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 Dubbi scansione chkrootkit
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ant21
Senior Member




121 Messaggi


Inserito il - 02/10/2005 : 11:28:47  Mostra Profilo
Buon giorno

qualcuno sa interpretarmi questa scansione, nel senso che mi dà un warning dicendomi che ho un possibile trojan e che ho 10 processi nascosti per il comando : ps

[rootalice chkrootkit-0.45]# ./chkrootkit
ROOTDIR is `/'
Checking `amd'... not found
Checking `basename'... not infected
Checking `biff'... not found
Checking `chfn'... not infected
Checking `chsh'... not infected
Checking `cron'... not infected
Checking `date'... not infected
Checking `du'... not infected
Checking `dirname'... not infected
Checking `echo'... not infected
Checking `egrep'... not infected
Checking `env'... not infected
Checking `find'... not infected
Checking `fingerd'... not found
Checking `gpm'... not found
Checking `grep'... not infected
Checking `hdparm'... not infected
Checking `su'... not infected
Checking `ifconfig'... not infected
Checking `inetd'... not tested
Checking `inetdconf'... not found
Checking `identd'... not found
Checking `init'... not infected
Checking `killall'... not infected
Checking `ldsopreload'... can't exec ./strings-static, not tested
Checking `login'... not infected
Checking `ls'... not infected
Checking `lsof'... not found
Checking `mail'... not found
Checking `mingetty'... not infected
Checking `netstat'... not infected
Checking `named'... not found
Checking `passwd'... not infected
Checking `pidof'... not infected
Checking `pop2'... not found
Checking `pop3'... not found
Checking `ps'... not infected
Checking `pstree'... not infected
Checking `rpcinfo'... not infected
Checking `rlogind'... not found
Checking `rshd'... not found
Checking `slogin'... not infected
Checking `sendmail'... not infected
Checking `sshd'... not infected
Checking `syslogd'... not infected
Checking `tar'... not infected
Checking `tcpd'... not infected
Checking `tcpdump'... not infected
Checking `top'... not infected
Checking `telnetd'... not found
Checking `timed'... not found
Checking `traceroute'... not infected
Checking `vdir'... not infected
Checking `w'... not infected
Checking `write'... not infected
Checking `aliens'... no suspect files
Searching for sniffer's logs, it may take a while... nothing found
Searching for HiDrootkit's default dir... nothing found
Searching for t0rn's default files and dirs... nothing found
Searching for t0rn's v8 defaults... nothing found
Searching for Lion Worm default files and dirs... nothing found
Searching for RSHA's default files and dir... nothing found
Searching for RH-Sharpe's default files... nothing found
Searching for Ambient's rootkit (ark) default files and dirs... nothing found
Searching for suspicious files and dirs, it may take a while... nothing found
Searching for LPD Worm files and dirs... nothing found
Searching for Ramen Worm files and dirs... nothing found
Searching for Maniac files and dirs... nothing found
Searching for RK17 files and dirs... nothing found
Searching for Ducoci rootkit... nothing found
Searching for Adore Worm... nothing found
Searching for ShitC Worm... nothing found
Searching for Omega Worm... nothing found
Searching for Sadmind/IIS Worm... nothing found
Searching for MonKit... nothing found
Searching for Showtee... nothing found
Searching for OpticKit... nothing found
Searching for T.R.K... nothing found
Searching for Mithra... nothing found
Searching for OBSD rk v1... nothing found
Searching for LOC rootkit... nothing found
Searching for Romanian rootkit... nothing found
Searching for HKRK rootkit... nothing found
Searching for Suckit rootkit... nothing found
Searching for Volc rootkit... nothing found
Searching for Gold2 rootkit... nothing found
Searching for TC2 Worm default files and dirs... nothing found
Searching for Anonoying rootkit default files and dirs... nothing found
Searching for ZK rootkit default files and dirs... nothing found
Searching for ShKit rootkit default files and dirs... nothing found
Searching for AjaKit rootkit default files and dirs... nothing found
Searching for zaRwT rootkit default files and dirs... nothing found
Searching for Madalin rootkit default files... nothing found
Searching for Fu rootkit default files... nothing found
Searching for ESRK rootkit default files... nothing found
Searching for anomalies in shell history files... nothing found
Checking `asp'... not infected
Checking `bindshell'... not infected
Checking `lkm'... You have 10 process hidden for readdir command
You have 10 process hidden for ps command
chkproc: Warning: Possible LKM Trojan installed
Checking `rexedcs'... not found
Checking `sniffer'... ppp0: not promisc and no PF_PACKET sockets
Checking `w55808'... not infected
Checking `wted'... chkwtmp: nothing deleted
Checking `scalper'... not infected
Checking `slapper'... not infected
Checking `z2'... chklastlog: nothing deleted
Checking `chkutmp'... not tested: can't exec ./chkutmp
[rootalice chkrootkit-0.45]#


ringrazio in anticipo per le risposte,

buona domenica a tutti,

ciao

Trunks
Moderatore




2016 Messaggi

Inserito il - 02/10/2005 : 14:32:25  Mostra Profilo
Uhmm chkrootkit con i kernel 2.6 non è che sia infallibile :P Potrebbe trattarsi di un falso positivo. Una controllatina non fa mai male però :P
Lancia chkrootkit così

chkrootkit -x lkm

Poi prova pure rootkit hunter

htt*://[www].rootkit.nl/projects/rootkit_hunter.html
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ant21
Senior Member




121 Messaggi

Inserito il - 02/10/2005 : 17:06:26  Mostra Profilo
grazie trunks , come al solito

questo è il risultato

sono pulito? :P

[rootalice sbin]# ./rkhunter --checkall


Rootkit Hunter 1.2.7 is running

Determining OS... Ready


Checking binaries
* Selftests
Strings (command) [ OK ]


* System tools
Performing 'known good' check...
/bin/cat [ OK ]
/bin/chmod [ OK ]
/bin/chown [ OK ]
/bin/dmesg [ OK ]
/bin/egrep [ OK ]
/bin/env [ OK ]
/bin/fgrep [ OK ]
/bin/grep [ OK ]
/bin/kill [ OK ]
/bin/login [ OK ]
/bin/ls [ OK ]
/bin/mount [ OK ]
/bin/netstat [ OK ]
/bin/ps [ OK ]
/bin/su [ OK ]
/sbin/chkconfig [ OK ]
/sbin/depmod [ OK ]
/sbin/ifconfig [ OK ]
/sbin/init [ OK ]
/sbin/insmod [ OK ]
/sbin/ip [ OK ]
/sbin/modinfo [ OK ]
/sbin/runlevel [ OK ]
/sbin/sysctl [ OK ]
/sbin/syslogd [ OK ]
/usr/bin/file [ OK ]
/usr/bin/find [ OK ]
/usr/bin/groups [ OK ]
/usr/bin/kill [ OK ]
/usr/bin/killall [ OK ]
/usr/bin/lsattr [ OK ]
/usr/bin/pstree [ OK ]
/usr/bin/sha1sum [ OK ]
/usr/bin/users [ OK ]
/usr/bin/w [ OK ]
/usr/bin/watch [ OK ]
/usr/bin/who [ OK ]
/usr/bin/whoami [ OK ]

[Press <ENTER> to continue]



Check rootkits
* Default files and directories
Rootkit '55808 Trojan - Variant A'... [ OK ]
ADM Worm... [ OK ]
Rootkit 'AjaKit'... [ OK ]
Rootkit 'aPa Kit'... [ OK ]
Rootkit 'Apache Worm'... [ OK ]
Rootkit 'Ambient (ark) Rootkit'... [ OK ]
Rootkit 'Balaur Rootkit'... [ OK ]
Rootkit 'BeastKit'... [ OK ]
Rootkit 'beX2'... [ OK ]
Rootkit 'BOBKit'... [ OK ]
Rootkit 'CiNIK Worm (Slapper.B variant)'... [ OK ]
Rootkit 'Danny-Boy's Abuse Kit'... [ OK ]
Rootkit 'Devil RootKit'... [ OK ]
Rootkit 'Dica'... [ OK ]
Rootkit 'Dreams Rootkit'... [ OK ]
Rootkit 'Duarawkz'... [ OK ]
Rootkit 'Flea Linux Rootkit'... [ OK ]
Rootkit 'FreeBSD Rootkit'... [ OK ]
Rootkit 'Fuck`it Rootkit'... [ OK ]
Rootkit 'GasKit'... [ OK ]
Rootkit 'Heroin LKM'... [ OK ]
Rootkit 'HjC Kit'... [ OK ]
Rootkit 'ignoKit'... [ OK ]
Rootkit 'ImperalsS-FBRK'... [ OK ]
Rootkit 'Irix Rootkit'... [ OK ]
Rootkit 'Kitko'... [ OK ]
Rootkit 'Knark'... [ OK ]
Rootkit 'Li0n Worm'... [ OK ]
Rootkit 'Lockit / LJK2'... [ OK ]
Rootkit 'MRK'... [ OK ]
Rootkit 'Ni0 Rootkit'... [ OK ]
Rootkit 'RootKit for SunOS / NSDAP'... [ OK ]
Rootkit 'Optic Kit (Tux)'... [ OK ]
Rootkit 'Oz Rootkit'... [ OK ]
Rootkit 'Portacelo'... [ OK ]
Rootkit 'R3dstorm Toolkit'... [ OK ]
Rootkit 'RH-Sharpe's rootkit'... [ OK ]
Rootkit 'RSHA's rootkit'... [ OK ]
Sebek LKM [ OK ]
Rootkit 'Scalper Worm'... [ OK ]
Rootkit 'Shutdown'... [ OK ]
Rootkit 'SHV4'... [ OK ]
Rootkit 'SHV5'... [ OK ]
Rootkit 'Sin Rootkit'... [ OK ]
Rootkit 'Slapper'... [ OK ]
Rootkit 'Sneakin Rootkit'... [ OK ]
Rootkit 'Suckit Rootkit'... [ OK ]
Rootkit 'SunOS Rootkit'... [ OK ]
Rootkit 'Superkit'... [ OK ]
Rootkit 'TBD (Telnet BackDoor)'... [ OK ]
Rootkit 'TeLeKiT'... [ OK ]
Rootkit 'T0rn Rootkit'... [ OK ]
Rootkit 'Trojanit Kit'... [ OK ]
Rootkit 'Tuxtendo'... [ OK ]
Rootkit 'URK'... [ OK ]
Rootkit 'VcKit'... [ OK ]
Rootkit 'Volc Rootkit'... [ OK ]
Rootkit 'X-Org SunOS Rootkit'... [ OK ]
Rootkit 'zaRwT.KiT Rootkit'... [ OK ]

* Suspicious files and malware
Scanning for known rootkit strings [ OK ]
Scanning for known rootkit files [ OK ]
Testing running processes... [ Skipped ]
Miscellaneous Login backdoors [ OK ]
Miscellaneous directories [ OK ]
Software related files [ OK ]
Sniffer logs [ OK ]

[Press <ENTER> to continue]


* Trojan specific characteristics
shv4
Checking /etc/rc.d/rc.sysinit
Test 1 [ Clean ]
Test 2 [ Clean ]
Test 3 [ Clean ]
Checking /etc/inetd.conf [ Not found ]
Checking /etc/xinetd.conf [ Clean ]

* Suspicious file properties
chmod properties
Checking /bin/ps [ Clean ]
Checking /bin/ls [ Clean ]
Checking /usr/bin/w [ Clean ]
Checking /usr/bin/who [ Clean ]
Checking /bin/netstat [ Clean ]
Checking /bin/login [ Clean ]
Script replacements
Checking /bin/ps [ Clean ]
Checking /bin/ls [ Clean ]
Checking /usr/bin/w [ Clean ]
Checking /usr/bin/who [ Clean ]
Checking /bin/netstat [ Clean ]
Checking /bin/login [ Clean ]

* OS dependant tests

Linux
Checking loaded kernel modules... [ OK ]
Checking files attributes [ OK ]
Checking LKM module path [ OK ]


Networking
* Check: frequently used backdoors
Port 2001: Scalper Rootkit [ OK ]
Port 2006: CB Rootkit [ OK ]
Port 2128: MRK [ OK ]
Port 14856: Optic Kit (Tux) [ OK ]
Port 47107: T0rn Rootkit [ OK ]
Port 60922: zaRwT.KiT [ OK ]

* Interfaces
Scanning for promiscuous interfaces [ Warning! ]
Found promiscuous interface. Please use option '--createlogfile' and check the logfile

[Press <ENTER> to continue]



System checks
* Allround tests
Checking hostname... Found. Hostname is alice
Checking for passwordless user accounts... OK
Checking for differences in user accounts... [ NA ]
Checking for differences in user groups... Creating file It seems this is your first time.
Checking boot.local/rc.local file...
- /etc/rc.local [ OK ]
- /etc/rc.d/rc.local [ OK ]
- /usr/local/etc/rc.local [ Not found ]
- /usr/local/etc/rc.d/rc.local [ Not found ]
- /etc/conf.d/local.start [ Not found ]
- /etc/init.d/boot.local [ Not found ]
Checking rc.d files...
Processing........................................
........................................
........................................
........................................
........................................
........................................
........................................
.......
Result rc.d files check [ OK ]
Checking history files
Bourne Shell [ OK ]

* Filesystem checks
Checking /dev for suspicious files... [ OK ]
Scanning for hidden files... [ OK ]

[Press <ENTER> to continue]



Application advisories
* Application scan
Checking Apache2 modules ... [ Not found ]
Checking Apache configuration ... [ OK ]

* Application version scan
- GnuPG 1.2.4 [ OK ]
- OpenSSL 0.9.7d [ OK ]
- Procmail MTA 3.22 [ OK ]
- ProFTPd 1.2.10 [ OK ]
- OpenSSH 3.9p1 [ OK ]



Security advisories
* Check: Groups and Accounts
Searching for /etc/passwd... [ Found ]
Checking users with UID '0' (root)... [ OK ]

* Check: SSH
Searching for sshd_config...
Found /etc/ssh/sshd_config
Checking for allowed root login... [ OK (Remote root login disabled) ]
Checking for allowed protocols... [ OK (Only SSH2 allowed) ]

* Check: Events and Logging
Search for syslog configuration... [ OK ]
Checking for running syslog slave... [ OK ]
Checking for logging to remote system... [ OK (no remote logging) ]

[Press <ENTER> to continue]



---------------------------- Scan results ----------------------------

MD5
MD5 compared: 38
Incorrect MD5 checksums: 0

File scan
Scanned files: 342
Possible infected files: 0

Application scan
Vulnerable applications: 0

Scanning took 101 seconds

-----------------------------------------------------------------------

Do you have some problems, undetected rootkits, false positives, ideas
or suggestions?
Please e-mail me by filling in the contact form (htt*://[www].rootkit.nl)

-----------------------------------------------------------------------
[rootalice sbin]#
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Trunks
Moderatore




2016 Messaggi

Inserito il - 02/10/2005 : 17:10:45  Mostra Profilo
Vai sereno ;)
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ant21
Senior Member




121 Messaggi

Inserito il - 02/10/2005 : 17:11:50  Mostra Profilo
Citazione:
Messaggio inserito da Trunks

Vai sereno ;)




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Trunks
Moderatore




2016 Messaggi

Inserito il - 02/10/2005 : 17:12:49  Mostra Profilo
cioè?
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ant21
Senior Member




121 Messaggi

Inserito il - 02/10/2005 : 17:27:56  Mostra Profilo
Citazione:
Messaggio inserito da Trunks

cioè?



una faccina per scherzare
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