Thread: [Rkhunter-users] Bad rkhunter run?
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From: Charles E. M. <ce...@ki...> - 2006-05-29 14:26:13
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Hi: I'm receiving the following from my cron run and wondering if the hashes that are bad are an issue. I'm current in the version and ran the --update. Any help would be appreciated. Run as follows on a Linux Red Hat box: Rootkit Hunter 1.2.8 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 [ BAD ] /bin/egrep [ OK ] /bin/env [ OK ] /bin/fgrep [ OK ] /bin/grep [ OK ] /bin/kill [ BAD ] /bin/login [ BAD ] /bin/ls [ OK ] /bin/mount [ BAD ] /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/modinfo [ OK ] /sbin/runlevel [ OK ] /sbin/sysctl [ OK ] /sbin/syslogd [ OK ] /usr/bin/file [ OK ] /usr/bin/find [ OK ] /usr/bin/kill [ OK ] /usr/bin/killall [ OK ] /usr/bin/lsattr [ OK ] /usr/bin/pstree [ OK ] /usr/bin/sha1sum [ OK ] /usr/bin/stat [ OK ] /usr/bin/users [ OK ] /usr/bin/w [ OK ] /usr/bin/watch [ OK ] /usr/bin/who [ OK ] /usr/bin/whoami [ OK ] ---------------------------------------------------------------------------- ---- Rootkit Hunter found some bad or unknown hashes. This can be happen due replaced binaries or updated packages (which give other hashes). Be sure your hashes are fully updated (rkhunter --update). If you're in doubt about these hashes, contact the author (fill in the contact form). ---------------------------------------------------------------------------- ---- 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... [ OK ] Miscellaneous Login backdoors [ OK ] Miscellaneous directories [ OK ] Software related files [ OK ] Sniffer logs [ OK ] * Trojan specific characteristics shv4 Checking /etc/rc.d/rc.sysinit Test 1 [ Clean ] Test 2 [ Clean ] Test 3 [ Clean ] Checking /etc/inetd.conf [ Clean ] 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... Skipped! Checking files attributes [ OK ] Checking LKM module path [ Skipped! ] 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 [ OK ] System checks * Allround tests Checking hostname... Found. Hostname is hera.wysard.com Checking for passwordless user accounts... OK Checking for differences in user accounts... OK. No changes. Checking for differences in user groups... OK. No changes. 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 ] Application advisories * Application scan Checking Apache2 modules ... [ Not found ] Checking Apache configuration ... [ OK ] * Application version scan - Exim MTA 4.52 [ OK ] - GnuPG 1.2.1 [ Old or patched version ] - Apache [unknown] [ OK ] - Bind DNS 9.2.1 [ Unknown ] - OpenSSL 0.9.7a [ Old or patched version ] - PHP 4.3.9 [ Old or patched version ] - PHP 4.3.9 [ Old or patched version ] - Procmail MTA 3.22 [ OK ] - OpenSSH 3.5p1 [ Old or patched version ] Your system contains some unknown version numbers. Please run Rootkit Hunter with the --update parameter or fill in the contact form (www.rootkit.nl) 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... Watch out Root login possible. Possible risk! info: Hint: See logfile for more information about this issue Checking for allowed protocols... [ Warning (SSH v1 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) ] ---------------------------- Scan results ---------------------------- MD5 MD5 compared: 51 Incorrect MD5 checksums: 4 File scan Scanned files: 342 Possible infected files: 0 Application scan Vulnerable applications: 5 Scanning took 32 seconds ----------------------------------------------------------------------- Do you have some problems, undetected rootkits, false positives, ideas or suggestions? Please e-mail me by filling in the contact form (@http://www.rootkit.nl) ----------------------------------------------------------------- Charles E. Moran ce...@ki... |