chkrootkit 0.45 review

chkrootkit is a tool to locally check for signs of a rootkit. It contains: · chkrootkit: shell script that checks system binar

License: GPL (GNU General Public License) File size: 36K Developer: Nelson Murilo

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chkrootkit is a tool to locally check for signs of a rootkit.

It contains:

chkrootkit: shell script that checks system binaries for rootkit modification.
ifpromisc.c: checks if the interface is in promiscuous mode.
chklastlog.c: checks for lastlog deletions.
chkwtmp.c: checks for wtmp deletions.
check_wtmpx.c: checks for wtmpx deletions. (Solaris only)
chkproc.c: checks for signs of LKM trojans.
chkdirs.c: checks for signs of LKM trojans.
strings.c: quick and dirty strings replacement.
chkutmp.c: checks for utmp deletions.

The following tests are made:

aliens asp bindshell lkm rexedcs sniffer w55808 wted scalper slapper z2 chkutmp amd basename biff chfn chsh cron date du dirname echo egrep env find fingerd gpm grep hdparm su ifconfig inetd inetdconf identd init killall ldsopreload login ls lsof mail mingetty netstat named passwd pidof pop2 pop3 ps pstree rpcinfo rlogind rshd slogin sendmail sshd syslogd tar tcpd tcpdump top telnetd timed traceroute vdir w write

The following rootkits, worms and LKMs are currently detected:
01. lrk3, lrk4, lrk5, lrk6 (and variants);
02. Solaris rootkit;
03. FreeBSD rootkit;
04. t0rn (and variants);
05. Ambient's Rootkit (ARK);
06. Ramen Worm;
07. rh[67]-shaper;
08. RSHA;
09. Romanian rootkit;
10. RK17;
11. Lion Worm;
12. Adore Worm;
13. LPD Worm;
14. kenny-rk;
15. Adore LKM;
16. ShitC Worm;
17. Omega Worm;
18. Wormkit Worm;
19. Maniac-RK;
20. dsc-rootkit;
21. Ducoci rootkit;
22. x.c Worm;
23. RST.b trojan;
24. duarawkz;
25. knark LKM;
26. Monkit;
27. Hidrootkit;
28. Bobkit;
29. Pizdakit;
30. t0rn v8.0;
31. Showtee;
32. Optickit;
33. T.R.K;
34. MithRa's Rootkit;
35. George;
36. SucKIT;
37. Scalper;
38. Slapper A, B, C and D;
39. OpenBSD rk v1;
40. Illogic rootkit;
41. SK rootkit.
42. sebek LKM;
43. Romanian rootkit;
44. LOC rootkit;
45. shv4 rootkit;
46. Aquatica rootkit;
47. ZK rootkit;
48. 55808.A Worm;
49. TC2 Worm;
50. Volc rootkit;
51. Gold2 rootkit;
52. Anonoying rootkit;
53. Shkit rootkit;
54. AjaKit rootkit;
55. zaRwT rootkit;
56. Madalin rootkit;
57. Fu rootkit;
58. Kenga3 rootkit;
59. ESRK rootkit;

chkrootkit has been tested on: Linux 2.0.x, 2.2.x, 2.4.x and 2.6.x, FreeBSD 2.2.x, 3.x, 4.x and 5.x, OpenBSD 2.x and 3.x., NetBSD 1.6.x, Solaris 2.5.1, 2.6, 8.0 and 9.0, HP-UX 11, Tru64 and BSDI.

What's New in This Release:
chkutmp.c (Thanks to Jeremy Miller)
the idea of this program is to display users that may have wiped themselves from the utmp log
chkproc.c
fix: better support for Linux threads
chkrootkit
new test: chkutmp
new rootkits detected: Fu, Kenga3, ESRK
some bug fixes
homepage redesign (Thanks to Cristine Hoepers)
navigability improvement
the page now validates as strict XHTML
still lynx friendly