 8D 04 92 46 8D 04 82 41 F7 E3 89}
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$a6 = {C8 44 29 C6 29 D0 D1 E8 01 C2 C1 EA 04 8D 04 92}
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$a7 = {8D 04 82 29 C1 42 0F B6 04 21 42 88 84 14 C0 01}
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$a8 = {00 00 42 0F B6 04 27 43 88 04 32 42 0F B6 04 26}
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$a9 = {42 88 84 14 A0 01 00 00 49 83 C2 01 49 83 FA 07}
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condition:
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all of them
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}
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