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1870 discussions

RE: [SURBL-Discuss] general questions.....
by Chris Santerre 23 Nov '04

23 Nov '04

>-----Original Message----- >From: Jeff Chan [mailto:jeffc@surbl.org] >Sent: Friday, November 19, 2004 5:38 AM >To: SURBL Discuss >Subject: Re: [SURBL-Discuss] general questions..... > > >On Thursday, November 18, 2004, 12:13:26 PM, Chris Santerre wrote: >> About 15% of the spams I get are not in SURBL, but are by >the time I try to >> add :) > >Ask Terry Sullivan sometime what the theoretical maximum >detection rate of a collective spam classification system might >be. He had some research showing it maxes out at around 85%. >So we're probably already pretty close to the theoretical >limits of this type of system. Me thinks I need to google for more data on this :) > >> I have not done any study of domains that continue to try to >spam despite >> being in SURBL. Any numbers on these? Possibly the >most/longest hit domain >> in SURBL lookups?? > >> SHould we post the top 25 lookups to SURBL? > >You mean like: > > http://www.surbl.org/dns-queries.blocklist.counts.txt > Perfect! This is what I mean, block port 80 (or all ports for that matter) for Hits Domain 1875 imgehost.com Hosted by Electric Lightwave, eli.net. Domain List matching dns_a of 67.50.118.130 48 total matches * 1: 123onlinecash.com * 2: 500fastcash.com * 3: absoluteroi.com * 4: americash-online.com * 5: azooimages.com * 6: camasterd.com * 7: cashadvancenow.com * 8: cashbackvalues.com * 9: cashbuzz.com * 10: cbvmasterd.com * 11: costamasterd.com * 12: cvcmasterd.com * 13: d1masterd.com * 14: dabogus.com * 15: directdepositcash.com * 16: efastcashloans.com * 17: egcmasterd.com * 18: epointmasterd.com * 19: equity1auto.com * 20: equityoneauto.com * 21: ezcash-online.com * 22: fast-funds-online.com * 23: fastcashandgas.com * 24: fastcashusa.com * 25: financialhosting.com * 26: hostimages.net * 27: imagedataserver.com * 28: imagesbyaz.com * 29: imgehost.com * 30: imgserver.net * 31: inamasterd.com * 32: lighteningcash.com * 33: mbcashmasterd.com * 34: mycash-online.com * 35: myonlinepayday.com * 36: oledirect.com * 37: oledirect2.com * 38: oneclickcash.com * 39: paydaycity.com * 40: pclmasterd.com * 41: ptymasterd.com * 42: sellingsource.com * 43: smartshopperonline.com * 44: steaksofstlouis.com * 45: tpmasterd.com * 46: webfastcash.com * 47: xenlog.com * 48: yourfastcash.com By blocking port 80 (or all) at the firewall for this IP address, you don't have to worry about them getting new domain names. Only the worst cases should be blocked. If you have 48 spam domains on one host, you suck as an ISP :) I seriously would like to hear the ISP's argument for being unblocked on this one. --Chris

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Phishing attempt
by Mariano Absatz 23 Nov '04

23 Nov '04

Hi David et al. for some reason my Thunderbird severed the topmost headers (including trace headers) for this message (see bottom) I got this weekend. However, it seems to me it's a phishing attempt from 210.127.248.68... the page doesn't seem to be up, anyway. Checking in http://www.rulesemporium.com/cgi-bin/uribl.cgi the address only hit sc. Regards. -- Mariano Absatz - El Baby el (dot) baby (AT) gmail (dot) com el (punto) baby (ARROBA:@) gmail (punto) com From: "SunTrust Access Review" <holdaccount0115nf93797(a)suntrust.com> To: <baby(a)baby.com.ar> Subject: Banking Online Message IDXXX003014585815 Date: Fri, 19 Nov 2004 02:12:23 +0300 MIME-Version: 1.0 Content-Type: text/html; Content-Transfer-Encoding: quoted-printable X-Priority: 3 X-MSMail-Priority: Normal <html> <head> <title>SunTrust Account Access</title> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Diso-8859-= 1"> </head> <body bgcolor=3D"#FFFFFF" text=3D"#000000"> <table width=3D"940" border=3D"0" cellpadding=3D"0" cellspacing=3D"0"> <tr> <td colspan=3D"2" height=3D"66" valign=3D"top"><img src=3D"http://www.r= ogueweb.com/logo_home.gif" width=3D"171" height=3D"66"></td> <td width=3D"562"></td> <td width=3D"107"></td> </tr> <tr> <td height=3D"9" width=3D"26"></td> <td width=3D"245"></td> <td></td> <td></td> </tr> <tr> <td height=3D"176"></td> <td colspan=3D"2" valign=3D"top"> Dear Valued Customer, SunTrust Banks Inc., is committed to maintaining a safe environme= nt for our customers. To protect the security of your account, SunTrus= t Banks Inc., employs some of the most advanced security systems in the wor= ld and our anti-fraud teams regularly screen the SunTrust system for u= nusual activity. We are contacting you to remind you that on Nov. 17, 2004 our Acco= unt Review Team identified some unusual activity in your account. In ac= cordance with SunTrust's User Agreement and to ensure that your account has = not been compromised, access to your account was limited. Your account = access will remain limited until this issue has been resolved. We encourage you to log in and perform the steps necessary to rest= ore your account access as soon as possible. Allowing your account acce= ss to remain limited for an extended period of time may result in furt= her limitations on the use of your account and possible account closure= . Click here to unlock your <a href=3D"http://210.127.248.68/personal/check= ing/OnlineBanking/Internet_Banking/index.php">online access.</a> </td> <td></td> </tr> <tr> <td height=3D"26"></td> <td></td> <td></td> <td></td> </tr> <tr> <td height=3D"95"></td> <td colspan=3D"2" valign=3D"top"> Thank you for your prompt attention t= o this matter. Please understand that this is a security measure meant to he= lp protect you and your account. We apologize for any inconvenience. Sincerely, Suntrust Banks Inc., Account Review Department </td> <td></td> </tr> <tr> <td height=3D"18"></td> <td></td> <td></td> <td></td> </tr> </table> </body> </html>

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RE: [SURBL-Discuss] general questions.....
by Chris Santerre 22 Nov '04

22 Nov '04

>-----Original Message----- >From: David B Funk [mailto:dbfunk@engineering.uiowa.edu] >Sent: Saturday, November 20, 2004 12:31 AM >To: surbl(a)alexb.ch; SURBL Discussion list >Subject: Re: [SURBL-Discuss] general questions..... > > >On Thu, 18 Nov 2004, Alex Broens wrote: > >> Rob McEwen (PowerView Systems) wrote: >> >>Have any of you seen fewer spams? I don't see many these days. >> > >> > >> > Chris, >> > >> > Overall, I'm getting less and less spam. I think that >SURBL is getting better, some graymarketers are cleaning up >their acts, and my rules-based filering is also improving. >> > >> > However, a few days ago, I started getting slammed with >mortgage spam using the following domains: >> > >> > dalehaym.biz >> >> This I sent to SURBL on 2004-11-16 09:11:10 GMT +1 >> Why it never made it to the list is above me. >> >> Alex > >I think that something is wrong with the WS-surbl feed. >None of the entries that I've submitted in the past few days >have shown up in the ws.surbl list, usually they're posted >in less than an hour. > Actually thre is still a slight problem. One of the contributors on the submission list is swamped with work, and away from keyboard. We are having some technical issues removing him from the submission list. So he got a bunch that never got added. He forwarded them to me today. I will go thru. We are hoping to fix the problem soon. --Chris

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general questions.....
by Chris Santerre 21 Nov '04

21 Nov '04

Have any of you seen fewer spams? I don't see many these days. About 15% of the spams I get are not in SURBL, but are by the time I try to add :) I have not done any study of domains that continue to try to spam despite being in SURBL. Any numbers on these? Possibly the most/longest hit domain in SURBL lookups?? SHould we post the top 25 lookups to SURBL? This way people can look at maybe denying these by IP at firewall? --Chris (I am an anal-retentive and highly-clueful well-motivated maniac.) ;)

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Re: [SURBL-Discuss] general questions.....
by Rob McEwen (PowerView Systems) 20 Nov '04

20 Nov '04

> Have any of you seen fewer spams? I don't see many these days. Chris, Overall, I'm getting less and less spam. I think that SURBL is getting better, some graymarketers are cleaning up their acts, and my rules-based filering is also improving. However, a few days ago, I started getting slammed with mortgage spam using the following domains: dalehaym.biz dalehay.biz daleqhay.biz damphenm.biz darbherm.biz darbhero.biz darbkher.biz rbkher.biz (& others) An example spam is found here: http://www.pvsys.com/recentspamsample.txt In this example, the domain is: darbherm.biz ...but darbherm.biz doesn't resolve to anything. However, usa.darbherm.biz DOES resolve. (Of course, you have to go to the actual URL to get to a substantive page... see actual e-mail). (1) Could the fact that the baseline domain doesn't resolve have tricked us into thinking that these were no longer active? (2) Also, in a not-quite-applicable but related thought, should we rethink the policies for removing "dead" domains out of SURBL if they STILL appear in spams. For example, suppose a virus sends out the same spam for a now defunct domain over and over again... shouldn't such a domain STILL be listed in SURBL? Finally, maybe these particular domains I listed at the top of this message are not in SURBL because of having legit uses? But I must say that this particular "series" of spam came all of a sudden and ferociously frequent. For example, a couple of my clients would be getting at least a couple of dozen of these SAME e-mails **per day** if I hadn't adjusted my rules based filter to screen these out. Clearly, this kind of behavior where the spam is sent repeatedly each day is NOT playing by the rules. Rob McEwen

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RE: [SURBL-Discuss] general questions.....
by Chris Santerre 19 Nov '04

19 Nov '04

>-----Original Message----- >From: Jeff Chan [mailto:jeffc@surbl.org] >Sent: Friday, November 19, 2004 9:50 AM >To: SURBL Discuss >Subject: Re: [SURBL-Discuss] general questions..... > > >On Friday, November 19, 2004, 6:39:31 AM, Chris Santerre wrote: >>>From: Jeff Chan [mailto:jeffc@surbl.org] > >>>> I have not done any study of domains that continue to try to >>>spam despite >>>> being in SURBL. Any numbers on these? Possibly the >>>most/longest hit domain >>>> in SURBL lookups?? >>> >>>> SHould we post the top 25 lookups to SURBL? >>> >>>You mean like: >>> >>> http://www.surbl.org/dns-queries.blocklist.counts.txt >>> > >> Perfect! This is what I mean, block port 80 (or all ports >for that matter) >> for > >> Hits Domain >> 1875 imgehost.com > >> Hosted by Electric Lightwave, eli.net. > >> Domain List matching dns_a of 67.50.118.130 >> 48 total matches > >> * 1: 123onlinecash.com >> * 2: 500fastcash.com >[...] > >Uh, but that won't block the spam.... > This one is a reply to Rob as well. No, I'm thinking outside our 'norm'. This is not the sending IP. This is the hosting IP. You are correct in saying this will not stop spam coming. Unless SA starts to tag by looking up the IP of the URL. Which a certain ninja has been working on ;) This will stop any ads from showing up in the spam. This will allow others to black this so there users don't click on the junk being spamed. This will also say to ISPs, "Clean up your act, or no one will pay to be hosted by you anymore!". Its more an offensive strike against spam, rather then always being defensive. --Chris

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RE: [SURBL-Discuss] general questions.....
by Chris Santerre 19 Nov '04

19 Nov '04

Oh....I meant deny port 80. Not MX. Sorry. --Chris >-----Original Message----- >From: Rob McEwen (PowerView Systems) [mailto:rob@powerviewsystems.com] >Sent: Thursday, November 18, 2004 3:27 PM >To: SURBL Discussion list >Subject: RE: [SURBL-Discuss] general questions..... > >maybe denying these by IP at firewall? Also, the IP address of the sending server is NOT necessarily the IP address of the NameServer the domain is assigned to. (Or maybe I'm misunderstanding you altogether) Also... I don't mean to be so negative... certainly, this is the kind of brainstorming that leads to great ideas. I'm just double-checking your ideas :) Rob McEwen _______________

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RE: [SURBL-Discuss] general questions.....
by Rob McEwen (PowerView Systems) 19 Nov '04

19 Nov '04

> Hits Domain > 1875 imgehost.com > Hosted by Electric Lightwave, eli.net. > Domain List matching dns_a of > 48 total matches Chris, Just to help me understand you better, is the actual **sending server** for these particular spams always (or even mostly) "67.50.118.130" when looking at "real world" data? The reason that I ask is because the sending server is not necessarily the same server/IP as the IP address that the domain name itself resolves to. This is important because the sending server's IP is what gets checked with regular RBL blocking. Rob McEwen

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RE: [SURBL-Discuss] general questions.....
by Chris Santerre 19 Nov '04

19 Nov '04

> >SHould we post the top 25 lookups to SURBL? This way people can look at >maybe denying these by IP at firewall? > >--Chris >(I am an anal-retentive and highly-clueful well-motivated maniac.) ;) AN example to my own question: 63.251.163.112 Domain List matching dns_a of 63.251.163.112 308 total matches * 1: 01890.com * 2: 07078.com * 3: 1by.net * 4: 1dq.com * 5: 2000greatings.com * 6: 247ezmoney.com * 7: 24host-2.net * 8: 24newsengine.com * 9: 2night.us * 10: 2us.org * 11: 4hermail.com * 12: 4omni.com * 13: 4usamail.com * 14: 4yourmarriage.net * 15: 4yournextbiz.com * 16: 820.com * 17: a-pinups.com * 18: aaafes.com * 19: aaazzz.com * 20: abstractionists.com * 21: accesstosuccess.biz * 22: aclama.com * 23: acrosage.com * 24: acsalaksa.net * 25: activefactory.com * 26: actnownames.com * 27: acution.com * 28: addlebrain.com * 29: adultcompanion.com * 30: adultsite.com * 31: adulttryouts.com * 32: advanced-web.com * 33: affiliatewithus.com * 34: affordable-mortgages.com * 35: agoramail.com * 36: albuquerquedental.com * 37: 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phidelio.biz * 262: philshopping.com * 263: phoneahottie.com * 264: phoneme2.net * 265: photoworks.biz * 266: phpad.com * 267: pianoplayerplus.com * 268: poker-runs.com * 269: pollinate.net * 270: polllstar.com * 271: pornogirls.com * 272: pornsitepreview.com * 273: potash.org * 274: powerfan.com * 275: powerfulporn.com * 276: powerpromo.com * 277: powerupnetwork.com * 278: premiumdeal.com * 279: prescriptiondoc.com * 280: priceqoutes.com * 281: probedbyaliens.com * 282: proname.com * 283: puntocom.com * 284: pwcglobel.com * 285: registrationgroup.com * 286: respond1.biz * 287: rx4you.biz * 288: sagadreamcast.com * 289: sgg.com * 290: soft777.com * 291: sourcesbest.net * 292: sprint-canda.com * 293: starsearh.com * 294: sunnytown.org * 295: tamapbayrr.com * 296: theperfectsafelist.com * 297: timemagazin.com * 298: travelprofits.net * 299: trecomnet.com * 300: villigevoice.com * 301: votewithamerica.com * 302: webcamchicks.com * 303: wehostforyou.com * 304: worldxn.com * 305: wowzers.net * 306: www.actnownames.com * 307: www.dsouzamail.com * 308: www.hostm.net Should be blocked at firewall so nothing ever comes from these POS, IMHO. --Chris

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SC manual blacklist pruned
by Jeff Chan 19 Nov '04

19 Nov '04

We have a manual blacklist for the SC list that I use to nudge records without enough hits onto SC (sooner than they otherwise would): http://spamcheck.freeapp.net/blacklist-domains I've pruned that list, removing domain names that have had no NS records for three successive checks over about five weeks. That has reduced the manual blacklist list by about 270 records. Before removing those I checked to see how many DNS hits they were getting and only notinuse.biz had any of significance, so we kept that one on the manual blacklist. SC will probably be manually pruned again some time in future, but the list (both automatic and manual) is so small and effective to begin with that it tends not to need to much manual maintenance. Note that cleaning up the manual blacklist is not the same as whitelisting. Any record that comes off the manual blacklist can be manually or automatically blacklisted again in future at any time if it appears in spams again. So it's not at all a "free pass" to spammers or anything like that. It just means some domains that are unusable and don't appear in any recent spams are no longer included on SC for now. If they get used again, they'll get listed again. I still plan to re-write the SC-specific engine and the general data engine used for processing the SURBL data. The main features will be more uniform processing of the data, including public logs of additions, deletions, whitelists, etc. Aside from SC, the results should be identical, and I will run them in parallel for a while to make sure that's the case. The SC data will be handle more efficiently and probably have an resolved-IP-based biasing system to get the domains of persistent spammers onto SC sooner, automatically. Cheers, Jeff C. -- "If it appears in hams, then don't list it."

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