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<div><h1 class="title"><a id="id-1"></a>Apple Script Execution followed by Network Connection</h1><a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/security-docs/edit/8.1/docs/detections/prebuilt-rules/rule-details/apple-script-execution-followed-by-network-connection.asciidoc">edit</a></div>
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<strong>IMPORTANT</strong>: This documentation is no longer updated. Refer to <a href="https://www.elastic.co/support/eol">Elastic's version policy</a> and the <a href="https://www.elastic.co/docs/reference/security/prebuilt-rules/rules/macos/execution_scripting_osascript_exec_followed_by_netcon">latest documentation</a>.
</div>
<div class="section">
<div class="titlepage"><div><div>
<div class="position-relative"><h2 class="title"><a id="apple-script-execution-followed-by-network-connection"></a>Apple Script Execution followed by Network Connection</h2><a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/security-docs/edit/8.1/docs/detections/prebuilt-rules/rule-details/apple-script-execution-followed-by-network-connection.asciidoc">edit</a></div>
</div></div></div>
<p>Detects execution via the Apple script interpreter (osascript) followed by a network connection from the same process within a short time period. Adversaries may use malicious scripts for execution and command and control.</p>
<p><span class="strong strong"><strong>Rule type</strong></span>: eql</p>
<p><span class="strong strong"><strong>Rule indices</strong></span>:</p>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
auditbeat-*
</li>
<li class="listitem">
logs-endpoint.events.*
</li>
</ul>
</div>
<p><span class="strong strong"><strong>Severity</strong></span>: medium</p>
<p><span class="strong strong"><strong>Risk score</strong></span>: 47</p>
<p><span class="strong strong"><strong>Runs every</strong></span>: 5 minutes</p>
<p><span class="strong strong"><strong>Searches indices from</strong></span>: now-9m (<a href="/guide/en/elasticsearch/reference/8.1/common-options.html#date-math" class="ulink" target="_top">Date Math format</a>, see also <a class="xref" href="rules-ui-create.html#rule-schedule" title="Set the rule’s schedule"><code class="literal">Additional look-back time</code></a>)</p>
<p><span class="strong strong"><strong>Maximum alerts per execution</strong></span>: 100</p>
<p><span class="strong strong"><strong>References</strong></span>:</p>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
<a href="https://developer.apple.com/library/archive/documentation/LanguagesUtilities/Conceptual/MacAutomationScriptingGuide/index.html" class="ulink" target="_top">https://developer.apple.com/library/archive/documentation/LanguagesUtilities/Conceptual/MacAutomationScriptingGuide/index.html</a>
</li>
<li class="listitem">
<a href="https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml" class="ulink" target="_top">https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml</a>
</li>
</ul>
</div>
<p><span class="strong strong"><strong>Tags</strong></span>:</p>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Elastic
</li>
<li class="listitem">
Host
</li>
<li class="listitem">
macOS
</li>
<li class="listitem">
Threat Detection
</li>
<li class="listitem">
Command and Control
</li>
<li class="listitem">
Execution
</li>
</ul>
</div>
<p><span class="strong strong"><strong>Version</strong></span>: 3 (<a class="xref" href="apple-script-execution-followed-by-network-connection.html#apple-script-execution-followed-by-network-connection-history" title="Rule version history">version history</a>)</p>
<p><span class="strong strong"><strong>Added (Elastic Stack release)</strong></span>: 7.11.0</p>
<p><span class="strong strong"><strong>Last modified (Elastic Stack release)</strong></span>: 7.14.0</p>
<p><span class="strong strong"><strong>Rule authors</strong></span>: Elastic</p>
<p><span class="strong strong"><strong>Rule license</strong></span>: Elastic License v2</p>
<div class="section">
<div class="titlepage"><div><div>
<div class="position-relative"><h3 class="title"><a id="_rule_query_67"></a>Rule query</h3><a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/security-docs/edit/8.1/docs/detections/prebuilt-rules/rule-details/apple-script-execution-followed-by-network-connection.asciidoc">edit</a></div>
</div></div></div>
<div class="pre_wrapper lang-js">
<div class="console_code_copy" title="Copy to clipboard"></div>
<pre class="programlisting prettyprint lang-js">sequence by host.id, process.entity_id with maxspan=30s [process
where event.type == "start" and process.name == "osascript"] [network
where event.type != "end" and process.name == "osascript" and
destination.ip != "::1" and not cidrmatch(destination.ip,
"10.0.0.0/8", "127.0.0.0/8", "169.254.0.0/16", "172.16.0.0/12",
"192.0.0.0/24", "192.0.0.0/29", "192.0.0.8/32", "192.0.0.9/32",
"192.0.0.10/32", "192.0.0.170/32", "192.0.0.171/32", "192.0.2.0/24",
"192.31.196.0/24", "192.52.193.0/24", "192.168.0.0/16",
"192.88.99.0/24", "224.0.0.0/4", "100.64.0.0/10", "192.175.48.0/24",
"198.18.0.0/15", "198.51.100.0/24", "203.0.113.0/24", "240.0.0.0/4",
"::1", "FE80::/10", "FF00::/8")]</pre>
</div>
</div>
<div class="section">
<div class="titlepage"><div><div>
<div class="position-relative"><h3 class="title"><a id="_threat_mapping_66"></a>Threat mapping</h3><a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/security-docs/edit/8.1/docs/detections/prebuilt-rules/rule-details/apple-script-execution-followed-by-network-connection.asciidoc">edit</a></div>
</div></div></div>
<p><span class="strong strong"><strong>Framework</strong></span>: MITRE ATT&CK<sup>TM</sup></p>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
<p>Tactic:</p>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Name: Execution
</li>
<li class="listitem">
ID: TA0002
</li>
<li class="listitem">
Reference URL: <a href="https://attack.mitre.org/tactics/TA0002/" class="ulink" target="_top">https://attack.mitre.org/tactics/TA0002/</a>
</li>
</ul>
</div>
</li>
<li class="listitem">
<p>Technique:</p>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Name: Command and Scripting Interpreter
</li>
<li class="listitem">
ID: T1059
</li>
<li class="listitem">
Reference URL: <a href="https://attack.mitre.org/techniques/T1059/" class="ulink" target="_top">https://attack.mitre.org/techniques/T1059/</a>
</li>
</ul>
</div>
</li>
<li class="listitem">
<p>Tactic:</p>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Name: Command and Control
</li>
<li class="listitem">
ID: TA0011
</li>
<li class="listitem">
Reference URL: <a href="https://attack.mitre.org/tactics/TA0011/" class="ulink" target="_top">https://attack.mitre.org/tactics/TA0011/</a>
</li>
</ul>
</div>
</li>
<li class="listitem">
<p>Technique:</p>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Name: Ingress Tool Transfer
</li>
<li class="listitem">
ID: T1105
</li>
<li class="listitem">
Reference URL: <a href="https://attack.mitre.org/techniques/T1105/" class="ulink" target="_top">https://attack.mitre.org/techniques/T1105/</a>
</li>
</ul>
</div>
</li>
</ul>
</div>
</div>
<div class="section">
<div class="titlepage"><div><div>
<div class="position-relative"><h3 class="title"><a id="apple-script-execution-followed-by-network-connection-history"></a>Rule version history</h3><a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/security-docs/edit/8.1/docs/detections/prebuilt-rules/rule-details/apple-script-execution-followed-by-network-connection.asciidoc">edit</a></div>
</div></div></div>
<div class="variablelist">
<dl class="variablelist">
<dt>
<span class="term">
Version 3 (7.14.0 release)
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
<p>Updated query, changed from:</p>
<div class="pre_wrapper lang-js">
<div class="console_code_copy" title="Copy to clipboard"></div>
<pre class="programlisting prettyprint lang-js">sequence by host.id, process.entity_id with maxspan=30s [process
where event.type == "start" and process.name == "osascript"] [network
where event.type != "end" and process.name == "osascript" and
destination.ip != "::1" and not cidrmatch(destination.ip,
"10.0.0.0/8", "172.16.0.0/12",
"192.168.0.0/16", "127.0.0.0/8",
"169.254.0.0/16", "224.0.0.0/4",
"FE80::/10", "FF00::/8") ]</pre>
</div>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Version 2 (7.12.0 release)
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Formatting only
</li>
</ul>
</div>
</dd>
</dl>
</div>
</div>
</div>
</div>
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<a href="anomalous-windows-process-creation.html">« Anomalous Windows Process Creation</a>
</span>
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</span>
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