Snort mailing list archives

Re: Code Green???

From: richard <csraw () ttuhsc edu>
Date: 18 Sep 2001 10:14:28 -0500

We are getting this also. Very high traffic of this type. 

On Tue, 2001-09-18 at 09:27, Matthew Francis wrote:

Hi,

I'm getting LOADS of what looks like New Code Red attacks - Could this be
Code Green???  From one single 'attacking' PC I'm getting the following log
(There's 2 IDS's 1:Internet Facing, 2:DMZ):-

18-09-2001    15:13:55        Auth.Alert      {IDS 1} snort[846]: [1:1002:1]  WEB-IIS
cmd.exe access [Classification: Attempted User Privilege Gain   Priority:
8]: {Attacking PC}:1264 -> {Destination Server}:80
18-09-2001    15:13:55        Auth.Alert      {IDS 1} snort[846]: [1:1002:1]  WEB-IIS
cmd.exe access [Classification: Attempted User Privilege Gain   Priority:
8]: {Attacking PC}:1264 -> {Destination Server}:80
18-09-2001    15:13:55        Auth.Alert      {IDS 1} snort[846]: [1:1002:1]  WEB-IIS
cmd.exe access [Classification: Attempted User Privilege Gain   Priority:
8]: {Attacking PC}:1275 -> {Destination Server}:80
18-09-2001    15:13:55        Auth.Alert      {IDS 1} snort[846]: [1:1002:1]  WEB-IIS
cmd.exe access [Classification: Attempted User Privilege Gain   Priority:
8]: {Attacking PC}:1275 -> {Destination Server}:80
18-09-2001    15:13:55        Auth.Alert      {IDS 1} snort[846]: [1:970:1]  WEB-IIS
multiple decode attempt [Classification: Attempted User Privilege Gain
Priority: 8]: {Attacking PC}:1287 -> {Destination Server}:80
18-09-2001    15:13:55        Auth.Alert      {IDS 1} snort[846]: [1:970:1]  WEB-IIS
multiple decode attempt [Classification: Attempted User Privilege Gain
Priority: 8]: {Attacking PC}:1287 -> {Destination Server}:80
18-09-2001    15:13:55        Auth.Alert      {IDS 1} snort[846]: [1:970:1]  WEB-IIS
multiple decode attempt [Classification: Attempted User Privilege Gain
Priority: 8]: {Attacking PC}:1294 -> {Destination Server}:80
18-09-2001    15:13:55        System0.Alert   {IDS 2}    snort[1472]: WEB-../..:
{Attacking PC}:1294 -> {Destination Server}:80
18-09-2001    15:13:55        Auth.Alert      {IDS 1} snort[846]: [1:970:1]  WEB-IIS
multiple decode attempt [Classification: Attempted User Privilege Gain
Priority: 8]: {Attacking PC}:1294 -> {Destination Server}:80
18-09-2001    15:13:55        Auth.Alert      {IDS 1} snort[846]: [1:970:1]  WEB-IIS
multiple decode attempt [Classification: Attempted User Privilege Gain
Priority: 8]: {Attacking PC}:1304 -> {Destination Server}:80
18-09-2001    15:13:55        System0.Alert   {IDS 2}    snort[1472]: WEB-../..:
{Attacking PC}:1304 -> {Destination Server}:80
18-09-2001    15:13:55        Auth.Alert      {IDS 1} snort[846]: [1:970:1]  WEB-IIS
multiple decode attempt [Classification: Attempted User Privilege Gain
Priority: 8]: {Attacking PC}:1304 -> {Destination Server}:80
18-09-2001    15:13:55        Auth.Alert      {IDS 1} snort[846]: [1:970:1]  WEB-IIS
multiple decode attempt [Classification: Attempted User Privilege Gain
Priority: 8]: {Attacking PC}:1316 -> {Destination Server}:80
18-09-2001    15:13:55        System0.Alert   {IDS 2}    snort[1472]: spp_http_decode:
IIS Unicode attack detected: {Attacking PC}:1316 -> {Destination Server}:80
18-09-2001    15:13:55        System0.Alert   {IDS 2}    snort[1472]: spp_http_decode:
IIS Unicode attack detected: {Attacking PC}:1316 -> {Destination Server}:80
18-09-2001    15:13:55        System0.Alert   {IDS 2}    snort[1472]: spp_http_decode:
IIS Unicode attack detected: {Attacking PC}:1316 -> {Destination Server}:80
18-09-2001    15:13:55        System0.Alert   {IDS 2}    snort[1472]: WEB-../..:
{Attacking PC}:1316 -> {Destination Server}:80
18-09-2001    15:13:55        Auth.Alert      {IDS 1} snort[846]: [1:1002:1]  WEB-IIS
cmd.exe access [Classification: Attempted User Privilege Gain   Priority:
8]: {Attacking PC}:1323 -> {Destination Server}:80
18-09-2001    15:13:55        System0.Alert   {IDS 2}    snort[1472]: spp_http_decode:
IIS Unicode attack detected: {Attacking PC}:1323 -> {Destination Server}:80
18-09-2001    15:13:55        Auth.Alert      {IDS 1} snort[846]: [1:1002:1]  WEB-IIS
cmd.exe access [Classification: Attempted User Privilege Gain   Priority:
8]: {Attacking PC}:1323 -> {Destination Server}:80
18-09-2001    15:13:55        Auth.Alert      {IDS 1} snort[846]: [1:1002:1]  WEB-IIS
cmd.exe access [Classification: Attempted User Privilege Gain   Priority:
8]: {Attacking PC}:1331 -> {Destination Server}:80
18-09-2001    15:13:55        System0.Alert   {IDS 2}    snort[1472]: spp_http_decode:
IIS Unicode attack detected: {Attacking PC}:1331 -> {Destination Server}:80
18-09-2001    15:13:56        Auth.Alert      {IDS 1} snort[846]: [1:1002:1]  WEB-IIS
cmd.exe access [Classification: Attempted User Privilege Gain   Priority:
8]: {Attacking PC}:1341 -> {Destination Server}:80
18-09-2001    15:13:56        System0.Alert   {IDS 2}    snort[1472]: spp_http_decode:
IIS Unicode attack detected: {Attacking PC}:1341 -> {Destination Server}:80
18-09-2001    15:13:56        Auth.Alert      {IDS 1} snort[846]: [1:1002:1]  WEB-IIS
cmd.exe access [Classification: Attempted User Privilege Gain   Priority:
8]: {Attacking PC}:1341 -> {Destination Server}:80
18-09-2001    15:13:56        Auth.Alert      {IDS 1} snort[846]: [1:1002:1]  WEB-IIS
cmd.exe access [Classification: Attempted User Privilege Gain   Priority:
8]: {Attacking PC}:1350 -> {Destination Server}:80
18-09-2001    15:13:56        System0.Alert   {IDS 2}    snort[1472]: spp_http_decode:
IIS Unicode attack detected: {Attacking PC}:1350 -> {Destination Server}:80
18-09-2001    15:13:56        Auth.Alert      {IDS 1} snort[846]: [1:1002:1]  WEB-IIS
cmd.exe access [Classification: Attempted User Privilege Gain   Priority:
8]: {Attacking PC}:1350 -> {Destination Server}:80
18-09-2001    15:13:56        Auth.Alert      {IDS 1} snort[846]: [1:970:1]  WEB-IIS
multiple decode attempt [Classification: Attempted User Privilege Gain
Priority: 8]: {Attacking PC}:1363 -> {Destination Server}:80
18-09-2001    15:13:56        Auth.Alert      {IDS 1} snort[846]: [1:970:1]  WEB-IIS
multiple decode attempt [Classification: Attempted User Privilege Gain
Priority: 8]: {Attacking PC}:1363 -> {Destination Server}:80
18-09-2001    15:13:56        Auth.Alert      {IDS 1} snort[846]: [1:970:1]  WEB-IIS
multiple decode attempt [Classification: Attempted User Privilege Gain
Priority: 8]: {Attacking PC}:1380 -> {Destination Server}:80
18-09-2001    15:13:56        Auth.Alert      {IDS 1} snort[846]: [1:970:1]  WEB-IIS
multiple decode attempt [Classification: Attempted User Privilege Gain
Priority: 8]: {Attacking PC}:1380 -> {Destination Server}:80
18-09-2001    15:13:56        Auth.Alert      {IDS 1} snort[846]: [1:970:1]  WEB-IIS
multiple decode attempt [Classification: Attempted User Privilege Gain
Priority: 8]: {Attacking PC}:1388 -> {Destination Server}:80
18-09-2001    15:13:56        Auth.Alert      {IDS 1} snort[846]: [1:970:1]  WEB-IIS
multiple decode attempt [Classification: Attempted User Privilege Gain
Priority: 8]: {Attacking PC}:1388 -> {Destination Server}:80
18-09-2001    15:13:56        Auth.Alert      {IDS 1} snort[846]: [1:1002:1]  WEB-IIS
cmd.exe access [Classification: Attempted User Privilege Gain   Priority:
8]: {Attacking PC}:1395 -> {Destination Server}:80

Obviously this is a massive log for one 'attack' attempt and I'm getting
this a LOT from all different IP address ranges which are all standard dial
up accounts (the ones I've checked anyway) with what looks like unpatched
IIS servers.

Anyone shed any light???

Thanks

-----
Matthew Francis


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Current thread:

Code Green??? Matthew Francis (Sep 18)
- Re: Code Green??? richard (Sep 18)
  - Re: Code Green??? Dushyanth Harinath (Sep 18)
    - Re: Code Green??? Larry E. Smith Jr. (Sep 18)
- <Possible follow-ups>
- RE: Code Green??? Jim Howard (Sep 18)
  - RE: Code Green??? Erek Adams (Sep 18)
- RE: Code Green??? Jim Howard (Sep 18)
- RE: Code Green??? Steve Halligan (Sep 18)
- RE: Code Green??? Lodin, Steven {GZ-Q~Mannheim} (Sep 18)
  - RE: Code Green??? richard (Sep 18)
- RE: Code Green??? Steve Halligan (Sep 18)
- RE: Code Green??? Ed Kasky (Sep 18)

(Thread continues...)