Re: London incidents

2005-07-07 Thread Gadi Evron
Neil J. McRae wrote: A number of explosion incidents have happened in London affecting the tube causing website and mobile phone saturation and some localised issues with the PSTN. From here we are able to route calls ok and networks seems a little busier, The BBC and Sky TV websites are very

Re: OT: RIP, James Doohan...

2005-07-20 Thread Gadi Evron
Fergie (Paul Ferguson) wrote: I know this is off-topic, but the "engineer's engineer" died early today, ironically, on the 36th anniversaty of the Apollo 11 lunar landing (20 July, 1969). http://www.cnn.com/2005/SHOWBIZ/TV/07/20/obit.doohan.ap/index.html So long, Mr. Scott. You'll be missed.

Re: Michael Lynn's presentation

2005-08-12 Thread Gadi Evron
J. Oquendo wrote: www.infiltrated.net/cisco/holygrail.pdf I find it rather funny, really. Back in defcon, everybody was trading the presentation quietly and eagerly. Then every kiddie started asking if anyone wants it. Then we all got URL's to download it from. Then there was another pass

Re: Holy Grail

2005-08-12 Thread Gadi Evron
[EMAIL PROTECTED] wrote: On Fri, 12 Aug 2005 12:33:40 EDT, "J. Oquendo" said: their equipment. If it's IPv6 based only, and not that big of a threat, then they should see no problem with the information being released. The specific exploit was IPv6 only. The concept that IOS is a sane ope

botnet reporting by AS - what about you?

2005-08-12 Thread Gadi Evron
Hello. The drone armies research and mitigation mailing list is moving its reporting mechanism to the next level. If you have updated contact information for any of the below AS owners, please contact me _off-list_. Thanks, Gadi. 3MENATWORK - 3menatwork.com AAPT AAPT Limited ABACU

Re: botnet reporting by AS - what about you?

2005-08-12 Thread Gadi Evron
What happened to replies off-list? Anyway, good point about actual ASN's, so here goes. Do you mean to tell me you can't find contact info for ANY of those ISPs on your own (like those ALTERNET guys, they're hard to track down)? Are you trying to start a service for notifing ISPs when they h

speaking of lynn...

2005-08-12 Thread Gadi Evron
Cisco flaw presentation spreads across the Web FBI Investigation... New copies of Michael Lynn's presentation on the Cisco router operating system flaw are springing up faster than the lawyers can take them down Cisco's lawyers are sending out cease-and-desist notices to Web sites that have pu

drone armies C&C report - July/2005

2005-08-15 Thread Gadi Evron
. Credit for gathering the data and compiling the statistics from our group efforts should go to the Statistics Project lead: Prof. Randal Vaughn <[EMAIL PROTECTED]> -- Gadi Evron, Israeli Government CERT Manager, Tehila, Ministry of Finance. [EMAIL PROTECTED] Office: +972-2-5317890 Fax:

zotob C&C servers

2005-08-15 Thread Gadi Evron
Hi guys. Zotob, once infected, connects the machine to a botnet C&C (command & control) server. Due to the extremely rapid spread of these worms, here is the C&C servers information that has been confirmed so far: 62.193.233.52:8080 84.244.7.62:8080 204.13.171.157:8080 62.193.233.4:8080 ASN

zotob - blocking tcp/445

2005-08-15 Thread Gadi Evron
I heard from several different big ISP's that to stop the spread of the worm they now block tcp/445. I suppose it works. Gadi.

Re: zotob C&C servers

2005-08-15 Thread Gadi Evron
Michael Grinnell wrote: We haven't seen it yet on our network, but I was hoping somebody might have a text dump or packet capture of the C&C traffic that they would be willing to send me so I can tune our IDS to recognize it.I already have exploit rules loaded, just wanted to see if th

Re: zotob - blocking tcp/445

2005-08-15 Thread Gadi Evron
Randy Bush wrote: I'm not nearly confident enough to decide on behalf of almost billion other people how they should benefit from the Internet and how not to. thanks for that! Indeed. Also see http://www.iab.org/documents/docs/2003-10-18-edge-filters.html as i just replied to a private m

Re: drone armies C&C report - July/2005

2005-08-15 Thread Gadi Evron
MARLON BORBA wrote: Going further I think IL-CERT is doing a great service to the Internet community. Their alerts allow to responsible network admins to investigate and to preserve their networks clean of debris like spyware and trojans. Do what you want with your networks, but PLEASE keep t

Re: zotob C&C servers

2005-08-15 Thread Gadi Evron
Michael Grinnell wrote: We haven't seen it yet on our network, but I was hoping somebody might have a text dump or packet capture of the C&C traffic that they would be willing to send me so I can tune our IDS to recognize it.I already have exploit rules loaded, just wanted to see if th

Re: zotob - blocking tcp/445

2005-08-15 Thread Gadi Evron
[snip arguments] Do not become the internet firewall for your large customer base... it's bad. Okay, so please allow me to alter the argument a bit. Say we agreed on: 1. Security is THEIR (customers') problems, not yours. 2. You are not the Internet's firewall. That would mean you would st

Re: zotob - blocking tcp/445

2005-08-16 Thread Gadi Evron
and again I point to the above rules. What your network can't handle 'scanning wise' is completely different from what the network I work on can handle. If your network is being jeopardized by some level of scanning they fix that, but that is a local decision. Blindly stating "large isps filter

Re: zotob - blocking tcp/445

2005-08-16 Thread Gadi Evron
Randy Bush wrote: Surely we realize that this discussion is not concerning the oft repeated "Internet's Firewall" debate. Its about containing a potential worm/virus outbreak. Call it a network wide quarantine. surely you realize that this discussion is not about civil rights and the constit

Re: OT: Yahoo- apparently now an extension of the Chinese govt secret police....

2005-09-07 Thread Gadi Evron
Personally, I see doing business in China about as logical as, say, giving 430 6th graders laptops with Internet access, and expecting them to pay attention in the classroom... Oh, and cutting the sports programs to afford those laptops. Man, if someone had given me a laptop in 6th grade, I wo

Re: OT: Yahoo- apparently now an extension of the Chinese govt secret police....

2005-09-07 Thread Gadi Evron
Bob Arthurs wrote: I should add that my original statement pertains to (obviously) the Chinese *government* alone! I am concerned about the repression that the Chinese people experience, and the basic freedoms that they lack. As far as 'China hate' is concerned- this definately doesn't app

router worms and International Infrastructure [was: Re: IOS exploit]

2005-09-19 Thread Gadi Evron
we need to start getting prepared to better defending the Internet as an International Infrastructure. As I am sure that this will be an interesting discussion, I am also sure this will eventually derail to a pointless argument over an un-related matter, here on NANOG. I'd appreciat

[Fwd: Cisco IOS hacked?]

2005-09-19 Thread Gadi Evron
Here's something from bugtraq on it. Gadi. --- Begin Message --- today news on SecurityLab.ru (only in russian): http://www.securitylab.ru/news/240415.php * break CRC on CISCO IOS * Desgin Mechanism of cross-platform worm for IOS device. * Run IRC server on 2600 CISCO. * Found more vul

Re: router worms and International Infrastructure

2005-09-19 Thread Gadi Evron
I'm curious as to why people think that the problem isn't being addressed? Can you be any more cryptic? :)

Re: router worms and International Infrastructure

2005-09-19 Thread Gadi Evron
So, how isn't it being addressed? The idea of Critical Infrastructure gets addressed in many countries. Some of them do not include ISP's in the equation as they are a private business. Some day, but can't force ISP's to cooperate. Whatever gets done and re-done is local, whether by ISP or

Re: router worms and International Infrastructure

2005-09-19 Thread Gadi Evron
Subnetwork specific worms? I only want to take down as1, as2 and as3, for example, rather than a large-scale 'internet killer' outage. Almost a year ago we had a crisis in Israel where something caused ONLY Israeli ISP clients to stop being able to use their DSL connections, and on the SAME

Re: router worms and International Infrastructure

2005-09-20 Thread Gadi Evron
Do you mean to imply that it was a router code worm or a normal worm? A "Warhol Worm" in a logically localized area (an AS or three) utilizing router exploitations would be spectacularly fast. Sorry for not explaining.. my point with the IL story was to show of a threat, not necessarily rela

Re: router worms and International Infrastructure

2005-09-20 Thread Gadi Evron
RFC2827 came out in May 2000. And that's something I will drink to every day. What has happened with it since? Based on its deployment history, where providers just have to act locally, I suspect that a requirement that providers act globally will result in either: a) I'll be collecting a

Call to Arms: Rita Scams

2005-09-22 Thread Gadi Evron
both in the US and abroad. We will update you as we proceed and when we are done. If you run an incident response team that can handle Internet abuse and would like to take part, please contact us as well. Thank you for your help. Gadi Evron.

Rita Scams Call to Arms - Update

2005-09-22 Thread Gadi Evron
To report a Rita Phishing Scam to the MWP Call to Arms Rita Task Force, please contact: US-CERT at [EMAIL PROTECTED] OR SANS ISC at [EMAIL PROTECTED] Gadi.

US-CERT on recovering from Katrina-like disasters

2005-09-23 Thread Gadi Evron
http://controlsystemssecurity.inl.gov/ Gadi.

Re: Call to Arms: Rita Scams

2005-09-23 Thread Gadi Evron
In case you missed it, Steve Linford of Spamhaus, posted to the NANAE newsgroup indicating he had been contacted by the FBI who also want to follow up with any Rita Scams ASAP. Instructions are please forward any scams that arrive in mail to your local Spamhaus volenteer. (IF you don't know

Re: 209.68.1.140 (209.68.1.0 /24) blocked by bellsouth.net for SMTP

2005-09-26 Thread Gadi Evron
Please, can't we just solve this with a little sanity, and stop these back and forth pissing match threads and off-topic posts? I honestly believe that the issue of the TAGS is secondary and once again this list is dragged into a long unrelated thread. I feel that Paul got fed up with how th

Re: 209.68.1.140 (209.68.1.0 /24) blocked by bellsouth.net for SMTP

2005-09-26 Thread Gadi Evron
Hannigan, Martin wrote: Maybe we should do some statistical analysis and see who the one person who starts most of these pi??ing contests, as you call them, is? The results may be interesting. Maybe we should do some statistical analysis of the prolific off topic posters and ego posters a

Re: 209.68.1.140 (209.68.1.0 /24) blocked by bellsouth.net for SMTP

2005-09-26 Thread Gadi Evron
Cat Okita wrote: Could the thieving donkey be so kind as to stop cross-posting? I am not on nanog-futures, and this interests all of us as a community. If I get a reply to a mailing list I am on, cross-posted to another list. I reply to the one I am on. I don't see why people keep insisting

Re: Too much on Cogent and Level 3

2005-10-08 Thread Gadi Evron
Steven M. Bellovin wrote: Will the list moderators please declare this topic closed? Two days ago, someone asked me "is this NANOG or Slashdot?" -- and it hasn't gotten any better. I don't think anyone is learning anything new at this point. If the moderators don't say something, could ever

Re: a record?

2005-11-14 Thread Gadi Evron
Other solution: disable IPv4 SSH and enable the IPv6 one, no scanning on that plane ;) Yet. -- My blog: http://blogs.securiteam.com/?author=6 "The third principle of sentient life is the capacity for self-sacrifice --- the conscious ability to override evolution and self-preservation for a

Re: a record?

2005-11-14 Thread Gadi Evron
Jeroen Massar wrote: Gadi Evron wrote: Other solution: disable IPv4 SSH and enable the IPv6 one, no scanning on that plane ;) Yet. Enjoy scanning, even I and I guess the rest of this list will be long time retired and sipping pina coladas and other good stuff (hot chocolate milk with

Re: Wifi Security

2005-11-21 Thread Gadi Evron
By setting up a fake AP, you can launch active attacks. Sure, people won't get the right certificate -- and they're not going to notice, especially if the (unencrypted) initial web splash page says something like "For added security, all SSL connections from this hotspot will use Starbucks-b

Re: Wifi Security

2005-11-21 Thread Gadi Evron
[EMAIL PROTECTED] wrote: * [EMAIL PROTECTED] (Stephen J. Wilcox) [Mon 21 Nov 2005, 16:07 CET]: On Mon, 21 Nov 2005, Patrick W. Gilmore wrote: Why would you even need to set up an AP? Why not just sit and sniff traffic? Gets you the _exact_ same information. man in the middle is eas

Re: Wifi Security

2005-11-21 Thread Gadi Evron
You could see this type of "physical" electronic warfare also employed in Iraq with the US Gov't bombing the center of GSM-blocking signal generators. GPS. Nor GSM.. but I suppose it woudl work the same way. -- My blog: http://blogs.securiteam.com/?author=6 "The third principle of sentient

Re: Wifi Security

2005-11-21 Thread Gadi Evron
Leaving the politics aside, it's a lot harder than it seems. After an active attack at a security conference a few years ago, a prof had some of his grad students investigate it. Multipath, variable signal attenuation, and the like make it very, very hard. (If it worked, the idea was to em

Re: trollage (Re: Akamai server reliability)

2005-11-29 Thread Gadi Evron
To quote a science fiction story I'm fond of, "efficiency depends on what you want to effish". --Steven M. Bellovin, http://www.cs.columbia.edu/~smb Sci-fi injection! (marking another beer owed) Gadi.

Re: #nanog: was Re: http://weblog.disgu.st down

2005-12-21 Thread Gadi Evron
Daniel Roesen wrote: On Wed, Dec 21, 2005 at 02:30:18PM -0600, Albert Meyer wrote: I'd like to see a useful #nanog where network operators could chat. That channel does exist but is not NANOG-related. Some #nanog folks who do want to finally chat on-topic hang out there. Quote from one of t

Re: Lycos pulls anti-spam screensaver from site

2004-12-03 Thread Gadi Evron
Fergie (Paul Ferguson) wrote: "Lycos Europe appeared to have pulled a controversial anti-spam screensaver program from its site on Friday, after coming under fire from both security experts and the spammers themselves." http://www.infoworld.com/article/04/12/03/HNlycospullsscreensaver_1.html Okay.

[Fwd: zone transfers, a spammer's dream?]

2004-12-08 Thread Gadi Evron
--- Begin Message --- Hello all, while doing some experiments with dig using a .fm domain I made a small typo. Much to my surprise the whole fm zone was transferable by anyone. It's obvious this is a fabulous source for dictionary spammers who just mail to generic addresses at as much domains as

drone army on the move, anyone wanna help out?

2004-12-09 Thread Gadi Evron
Hi guys. I figured I might as well ping, as I do once a year on different forums since `96, and send some information here asking for help. The following drone army seems to be on the move, switching binary and relay server, which is why I allow myself to post it openly. Anyone seeing any conne

networking related vulnerabilities - floodish december?

2004-12-14 Thread Gadi Evron
It appears like many of us will be very busy this month, on the network front. The linux kernel has two published vulnerabilities (one for IGMP - http://isec.pl/vulnerabilities/isec-0018-igmp.txt). MS released one for DHCP (http://go.microsoft.com/fwlink/?LinkId=36664) and last but not least -

Re: Spammers ordered to pay $1 billion

2004-12-20 Thread Gadi Evron
Hank Nussbacher wrote: http://www.cnn.com/2004/LAW/12/18/spam.lawsuit.ap/index.html What a nice present for the holiday season :-) -Hank Indeed! If it will hold after the appeal. Thing is, the spammers are not there to be found for paying, so they might not exist for appealing. Meaning this might

how many zombies? [was: Re: Anycast 101]

2004-12-20 Thread Gadi Evron
there are some million-bot drone armies out there. with enough attackers I've heard that claim before, but I've yet to be convinced that those making it were doing more than speculating. It is not unreasonable to believe there are millions of bot drones, but that is not the same as an army unde

Re: Anycast 101

2004-12-20 Thread Gadi Evron
Botnets are a new phenomenon. [ Gadi!?] hehe, I won't take the bait on that one Martin. :) I suppose that back in the days when it was "new" they weren't really called "armies", and _hackers_ would actually set up "real" bots on pwned boxes. Today we see less and less actual eggdrops/energymechs

Re: Anycast 101

2004-12-20 Thread Gadi Evron
Botnets aren't new. They've been prototyped on various IRC networks for years. It started with hordes of linked eggdrop bots for Death Star style privmsg/notice flood attacks on single users (1998? 1999?). When For history's sake, most people name BO and netbus as the "original" remote control

Re: Botnet pointer

2004-12-20 Thread Gadi Evron
william(at)elan.net wrote: Can somebody also share good definition of "BOT" and "BOTNET" for glossary and description of 2-4 lines? Should I also list it as synonymous with Zombie (bot being more hacker-oriented use and zombie being more toward spammer-oriented use)? I'd let others define a "bot

Re: Botnet pointer

2004-12-20 Thread Gadi Evron
"bot": derivative of "robot". An application on an infected computer used for orchestrated attacks or for distributed generation of spam, often distributed in or with viruses or other malware. Similar to "zombie", which is an older usage specific to distributed denial of service attacks. I bel

Re: Sanity worm defaces websites using php bug

2004-12-21 Thread Gadi Evron
cw wrote: Does anyone have any more detail on exactly what this thing does after it gets into a system? Check *any* AV web site. The cgi platform for a company I use has been hit and the effect is not just limited to phpBB, it seems to get into the server and then go through everything it can wr

Re: Sanity worm defaces websites using php bug

2004-12-21 Thread Gadi Evron
Dan Hollis wrote: On Tue, 21 Dec 2004, Fergie (Paul Ferguson) wrote: These people don't waste much time when a new exploit found, do they? Geez. http://isc.sans.org/diary.php?date=2004-12-21 Its exploiting a bug in old versions of phpbb, it's not using the recent php exploit. -Dan It isn't very

Israeli ISP's experience broadband dialer malware outbreak

2004-12-22 Thread Gadi Evron
I received several notices today from fellow ISP's, originally from an Israeli ISP's security information sharing mailing list, that several large Israeli ISP's experience an outbreak that cause tech support lines to overflow. Basically, this malware appears to change dialer configuration for

Re: Sanity worm defaces websites using php bug

2004-12-22 Thread Gadi Evron
Fergie (Paul Ferguson) wrote: These people don't waste much time when a new exploit found, do they? Geez. http://isc.sans.org/diary.php?date=2004-12-21 As a friend of mine just said.. good times! http://www.google.com/search?q=NeverEverNoSanity Gadi.

drone armies research and mitigation mailing list

2004-12-25 Thread Gadi Evron
Hi. We are in the process of forming a new drone army research and mitigation mailing list. Unlike other resources (which we don't come to compete with), this list will bring together anti virus researchers/reverse engineers, network admins and others who may be able to contribute. AV research

Re: TCP Syns to 445 and 11768

2005-01-07 Thread Gadi Evron
Cheung, Rick wrote: Hi. Anyone notice an increase of TCP Syns to port 11768, and 445 across random internet IPs? I googled the port, and found a similar posting here: http://www.trustedmatrix.org/portal/forum_viewtopic.php?7.954 We located the source on our network, updated DATs, an

domain hijacking - what do you do to prepared?

2005-01-16 Thread Gadi Evron
Until today, I considered this to be a real and relevant threat, although rather low in my matrix. As someone I know said today, now that kiddies saw how much "fun" this is, I am sure they will attempt this again. The question that comes to mind is - what do you do to be prepared? I suppose tha

panix.com in australian press

2005-01-17 Thread Gadi Evron
http://www.theage.com.au/articles/2005/01/17/1105810810053.html && http://www.smh.com.au/articles/2005/01/17/1105810810053.html Gadi.

Re: TCP Syns to 445 and 11768

2005-01-17 Thread Gadi Evron
MAN") at lurhq always comes up with the answers. -- Gadi Evron, Information Security Manager, Project Tehila - Israeli Government Internet Security. Ministry of Finance, Israel. [EMAIL PROTECTED] [EMAIL PROTECTED] Office: +972-2-5317890 Fax: +972-2-5317801 http://www.tehila.gov.il

Re: New Virus in the wild

2005-01-17 Thread Gadi Evron
Nils Ketelsen wrote: We see a lot of requests of the following format in our proxy logs: 1105979310.010 240001 10.3.12.211 TCP_MISS/504 1458 GET http://84.120.14.236:25204/2005/1/17/11/23/32/ - NONE/- text/html 1105979314.020 240009 10.3.12.211 TCP_MISS/504 1458 GET http://67.171.84.104:25238/2005/

Re: New Virus in the wild

2005-01-17 Thread Gadi Evron
I still have no clue what is causing this, but I am pretty clueless when it comes to Windows PCs anyway, and as you might have guessed: The PCs making these connections are windows machines. Continuing our off-list discussion for this on-list comment... Without a reboot, try to connect the outgoin

Re: New Virus in the wild

2005-01-17 Thread Gadi Evron
Nevertheless the total number of accessed addresses was still 1000 (over all hosts). So I think we might have in fact 1000 Addresses that are contacted/attacked. The complete list of contacted addresses can be found here: http://steering-group.net/~nils/ips.txt More to the point - how about the I

panix: theregister.co.uk article

2005-01-17 Thread Gadi Evron
http://www.theregister.co.uk/2005/01/17/panix_domain_hijack/ Gadi.

Re: New Virus in the wild

2005-01-18 Thread Gadi Evron
Nils Ketelsen wrote: I still have no clue what is causing this, but I am pretty clueless when it comes to Windows PCs anyway, and as you might have guessed: The PCs making these connections are windows machines. http://www.lurhq.com/baba.html Thanks go to Joe Stewart from lurhq. -- Gadi Evron

Re: New Virus in the wild

2005-01-18 Thread Gadi Evron
http://www.lurhq.com/baba.html Thanks go to Joe Stewart from lurhq. Further, please note this is the older variant. According to Joe the B variant was released Jan/12. Gadi.

[Fwd: Cisco Security Advisory: Vulnerability in Cisco IOS Embedded Call Processing Solutions]

2005-01-19 Thread Gadi Evron
. FYI if you haven't seen this yet. Gadi. --- Begin Message --- -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Cisco Security Advisory: Vulnerability in Cisco IOS Embedded Call Processing Solutions Revision 1.0 For Public Release 2005 January 19 1500 UTC +-

broke Inktomi floods?

2005-01-20 Thread Gadi Evron
over there? I can't seem to be able to reach them and this is becoming a real annoyance. Anyone else observing this? -- Gadi Evron, Information Security Manager, Project Tehila - Israeli Government Internet Security. Ministry of Finance, Israel. [EMAIL PROTECTED] [EMAIL PROTECTED] Office: +972

Re: broke Inktomi floods?

2005-01-22 Thread Gadi Evron
All Inktomi/Yahoo crawling is done from 68.142.248.0/22; the whois entry for that block says to report issues to [EMAIL PROTECTED] Have you tried alerting them to the problems yet? If yes, and if you didn't receive a response, please forward me the mail that you sent, and I'll see to it that the r

drone armies C&C report - Jan/2005

2005-01-30 Thread Gadi Evron
t;[EMAIL PROTECTED]> Gadi Evron (as specified below) -- Gadi Evron, Information Security Manager, Project Tehila - Israeli Government Internet Security. Ministry of Finance, Israel. [EMAIL PROTECTED] [EMAIL PROTECTED] Office: +972-2-5317890 Fax: +972-2-5317801 http://www.tehila.gov.il The opinions, v

Re: Time to check the rate limits on your mail servers

2005-02-03 Thread Gadi Evron
[EMAIL PROTECTED] wrote: CNET reports http://news.com.com/Zombie+trick+expected+to+send+spam+sky-high/2100-7349_3-5560664.html?tag=cd.top that botnets are now routing their mail traffic through the local ISP's mail servers rather than trying their own port 25 connections. Both on ASRG and here on

Re: Time to check the rate limits on your mail servers

2005-02-03 Thread Gadi Evron
Did you actially read the article? This was about drones sending out via its ISP mailserver. Blocking outbound 25 doesnt help a bit here. In general sure, good ide, and also start using submission for example. But in this contect its silly. No, it is relevant or I wouldn't have mentioned it. Al

Re: Time to check the rate limits on your mail servers

2005-02-03 Thread Gadi Evron
If a pro cannot clean it out safely, then i cannot imagine our typical homeuser would be able to... and with some luck he installs a firewall and antivirus next time, after reinstalling his system for the 4th or 5th time. You may want to check out some AT (Anti-Trojan) software such as The Cle

Re: Time to check the rate limits on your mail servers

2005-02-03 Thread Gadi Evron
You will never be sure you have picked up all, only the known ones. For a compromised system, unless running tripwire or something, reinstall! You can never be sure, that's why it's a backdoor/Trojan horse. Its a nice start, but it also tell people i am safe, and they dont know Yes, it is. AV pr

Re: Time to check the rate limits on your mail servers

2005-02-03 Thread Gadi Evron
This is no POC, we have seen this happen many many times. Perhaps some Wrong, and I will tell you why in a second. drone networks are a little 'behind' but in general, they are perfectly able to do this. Even with some static lists for some large ISPs mailservers they can perfectly initiate it

Re: Time to check the rate limits on your mail servers

2005-02-03 Thread Gadi Evron
Hello I am a bit concerned that blocking any port at all preventing abuse of the affected service will make the abusers go through other services instead. Port 139/445 is already blocked by several isps due to excessive abuse or I believe they call it 'a security measurement'. Even port 23 ha

Re: nanog coordination meeting video...

2005-02-07 Thread Gadi Evron
[EMAIL PROTECTED] wrote: On Mon, Feb 07, 2005 at 10:46:28AM -0800, Joel Jaeggli wrote: I put up an isma mpeg-4 recording from the NANOG 33 "Coordinating NANOG: Input From the Community" session up to supplement the m3 recording... Both are here: ftp://limestone.uoregon.edu/pub/videolab/video/nan

Re: IRC Bot list (cross posting)

2005-02-08 Thread Gadi Evron
Stephen J. Wilcox wrote: Hi, you probably didnt think of this but it might not be a good idea to publish a list of 3000 computers than can be infected/taken over for further nastiness. if you can privately send me a list of Ip addresses (no need to sort) i can assist you to distribute this infor

Re: IRC Bot list (cross posting)

2005-02-09 Thread Gadi Evron
Bill Nash wrote: Various persons put forth some amount of effort to, graciously, give other operators a heads up to the ongoing/potential abuse of their networks, and you're concerned about topical relevance? Why aren't you, Aside to if botnet issues were discussed here, it would flood the list

Re: IRC Bot list (cross posting)

2005-02-09 Thread Gadi Evron
Why is it a bad idea then? Because not all of us are Bill Nash who won't pwn a user. The same can easily be said for ANY public forum. Yes.

Re: Collecting PTR names or IP addresses (Was: Re: IRC Bot list (crossposting))

2005-02-14 Thread Gadi Evron
Ketil Froyn wrote: http://www.albany.edu/~ja6447/hacked_bots8.txt Isn't it a good idea to collect the IP addresses rather than the ptr name? For instance, if I were an evil person in control of the ptr record of my own IP, I could easily make the name something like 1-2-3-4.dsl.verizon.net, and if

Re: Collecting PTR names or IP addresses (Was: Re: IRC Bot list (cross posting))

2005-02-14 Thread Gadi Evron
PTR records are just as pointless as A records... in a secured DNS heirarchy, this is less of an issue We are not quite there yet, are we? since you have to spoof the entire delegation chain. so either trust the DNS (both forward and reverse) or not. For fo

Re: Collecting PTR names or IP addresses (Was: Re: IRC Bot list (cross posting))

2005-02-14 Thread Gadi Evron
Adam Jacob Muller wrote: Not possible with most modern IRCD's since they check forward and reverse dns. So for example if your address is: 1.2.3.4 and that resolves to: 1-2-3-4.dsl.verizon.net the ircd make sure that: 1-2-3-4.dsl.verizon.net resolves back to 1.2.3.4 it's a simple

Re: Collecting PTR names or IP addresses (Was: Re: IRC Bot list (crossposting))

2005-02-14 Thread Gadi Evron
I wouldn't collect the contents of an A record, if that's what you mean. I meant that it would be better to collect the IP of whoever is connected to the irc server directly, eliminating the entire, possibly misleading, step of DNS lookups. Faking that IP is more difficult. Agreed. I always store

Re: NANOG Changes

2005-02-17 Thread Gadi Evron
First, the NANOG list will now be moderated by a volunteer group that includes Marty Hannigan, Steve Gibbard, and Chris Malayter. Many thanks to these folks for taking on this role in upholding the list's AUP. Just a small comment from someone looking from the outside of the NANOG political m

Re: NANOG Changes

2005-02-17 Thread Gadi Evron
Speaking only for myself (and certainly not for Merit): The NANOG Reform group (http://www.nanog-reform.org), which has already gone on record supporting an open and democratic NANOG, was asked for volunteers. I think all three of us are looking at this as a temporary assignment until the broader

Re: NANOG Changes

2005-02-17 Thread Gadi Evron
something has to be arbitrary in the absence of a government, its a chicken and egg. i think you're looking for problems that arent there - do you or anyone have issue with the progress thus far? if not the question is moot. My question was answered. The current "government" which was not "chose

Re: NANOG Changes

2005-02-17 Thread Gadi Evron
Scott Weeks wrote: On Thu, 17 Feb 2005, Gadi Evron wrote: : want to see at this headache of a position, or we do it openly on the Yes, publically. Please. Publically - on NANOG itself, please.

Re: ChinaNet Contacts

2005-02-17 Thread Gadi Evron
Dave O'Shea wrote: They do have people in an LA office, as I got a call from one of them when I had a BGP session to them go down due to a max-prefix which had been exceeded. I guess if you have three times the population of the US, you're going to have one or two "black hats". Undoubtedly. It woul

Re: ChinaNet Contacts

2005-02-17 Thread Gadi Evron
Yo Vladis! Those of us who have *enough* trouble keeping our own broadband users zombie-free should be glad we're not the Korean CIRT staff. *THEY* got handed an entire *COUNTRY* full of clueless users on high-speed connections. Indeed, KrCERT is doing a very good job at cluing KR. They are very g

Re: NANOG Changes

2005-02-20 Thread Gadi Evron
It appears that they do not share your view, by reading nanog-futures. The new mailing list administration has already demonstrated that it had zero credibility: Yesterday, I posted something that displeased Martin Hanningan and was told that I needed his permission. As I was browsing the archive,

drone armies C&C report - Feb/2005

2005-03-06 Thread Gadi Evron
tBot, actual SDbots, etc.). Contact information: Hank Nussbacher <[EMAIL PROTECTED]> Gadi Evron (as specified below) -- Gadi Evron, Information Security Manager, Project Tehila - Israeli Government Internet Security. Ministry of Finance, Israel. [EMAIL PROTECTED] [EMAIL PROTECTED] Office: +972-2

Re: sorbs.net

2005-03-15 Thread Gadi Evron
From http://www.us.sorbs.net/faq/spamdb.shtml "Third and finally, if you are really not a spammer, or you are truly reformed, de-listing is relatively easy. You donate US$50 to a charity or trust approved by, and not connected with, SORBS for each spam received relating to the listing (This is k

Re: PKI for medium scale network operations

2005-03-25 Thread Gadi Evron
Sean Donelan wrote: Routers, IP phones, VPN, etc are starting to get reasonable support for certificates. So network operators may need some PKI as part of their infrastructure (rather than the traditional application-layer PKI such as Web/SSL). But there seems to be only two choices for Public Ke

Re: PKI for medium scale network operations

2005-03-26 Thread Gadi Evron
[snip] organization. Also I didn't say it, but I'm not looking to identify natural people. [snip] The Cisco IOS CA and Microsoft CA have the advantage of being integrated with a lot of each vendor's products. Once set up, both try to simplfy on-going maintenance as long as you use their products.

how about the basics? [was: Re: Blocking port 53]

2005-03-28 Thread Gadi Evron
John Levine wrote: I thought everyone ran an ssh server on port 443 by now. It's the easiest way to get through these overbearing firewalls. Inbound: Agreed. As we all know, applications running on web servers are the easiest way to get into an organization. Run as many routers and fire

phishing sites report - March/2005

2005-03-28 Thread Gadi Evron
help them in the future (especially the attacked eCommerce sites and the hosting service providers). * By previous requests here is an explanation of what "ASN" is, by Joe St Sauver: http://darkwing.uoregon.edu/~joe/one-pager-asn.pdf -- Gadi Evron, Information Security Manager,

Re: phishing sites report - March/2005

2005-03-28 Thread Gadi Evron
Daniel Golding wrote: Forgive me for being skeptical, but... I would prefer you being skeptical. Please don't take my word on any of this. How do you come up with these? Are these the direct upstream ISPs of the These are the digested results from the reports sent to the malicious websites and p

Re: phishing sites report - March/2005

2005-03-28 Thread Gadi Evron
Daniel Golding wrote: Gadi, This report isn't terribly useful without the IP addresses (or URLs) in question. How could an ISP start investigating and/or null routing these addresses without having the list? I suppose I'm skeptical because some of those ASNs are not big content hosters. Some are tr

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