96 lines
No EOL
3.5 KiB
Text
96 lines
No EOL
3.5 KiB
Text
// Animal Farm yara rules
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// For feedback or questions contact us at: github@eset.com
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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) 2015, 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 ramFS
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{
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meta:
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Author = "Joan Calvet"
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Date = "2015/07/14"
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Description = "RamFS -- custom file system used by Animal Farm malware"
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Reference = "http://www.welivesecurity.com/2015/06/30/dino-spying-malware-analyzed/"
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Source = "https://github.com/eset/malware-ioc/"
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Contact = "github@eset.com"
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License = "BSD 2-Clause"
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strings:
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$mz = { 4d 5a }
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// Debug strings in RamFS
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$s01 = "Check: Error in File_List"
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$s02 = "Check: Error in FreeFileHeader_List"
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$s03 = "CD-->[%s]"
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$s04 = "!!!EXTRACT ERROR!!!File Does Not Exists-->[%s]"
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// RamFS parameters stored in the configuration
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$s05 = "tr4qa589" fullword
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$s06 = "xT0rvwz" fullword
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// RamFS commands
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$c01 = "INSTALL" fullword
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$c02 = "EXTRACT" fullword
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$c03 = "DELETE" fullword
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$c04 = "EXEC" fullword
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$c05 = "INJECT" fullword
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$c06 = "SLEEP" fullword
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$c07 = "KILL" fullword
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$c08 = "AUTODEL" fullword
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$c09 = "CD" fullword
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$c10 = "MD" fullword
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condition:
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( $mz at 0 ) and
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((1 of ($s*)) or (all of ($c*)))
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}
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rule dino
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{
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meta:
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Author = "Joan Calvet"
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Date = "2015/07/14"
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Description = "Dino backdoor"
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Reference = "http://www.welivesecurity.com/2015/06/30/dino-spying-malware-analyzed/"
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Source = "https://github.com/eset/malware-ioc/"
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Contact = "github@eset.com"
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License = "BSD 2-Clause"
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strings:
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$ = "PsmIsANiceM0du1eWith0SugarInsideA"
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$ = "destroyPSM"
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$ = "FM_PENDING_DOWN_%X"
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$ = "%s was canceled after %d try (reached MaxTry parameter)"
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$ = "you forgot value name"
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$ = "wakeup successfully scheduled in %d minutes"
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$ = "BD started at %s"
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$ = "decyphering failed on bd"
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condition:
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any of them
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} |