diff --git a/malware/windigo-onimiki.yar b/malware/windigo-onimiki.yar new file mode 100644 index 0000000..7e1de9a --- /dev/null +++ b/malware/windigo-onimiki.yar @@ -0,0 +1,64 @@ +/* + This Yara ruleset is under the GNU-GPLv2 license (http://www.gnu.org/licenses/gpl-2.0.html) and open to any user or organization, as long as you use it under this license. + +*/ + +// Operation Windigo yara rules +// For feedback or questions contact us at: windigo@eset.sk +// https://github.com/eset/malware-ioc/ +// +// These yara rules are provided to the community under the two-clause BSD +// license as follows: +// +// Copyright (c) 2014, ESET +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are met: +// +// 1. Redistributions of source code must retain the above copyright notice, this +// list of conditions and the following disclaimer. +// +// 2. Redistributions in binary form must reproduce the above copyright notice, +// this list of conditions and the following disclaimer in the documentation +// and/or other materials provided with the distribution. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +rule onimiki +{ + meta: + description = "Linux/Onimiki malicious DNS server" + malware = "Linux/Onimiki" + operation = "Windigo" + author = "Olivier Bilodeau <bilodeau@eset.com>" + created = "2014-02-06" + reference = "http://www.welivesecurity.com/wp-content/uploads/2014/03/operation_windigo.pdf" + contact = "windigo@eset.sk" + source = "https://github.com/eset/malware-ioc/" + license = "BSD 2-Clause" + + strings: + // code from offset: 0x46CBCD + $a1 = {43 0F B6 74 2A 0E 43 0F B6 0C 2A 8D 7C 3D 00 8D} + $a2 = {74 35 00 8D 4C 0D 00 89 F8 41 F7 E3 89 F8 29 D0} + $a3 = {D1 E8 01 C2 89 F0 C1 EA 04 44 8D 0C 92 46 8D 0C} + $a4 = {8A 41 F7 E3 89 F0 44 29 CF 29 D0 D1 E8 01 C2 89} + $a5 = {C8 C1 EA 04 44 8D 04 92 46 8D 04 82 41 F7 E3 89} + $a6 = {C8 44 29 C6 29 D0 D1 E8 01 C2 C1 EA 04 8D 04 92} + $a7 = {8D 04 82 29 C1 42 0F B6 04 21 42 88 84 14 C0 01} + $a8 = {00 00 42 0F B6 04 27 43 88 04 32 42 0F B6 04 26} + $a9 = {42 88 84 14 A0 01 00 00 49 83 C2 01 49 83 FA 07} + + condition: + all of them +}