Anybody know what these POST requests are trying to do?

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Anybody know what these POST requests are trying to do?

Nevin Pratt
Recently our Seaside site has been getting a bunch of requests that are resulting in the following stack trace (pasted below).

Somebody is hitting our site via an expired session URL, but attempting to post a bunch of stuff in the process.  It appears to be harmless to the site, as the post arguments they are putting in the request are not recognized or being acted upon.

But this is very curious.

Notice the "http://www.pattibus.it/phplib-7.2b/pages/ilosi/dohigal/" URL they are using in the one I pasted below.  I'm seeing dozens of these, with this exact URL.  I'm also seeing a bunch with "http://sahel55.com/articles/omaduro/kimumid/", as well as some with "http://www.ce-cioceoforum.com/talk/t1/roda/ilubov/" in some of the other requests.

I've seen these off-and-on over the months.  Sometimes I would get a few, then I'd go weeks without seeing anything.  But today there has (so far) been a total of 25 of these types of request come in.  And there was a bunch yesterday, too.

It looks like a bot of some sort doing this.  But just what do you think these nuts are trying to do?

Nevin

******************
Dictionary(Object)>>error:
   self                a Dictionary('1'->a WAActionCallback '10'->a WAActionCallback '11'->a WAActionCallback '12'->a WAAct...etc...
   aString             'key not found'
--------
Dictionary>>errorKeyNotFound
   self                a Dictionary('1'->a WAActionCallback '10'->a WAActionCallback '11'->a WAActionCallback '12'->a WAAct...etc...
--------
[] in Dictionary>>at:
   self                a Dictionary('1'->a WAActionCallback '10'->a WAActionCallback '11'->a WAActionCallback '12'->a WAAct...etc...
   key                 'http://www.pattibus.it/phplib-7.2b/pages/ilosi/dohigal/'
--------
Dictionary>>at:ifAbsent:
   self                a Dictionary('1'->a WAActionCallback '10'->a WAActionCallback '11'->a WAActionCallback '12'->a WAAct...etc...
   key                 'http://www.pattibus.it/phplib-7.2b/pages/ilosi/dohigal/'
   aBlock              [] in Dictionary>>at:
   assoc               nil
--------
Dictionary>>at:
   self                a Dictionary('1'->a WAActionCallback '10'->a WAActionCallback '11'->a WAActionCallback '12'->a WAAct...etc...
   key                 'http://www.pattibus.it/phplib-7.2b/pages/ilosi/dohigal/'
--------
WACallbackStore>>evaluateCallbackAt:with:
   self                a WACallbackStore
   callbackKey         'http://www.pattibus.it/phplib-7.2b/pages/ilosi/dohigal/'
   anObject            ''
--------
[] in WACallbackStore>>processRequest:
   self                a WACallbackStore
   aRequest            a WARequest
   assoc               'http://www.pattibus.it/phplib-7.2b/pages/ilosi/dohigal/'->''
--------
SortedCollection(OrderedCollection)>>do:
   self                a SortedCollection('http://www.pattibus.it/phplib-7.2b/pages/ilosi/dohigal/'->'')
   aBlock              [] in WACallbackStore>>processRequest:
   index               2
--------
WACallbackStore>>processRequest:
   self                a WACallbackStore
   aRequest            a WARequest
   assoc               'http://www.pattibus.it/phplib-7.2b/pages/ilosi/dohigal/'->''
--------
[] in BBSession(WAControllerSession)>>render
   self                a BBSession(/seaside/index/@zpeSshbDYdkoJZVi)
   request             a WARequest
   callbacks           a WACallbackStore
   url                 nil
   n                   nil
--------
BlockContext>>on:do:
   self                [] in BBSession(WAControllerSession)>>render
   exception           WARenderNotification
   handlerAction       [] in BBSession(WAControllerSession)>>render
   handlerActive       true
--------
BBSession(WAControllerSession)>>render
   self                a BBSession(/seaside/index/@zpeSshbDYdkoJZVi)
   request             a WARequest
   callbacks           a WACallbackStore
   url                 nil
   n                   nil
--------
[] in BBSession(WAControllerSession)>>start:
   self                a BBSession(/seaside/index/@zpeSshbDYdkoJZVi)
   aRequest            a WARequest
--------
BlockContext>>repeat
   self                [] in BBSession(WAControllerSession)>>start:
--------
BBSession(WAControllerSession)>>start:
   self                a BBSession(/seaside/index/@zpeSshbDYdkoJZVi)
   aRequest            a WARequest
--------
[] in BBSession(WASession)>>enterSessionWithRequest:
   self                a BBSession(/seaside/index/@zpeSshbDYdkoJZVi)
   aRequest            a WARequest
--------
[] in BBSession(WASession)>>enterSession:
   self                a BBSession(/seaside/index/@zpeSshbDYdkoJZVi)
   aBlock              [] in BBSession(WASession)>>enterSessionWithRequest:
--------
BlockContext>>on:do:
   self                [] in BBSession(WASession)>>enterSession:
   exception           Error
   handlerAction       MessageSend(#handleError: -> a BBSession(/seaside/index/@zpeSshbDYdkoJZVi))
   handlerActive       true
--------
BBSession(WASession)>>withErrorHandler:
   self                a BBSession(/seaside/index/@zpeSshbDYdkoJZVi)
   aBlock              [] in BBSession(WASession)>>enterSession:
--------
[] in BBSession(WASession)>>enterSession:
   self                a BBSession(/seaside/index/@zpeSshbDYdkoJZVi)
   aBlock              [] in BBSession(WASession)>>enterSessionWithRequest:
--------
[] in BBSession(WASession)>>withEscapeContinuation:
   self                a BBSession(/seaside/index/@zpeSshbDYdkoJZVi)
   aBlock              [] in BBSession(WASession)>>enterSession:
   cc                  a Continuation
--------
Continuation class>>currentDo:
   self                Continuation
   aBlock              [] in BBSession(WASession)>>withEscapeContinuation:
--------
BBSession(WASession)>>withEscapeContinuation:
   self                a BBSession(/seaside/index/@zpeSshbDYdkoJZVi)
   aBlock              [] in BBSession(WASession)>>enterSession:
   cc                  a Continuation
--------
BBSession(WASession)>>enterSession:
   self                a BBSession(/seaside/index/@zpeSshbDYdkoJZVi)
   aBlock              [] in BBSession(WASession)>>enterSessionWithRequest:
--------
BBSession(WASession)>>enterSessionWithRequest:
   self                a BBSession(/seaside/index/@zpeSshbDYdkoJZVi)
   aRequest            a WARequest
--------
WAApplication>>handleDefaultRequest:
   self                a WAApplication
   aRequest            a WARequest
   session             a BBSession(/seaside/index/@zpeSshbDYdkoJZVi)
--------
WAApplication(WARegistry)>>handleRequest:
   self                a WAApplication
   aRequest            a WARequest
--------
WADispatcher>>handleRequest:
   self                a WADispatcher
   aRequest            a WARequest
--------
ComancheInterface>>handleRequest:
   self                a ComancheInterface
   aRequest            a WARequest
   url                 nil
   sel                 nil
--------
ComancheInterface>>processSeaside:
   self                a ComancheInterface
   komRequest          HttpRequest (URL=/seaside/index/home; protocol=HTTP/1.0; header=a Dictionary('accept'->'image/gif, i...etc...
   request             a WARequest
   response            nil
   komResponse         nil
   assoc               nil
--------
ComancheInterface>>process:
   self                a ComancheInterface
   aRequest            HttpRequest (URL=/seaside/index/home; protocol=HTTP/1.0; header=a Dictionary('accept'->'image/gif, i...etc...
   url                 '/seaside/index/home'
   searchIndex         ''
   removeEmail         ''
--------
ComancheNetService>>processNetworkRequest:
   self                Service: borges[running] port: 80
   aNetworkRequest     HttpRequest (URL=/seaside/index/home; protocol=HTTP/1.0; header=a Dictionary('accept'->'image/gif, i...etc...
--------
HttpAdaptor(NetworkProtocolAdaptor)>>dispatchRequest:
   self                a HttpAdaptor
   aNetworkRequest     HttpRequest (URL=/seaside/index/home; protocol=HTTP/1.0; header=a Dictionary('accept'->'image/gif, i...etc...
--------
[] in HttpAdaptor>>pvtGetResponseAndDo:
   self                a HttpAdaptor
   blk                 [] in HttpAdaptor>>beginConversation
   ex                  nil
--------
BlockContext>>on:do:
   self                [] in HttpAdaptor>>pvtGetResponseAndDo:
   exception           Error
   handlerAction       [] in HttpAdaptor>>pvtGetResponseAndDo:
   handlerActive       true
--------
HttpAdaptor>>pvtGetResponseAndDo:
   self                a HttpAdaptor
   blk                 [] in HttpAdaptor>>beginConversation
   ex                  nil
--------
[] in HttpAdaptor>>beginConversation
   self                a HttpAdaptor
   ex                  nil
--------
BlockContext>>on:do:
   self                [] in HttpAdaptor>>beginConversation
   exception           Error
   handlerAction       [] in HttpAdaptor>>beginConversation
   handlerActive       true
--------
HttpAdaptor>>beginConversation
   self                a HttpAdaptor
   ex                  nil
--------
HttpAdaptor class(NetworkProtocolAdaptor class)>>readAndWriteTo:target:
   self                HttpAdaptor
   aStream             a SocketStream
   aTarget             Service: borges[running] port: 80
--------
ComancheNetService>>serve:
   self                Service: borges[running] port: 80
   aSocket             a Socket[destroyed]
--------
[] in ComancheServer>>value:
   self                ComancheServer port: 80 [running]
   aSocket             a Socket[destroyed]
--------
[] in BlockContext>>newProcess
   self                [] in ComancheServer>>value:
--------


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Re: Anybody know what these POST requests are trying to do?

Blake-5
On Mon, 04 Feb 2008 12:56:02 -0800, Nevin Pratt <[hidden email]>  
wrote:
> It looks like a bot of some sort doing this.  But just what do you think
> these nuts are trying to do?

WAG: SPAM.
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Re: Anybody know what these POST requests are trying to do?

Nevin Pratt
Blake wrote:
> On Mon, 04 Feb 2008 12:56:02 -0800, Nevin Pratt
> <[hidden email]> wrote:
>> It looks like a bot of some sort doing this.  But just what do you think
>> these nuts are trying to do?
>
> WAG: SPAM.

I think it's a bit deeper than that.  I think some sites are vulnerable
to malicious redirects-- sort of like using an open email relay, but
with http requests instead of email.  And there's a bunch of bots whose
mission in life is to seek out and exploit such sites.  At least, that's
my suspicion.

But I really don't know.  That's why I'd love some further speculation
from other Seasiders.

Nevin

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Re: Anybody know what these POST requests are trying to do?

Nevin Pratt
Nevin Pratt wrote:

> Blake wrote:
>> On Mon, 04 Feb 2008 12:56:02 -0800, Nevin Pratt
>> <[hidden email]> wrote:
>>> It looks like a bot of some sort doing this.  But just what do you
>>> think
>>> these nuts are trying to do?
>>
>> WAG: SPAM.
>
> I think it's a bit deeper than that.  I think some sites are
> vulnerable to malicious redirects-- sort of like using an open email
> relay, but with http requests instead of email.  And there's a bunch
> of bots whose mission in life is to seek out and exploit such sites.  
> At least, that's my suspicion.
>
> But I really don't know.  That's why I'd love some further speculation
> from other Seasiders.
>
> Nevin
>

And I just got 6 more of these requests.  The stack trace on all six are
just like I posted earlier.

What are these guys trying to accomplish by doing this?

Nevin

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Re: Anybody know what these POST requests are trying to do?

Nevin Pratt




And I just got 6 more of these requests.  The stack trace on all six are just like I posted earlier.

What are these guys trying to accomplish by doing this?

Nevin

_______________________________________________


If you Google "http://www.pattibus.it/phplib-7.2b/pages/ilosi/dohigal/" (copied from the stack trace), you get this as one of the Google hits:

    http://www.aceepc.com/webstats/summary/cgi.html

This page has:

11/9/2007 to 2/4/2008: Top 100 CGI Scripts 

Top 10 Parameters with Top 10 values


And the pattibus.it nonsense is in the top 10 list.  So these guys are doing this crap on a lot of sites, and they are trying to accomplish something.

But what are they trying to accomplish?

Nevin

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Re: Anybody know what these POST requests are trying to do?

Stefan Schmiedl
In reply to this post by Nevin Pratt
On Mon, 04 Feb 2008 16:18:34 -0700
Nevin Pratt <[hidden email]> wrote:

>
> What are these guys trying to accomplish by doing this?

Gaining access to a valuable resource. I've seen php-based sites
allowing admin access to folks having admin access on remote machines
totally unrelated to the one they "hacked".

My guess would be that they harvested the referrer logs of some
site and are just blindly trying for access. It does not cost them
anything.

s.
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Re: Anybody know what these POST requests are trying to do?

Nevin Pratt
Stefan Schmiedl wrote:
On Mon, 04 Feb 2008 16:18:34 -0700
Nevin Pratt [hidden email] wrote:

  
What are these guys trying to accomplish by doing this?
    

Gaining access to a valuable resource. I've seen php-based sites
allowing admin access to folks having admin access on remote machines
totally unrelated to the one they "hacked".

My guess would be that they harvested the referrer logs of some
site and are just blindly trying for access. It does not cost them
anything.

s.
  

This sounds very believable.  I appreciate the insight.  To me this is the #1 theory so far.

Nevin


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Re: Anybody know what these POST requests are trying to do?

Lukas Renggli
>  This sounds very believable.  I appreciate the insight.  To me this is the
> #1 theory so far.

Newer versions of Seaside don't seem to be affected by this bug. On
www.squeaksource.com I fixed the problem by replacing that #at: in
#evaluateCallbackAt:with: with an #at:...ifAbsent: [ ^self ].

Cheers,
Lukas

--
Lukas Renggli
http://www.lukas-renggli.ch
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Re: Anybody know what these POST requests are trying to do?

Nevin Pratt
Lukas Renggli wrote:
 This sounds very believable.  I appreciate the insight.  To me this is the
#1 theory so far.
    

Newer versions of Seaside don't seem to be affected by this bug. On
www.squeaksource.com I fixed the problem by replacing that #at: in
#evaluateCallbackAt:with: with an #at:...ifAbsent: [ ^self ].

Cheers,
Lukas

  
Ah, I was hoping for something more devious, like forwarding the offending request to http://www.microsoft.com or something :-)

Just kidding.  Your fix looks good.

Nevin

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