Sneed-Reactivity/yara-mikesxrs/eset/OSX_Keydnap_backdoor.yar
Sam Sneed 08e8d462fe OMG ISTG PLS WORK
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2024-07-25 12:43:35 -05:00

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// Keydnap packer yara rule
// https://github.com/eset/malware-ioc/
//
// These yara rules are provided to the community under the two-clause BSD
// license as follows:
//
// Copyright (c) 2016, 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 keydnap_backdoor
{
meta:
description = "Unpacked OSX/Keydnap backdoor"
author = "Marc-Etienne M. Leveille"
date = "2016-07-06"
reference = "http://www.welivesecurity.com/2016/07/06/new-osxkeydnap-malware-is-hungry-for-credentials"
version = "1"
strings:
$ = "api/osx/get_task"
$ = "api/osx/cmd_executed"
$ = "Loader-"
$ = "u2RLhh+!LGd9p8!ZtuKcN"
$ = "com.apple.iCloud.sync.daemon"
condition:
2 of them
}