Re: slapper countermeasures

2002-09-29 Thread Justin Ryan
On Wed, 2002-09-18 at 06:05, Michael Renzmann wrote: killall .bugtraq would be suitable as well, and it would destroy every other instance of the program that is running currently. Even if detecting the current PPID does not work for whatever reason. *chuckle* Unrelated to the

Re: slapper countermeasures

2002-09-28 Thread Ullrich Jans
KevinL [EMAIL PROTECTED] writes: On Wed, 2002-09-18 at 06:05, Michael Renzmann wrote: killall .bugtraq would be suitable as well, and it would destroy every other instance of the program that is running currently. Even if detecting the current PPID does not work for whatever reason.

Re: slapper countermeasures

2002-09-28 Thread Ullrich Jans
KevinL [EMAIL PROTECTED] writes: On Wed, 2002-09-18 at 06:05, Michael Renzmann wrote: killall .bugtraq would be suitable as well, and it would destroy every other instance of the program that is running currently. Even if detecting the current PPID does not work for whatever reason.

Re: slapper countermeasures

2002-09-25 Thread Bernd Zeimetz
hi, Solaris is vulnerable to this bug? Solaris killall kills _everything_ - not just the named process. Erm... ok, good point. Never used Solaris so far :) Use pkill @ solaris. RTFM man pgrep, man pkill... Ciao, Bernd -- Bernd Zeimetz - DH4PH - Tel.: +49

Re: slapper countermeasures

2002-09-25 Thread Bernd Zeimetz
hi, Solaris is vulnerable to this bug? Solaris killall kills _everything_ - not just the named process. Erm... ok, good point. Never used Solaris so far :) Use pkill @ solaris. RTFM man pgrep, man pkill... Ciao, Bernd -- Bernd Zeimetz - DH4PH - Tel.: +49 (0)6151

Re: slapper countermeasures

2002-09-19 Thread Emil Pedersen
[...] Indeed. A similar case to this is the Good Samaritan Act was abolished, or at least changed in Australia to the point that if some one was mown down by a bus and you pulled them off the road and they still died, you could be sued by the family for killing them. It's a load of crud,

Re: slapper countermeasures

2002-09-19 Thread thing
Geoff Crompton wrote: (I've been trying to think of a reason that the owner of an infected box would not appreciate efforts to sanitize the box). simple gross stupidity I mean they didnt patch it on the first place... Mind you if you did fix it for them they would probably never notice.

Re: slapper countermeasures

2002-09-19 Thread Jason Clarke
- Original Message - From: thing [EMAIL PROTECTED] Subject: Re: slapper countermeasures Geoff Crompton wrote: (I've been trying to think of a reason that the owner of an infected box would not appreciate efforts to sanitize the box). Mind you if you did fix it for them

Re: slapper countermeasures

2002-09-19 Thread Alan Shutko
Geoff Crompton [EMAIL PROTECTED] writes: (I've been trying to think of a reason that the owner of an infected box would not appreciate efforts to sanitize the box). The big problem is that it's possible your efforts actually damage important services or data that the virus didn't.

Re: slapper countermeasures

2002-09-19 Thread thing
someone needs to fix thier anti-spam filter regards Thing Jaroslaw Tabor wrote: Your mail has been rejected by anti-spam filter

Re: slapper countermeasures

2002-09-19 Thread Emil Pedersen
[...] Indeed. A similar case to this is the Good Samaritan Act was abolished, or at least changed in Australia to the point that if some one was mown down by a bus and you pulled them off the road and they still died, you could be sued by the family for killing them. It's a load of crud, but

Re: slapper countermeasures

2002-09-18 Thread Vikki Roemer
Ralf Dreibrodt wrote: Hi, Michael Renzmann wrote: Opinions? you want to use a backdoor to get access a server, on which you are not allowed to get access. after that you want to modify the server (killing processes, deleting files) and you use the server without permission (for

Re: slapper countermeasures

2002-09-18 Thread Geoff Crompton
On Wed, Sep 18, 2002 at 08:29:15PM -0400, Vikki Roemer wrote: Hmm... well, I know the law usually isn't this flexible, but from a common-sense point-of-view, I think in this case most people would agree that Mike's and Jean's ideas are a Good Thing. I mean, it's not like they're going to

Re: slapper countermeasures

2002-09-18 Thread thing
Geoff Crompton wrote: (I've been trying to think of a reason that the owner of an infected box would not appreciate efforts to sanitize the box). simple gross stupidity I mean they didnt patch it on the first place... Mind you if you did fix it for them they would probably never

Re: slapper countermeasures

2002-09-18 Thread Jason Clarke
- Original Message - From: thing [EMAIL PROTECTED] Subject: Re: slapper countermeasures Geoff Crompton wrote: (I've been trying to think of a reason that the owner of an infected box would not appreciate efforts to sanitize the box). Mind you if you did fix it for them

Re: slapper countermeasures

2002-09-18 Thread Alan Shutko
Geoff Crompton [EMAIL PROTECTED] writes: (I've been trying to think of a reason that the owner of an infected box would not appreciate efforts to sanitize the box). The big problem is that it's possible your efforts actually damage important services or data that the virus didn't.

Re: slapper countermeasures

2002-09-18 Thread thing
someone needs to fix thier anti-spam filter regards Thing Jaroslaw Tabor wrote: Your mail has been rejected by anti-spam filter -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]

Re: slapper countermeasures

2002-09-18 Thread Vikki Roemer
Ralf Dreibrodt wrote: Hi, Michael Renzmann wrote: Opinions? you want to use a backdoor to get access a server, on which you are not allowed to get access. after that you want to modify the server (killing processes, deleting files) and you use the server without permission (for

Re: slapper countermeasures

2002-09-18 Thread Geoff Crompton
On Wed, Sep 18, 2002 at 08:29:15PM -0400, Vikki Roemer wrote: Hmm... well, I know the law usually isn't this flexible, but from a common-sense point-of-view, I think in this case most people would agree that Mike's and Jean's ideas are a Good Thing. I mean, it's not like they're going to

slapper countermeasures

2002-09-17 Thread Michael Renzmann
Hi all. How about the following idea: one could use the udp command language that is implemented within the slapper worm to issue some commands for self-deletion of the worm and informing the root user of every system about how to close the hole. As far as I understood there is a network

Re: slapper countermeasures

2002-09-17 Thread Michael Renzmann
Hi. Jean Christophe ANDRÃ0/00 wrote: Same idea here this night! :) Hehe :) I was thinking about the *good* way to do it... May be something like this (root mail, some wait, virus self-kill): /bin/ls -la /tmp | /bin/mail -s You have been infected by the Slapper worm root /bin/sleep 300

Re: slapper countermeasures

2002-09-17 Thread Ralf Dreibrodt
Hi, Michael Renzmann wrote: Opinions? you want to use a backdoor to get access a server, on which you are not allowed to get access. after that you want to modify the server (killing processes, deleting files) and you use the server without permission (for sending mail). well, IANAL, but

Re: slapper countermeasures

2002-09-17 Thread Ralf Dreibrodt
Hi, hedrivings sorry, i forgot to change this to experience...hedrivings is only for german people ;) -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]

Re: slapper countermeasures

2002-09-17 Thread Michael Renzmann
Hi. Opinions? you want to use a backdoor to get access a server, on which you are not allowed to get access. [...] I know this can rise problems. We recently had a discussion like this which showed up good arguments for both sides. Asking a lawyer won't be of much help because they can't

Re: slapper countermeasures

2002-09-17 Thread Jean Christophe ANDRÉ
J.C. André écrivait : May be something like this (root mail, some wait, virus self-kill): /bin/ls -la /tmp | /bin/mail -s You have been infected by the Slapper worm root /bin/sleep 300 # to wait for the propagation, some network are slow /bin/kill -9 $PPID # *MUST* CHECK IF IT

Re: slapper countermeasures

2002-09-17 Thread Ralf Dreibrodt
Michael Renzmann wrote: i already made some bad hedrivings a few years ago with something like this... But one thing I would like to know: what do you mean with hedrivings? :) experiences. i asked a friend, what i could say for erfahrungen in english, he answered hedrivings, so fast,

Re: slapper countermeasures

2002-09-17 Thread Jean Christophe ANDRÉ
Ralf Dreibrodt écrivait : you want to use a backdoor to get access a server, on which you are not allowed to get access. after that you want to modify the server (killing processes, deleting files) and you use the server without permission (for sending mail). well, IANAL, but you should

Re: slapper countermeasures

2002-09-17 Thread Michael Renzmann
Hi. Jean Christophe ANDRÃ0/00 wrote: The problem will be: every command that slapper executes runs with the uid of the infiltrated ssl webserver. So the kill will also run as the same uid... *bing* Ok, got the point. I forgot that the uid is allowed to kill processes with it's own uid. So I

Re: slapper countermeasures

2002-09-17 Thread KevinL
On Wed, 2002-09-18 at 06:05, Michael Renzmann wrote: killall .bugtraq would be suitable as well, and it would destroy every other instance of the program that is running currently. Even if detecting the current PPID does not work for whatever reason. *chuckle* Solaris is vulnerable to this

Re: slapper countermeasures

2002-09-17 Thread Jean Christophe ANDRÉ
KevinL écrivait : On Wed, 2002-09-18 at 06:05, Michael Renzmann wrote: killall .bugtraq would be suitable as well, and it would destroy every other instance of the program that is running currently. Even if detecting the current PPID does not work for whatever reason. Solaris is

Re: slapper countermeasures

2002-09-17 Thread Michael Renzmann
Hi. Jean Christophe ANDRÃ0/00 wrote: But may be the main point is: is it really possible to have multiple instance of the .bugtraq program?!? If so, all of them would join the network and should receive the mail-sleep-kill command! I've seen two processes running on an infected server. But

slapper countermeasures

2002-09-17 Thread Michael Renzmann
Hi all. How about the following idea: one could use the udp command language that is implemented within the slapper worm to issue some commands for self-deletion of the worm and informing the root user of every system about how to close the hole. As far as I understood there is a network

Re: slapper countermeasures

2002-09-17 Thread Jean Christophe ANDRÉ
Michael Renzmann écrivait : Hi all. How about the following idea: one could use the udp command language that is implemented within the slapper worm to issue some commands for self-deletion of the worm and informing the root user of every system about how to close the hole. As far as I

Re: slapper countermeasures

2002-09-17 Thread Michael Renzmann
Hi. Jean Christophe ANDRÃ0/00 wrote: Same idea here this night! :) Hehe :) I was thinking about the *good* way to do it... May be something like this (root mail, some wait, virus self-kill): /bin/ls -la /tmp | /bin/mail -s You have been infected by the Slapper worm root /bin/sleep 300

Re: slapper countermeasures

2002-09-17 Thread Ralf Dreibrodt
Hi, hedrivings sorry, i forgot to change this to experience...hedrivings is only for german people ;)

Re: slapper countermeasures

2002-09-17 Thread Michael Renzmann
Hi. Opinions? you want to use a backdoor to get access a server, on which you are not allowed to get access. [...] I know this can rise problems. We recently had a discussion like this which showed up good arguments for both sides. Asking a lawyer won't be of much help because they can't

Re: slapper countermeasures

2002-09-17 Thread Jean Christophe ANDRÉ
J.C. André écrivait : May be something like this (root mail, some wait, virus self-kill): /bin/ls -la /tmp | /bin/mail -s You have been infected by the Slapper worm root /bin/sleep 300 # to wait for the propagation, some network are slow /bin/kill -9 $PPID # *MUST* CHECK IF IT

Re: slapper countermeasures

2002-09-17 Thread Ralf Dreibrodt
Michael Renzmann wrote: i already made some bad hedrivings a few years ago with something like this... But one thing I would like to know: what do you mean with hedrivings? :) experiences. i asked a friend, what i could say for erfahrungen in english, he answered hedrivings, so fast,

Re: slapper countermeasures

2002-09-17 Thread Michael Renzmann
Hi. Ralf Dreibrodt wrote: experiences. i asked a friend, what i could say for erfahrungen in english, he answered hedrivings, so fast, that i didn't doubt. Ah, I see... english for runaways ;) Bye, Mike

Re: slapper countermeasures

2002-09-17 Thread Michael Renzmann
Hi. Jean Christophe ANDRÃ0/00 wrote: The problem will be: every command that slapper executes runs with the uid of the infiltrated ssl webserver. So the kill will also run as the same uid... *bing* Ok, got the point. I forgot that the uid is allowed to kill processes with it's own uid.

Re: slapper countermeasures

2002-09-17 Thread KevinL
On Wed, 2002-09-18 at 06:05, Michael Renzmann wrote: killall .bugtraq would be suitable as well, and it would destroy every other instance of the program that is running currently. Even if detecting the current PPID does not work for whatever reason. *chuckle* Solaris is vulnerable to this

Re: slapper countermeasures

2002-09-17 Thread Jean Christophe ANDRÉ
KevinL écrivait : On Wed, 2002-09-18 at 06:05, Michael Renzmann wrote: killall .bugtraq would be suitable as well, and it would destroy every other instance of the program that is running currently. Even if detecting the current PPID does not work for whatever reason. Solaris is

Re: slapper countermeasures

2002-09-17 Thread Michael Renzmann
Hi. KevinL wrote: killall .bugtraq would be suitable as well, and it would destroy every other instance of the program that is running currently. Even if detecting the current PPID does not work for whatever reason. *chuckle* Solaris is vulnerable to this bug? Solaris killall kills

Re: slapper countermeasures

2002-09-17 Thread Michael Renzmann
Hi. Jean Christophe ANDRÃ0/00 wrote: But may be the main point is: is it really possible to have multiple instance of the .bugtraq program?!? If so, all of them would join the network and should receive the mail-sleep-kill command! I've seen two processes running on an infected server. But