Re: [CentOS] SSHD rootkit in the wild/compromise for CentOS 5/6?

2013-02-26 Thread Johnny Hughes
On 02/25/2013 04:24 PM, Gelen James wrote: 'rpm -V' can be misleading, if taking into account of prelink on Redhat/Centos Boxes which is running through cron by default. I've shown the steps on reverse the effect of prelink at the comments sections at link

Re: [CentOS] SSHD rootkit in the wild/compromise for CentOS 5/6?

2013-02-26 Thread Guolin Cheng
It makes some sense to follow RHEL's suit, but Gelen's suggestions gain more points here too. As end users we probably turn off the default prelink settings after RHEL/Centos initial installation, it is not a rocket technology. On 2/26/13 8:10 AM, Johnny Hughes joh...@centos.org wrote: On

Re: [CentOS] SSHD rootkit in the wild/compromise for CentOS 5/6?

2013-02-26 Thread Peter Kjellström
On Monday 25 February 2013 14:24:28 Gelen James wrote: 'rpm -V' can be misleading, if taking into account of prelink on Redhat/Centos Boxes which is running through cron by default. I've shown the steps on reverse the effect of prelink at the comments sections at link

Re: [CentOS] SSHD rootkit in the wild/compromise for CentOS 5/6?

2013-02-26 Thread Markus Falb
On 25.Feb.2013, at 23:24, Gelen James wrote: 'rpm -V' can be misleading, if taking into account of prelink on Redhat/Centos Boxes which is running through cron by default. I've shown the steps on reverse the effect of prelink at the comments sections at link

Re: [CentOS] SSHD rootkit in the wild/compromise for CentOS 5/6?

2013-02-25 Thread Gelen James
Subject: Re: [CentOS] SSHD rootkit in the wild/compromise for CentOS 5/6? Am 23.02.2013 um 05:52 schrieb Karanbir Singh mail-li...@karan.org: On 02/22/2013 09:35 PM, Leon Fauster wrote: i use following script to scan top level directories for files that are not packaged: If you trust your rpm-db

Re: [CentOS] SSHD rootkit in the wild/compromise for CentOS 5/6?

2013-02-23 Thread Leon Fauster
Am 23.02.2013 um 05:52 schrieb Karanbir Singh mail-li...@karan.org: On 02/22/2013 09:35 PM, Leon Fauster wrote: i use following script to scan top level directories for files that are not packaged: If you trust your rpm-db, ... i used to scan this list rpm -qa --qf

Re: [CentOS] SSHD rootkit in the wild/compromise for CentOS 5/6?

2013-02-22 Thread Les Mikesell
On Thu, Feb 21, 2013 at 6:03 PM, Johnny Hughes joh...@centos.org wrote: This issue is not CentOS specific ... here is another discussion: http://www.webhostingtalk.com/showthread.php?t=1235797 The issue seems to be that someone with local access elevates their privileges in some manner, and

Re: [CentOS] SSHD rootkit in the wild/compromise for CentOS 5/6?

2013-02-22 Thread Eero Volotinen
But don't forget that what the kernel people call 'local' access really means any bug in any network application that lets you execute an arbitrary command even if it is non-root - and those have historically been pretty common. sounds like local install of famous php scripting language...

Re: [CentOS] SSHD rootkit in the wild/compromise for CentOS 5/6?

2013-02-22 Thread Johnny Hughes
On 02/22/2013 01:50 PM, Les Mikesell wrote: On Thu, Feb 21, 2013 at 6:03 PM, Johnny Hughes joh...@centos.org wrote: This issue is not CentOS specific ... here is another discussion: http://www.webhostingtalk.com/showthread.php?t=1235797 The issue seems to be that someone with local access

Re: [CentOS] SSHD rootkit in the wild/compromise for CentOS 5/6?

2013-02-22 Thread Leon Fauster
Am 22.02.2013 um 21:11 schrieb Johnny Hughes joh...@centos.org: On 02/22/2013 01:50 PM, Les Mikesell wrote: On Thu, Feb 21, 2013 at 6:03 PM, Johnny Hughes joh...@centos.org wrote: This issue is not CentOS specific ... here is another discussion:

Re: [CentOS] SSHD rootkit in the wild/compromise for CentOS 5/6?

2013-02-22 Thread Karanbir Singh
On 02/22/2013 09:35 PM, Leon Fauster wrote: i use following script to scan top level directories for files that are not packaged: If you trust your rpm-db, then something like my syscleanup script might also come in handy : https://www.gitorious.org/syscleanup/syscleanup/trees/master I

[CentOS] SSHD rootkit in the wild/compromise for CentOS 5/6?

2013-02-21 Thread Gilbert Sebenste
Hello everyone, I hope you are having a good day. However, I am concerned by this: https://isc.sans.edu/diary/SSHD+rootkit+in+the+wild/15229 Has anyone heard yet what the attack vector is, if 5.9 and 6.4 are affected, and if a patch is coming out? Thanks! Gilbert

Re: [CentOS] SSHD rootkit in the wild/compromise for CentOS 5/6?

2013-02-21 Thread Johnny Hughes
On 02/21/2013 05:32 PM, Gilbert Sebenste wrote: Hello everyone, I hope you are having a good day. However, I am concerned by this: https://isc.sans.edu/diary/SSHD+rootkit+in+the+wild/15229 Has anyone heard yet what the attack vector is, if 5.9 and 6.4 are affected, and if a patch is

Re: [CentOS] SSHD rootkit in the wild/compromise for CentOS 5/6?

2013-02-21 Thread Gilbert Sebenste
Thank you, Johnny, for that clarification, I appreciate it! I can relax a little now. :-) Gilbert *** Gilbert Sebenste (My opinions only!)