Re: Suspicious hacker activity detected?

[Michael Brown <mike.a.brown09 () gmail com>]

Are the heartbleed snort signatures open source or they only for VRT
subscribers?

---
Thank you,

Michael A. Brown
mike.a.brown09 () gmail com
(757) 912-0836
M.S. Forensic Studies: Computer Forensics
B.S. Information Technology: Network Specialist

"The only thing necessary for the triumph of evil is for good men to do
nothing" -Edmund Burke


On Mon, Apr 14, 2014 at 11:13 AM, Nicholas Mavis (nmavis)
<nmavis () cisco com>wrote:

>  Yes, this is a sign and it also looks like you are vulnerable.
>
>  Nick
>
>   From: Teo En Ming <teo.en.ming () gmail com>
> Date: Monday, April 14, 2014 at 11:06 AM
> To: Snort Users <snort-users () lists sourceforge net>
> Subject: [Snort-users] Suspicious hacker activity detected?
>
>    Hi,
>
>  My HTTPS web server, POP3S and IMAPS ports were probed for the OpenSSL
> heartbleed vulnerability without my knowledge and authorization. Is it a
> sign of hacker activity? Please look at the Snort alerts below.
>
> [root@localhost snort]# grep heartbeat snort.fast | grep -v 161.69.31.4
> 04/14-04:34:45.168194  [**] [1:30516:6] SERVER-OTHER TLSv1.1 large
> heartbeat response - possible ssl heartbleed attempt [**] [Classification:
> Attempted Information Leak] [Priority: 2] {TCP} 192.168.1.146:443 ->
> 185.35.61.19:41201
> 04/14-09:31:58.763823  [**] [1:30524:1] SERVER-OTHER OpenSSL TLSv1.1
> heartbeat read overrun attempt [**] [Classification: Attempted Information
> Leak] [Priority: 2] {TCP} 183.60.243.189:46524 -> 192.168.1.147:993
> 04/14-09:31:58.764609  [**] [1:30516:6] SERVER-OTHER TLSv1.1 large
> heartbeat response - possible ssl heartbleed attempt [**] [Classification:
> Attempted Information Leak] [Priority: 2] {TCP} 192.168.1.147:993 ->
> 183.60.243.189:46524
> 04/14-09:31:59.025988  [**] [1:30524:1] SERVER-OTHER OpenSSL TLSv1.1
> heartbeat read overrun attempt [**] [Classification: Attempted Information
> Leak] [Priority: 2] {TCP} 183.60.243.189:46524 -> 192.168.1.147:993
> 04/14-09:36:47.578766  [**] [1:30524:1] SERVER-OTHER OpenSSL TLSv1.1
> heartbeat read overrun attempt [**] [Classification: Attempted Information
> Leak] [Priority: 2] {TCP} 183.60.244.46:55346 -> 192.168.1.147:995
> 04/14-09:36:47.579841  [**] [1:30516:6] SERVER-OTHER TLSv1.1 large
> heartbeat response - possible ssl heartbleed attempt [**] [Classification:
> Attempted Information Leak] [Priority: 2] {TCP} 192.168.1.147:995 ->
> 183.60.244.46:55346
> 04/14-09:36:47.775693  [**] [1:30524:1] SERVER-OTHER OpenSSL TLSv1.1
> heartbeat read overrun attempt [**] [Classification: Attempted Information
> Leak] [Priority: 2] {TCP} 183.60.244.46:55346 -> 192.168.1.147:995
> 04/14-09:36:47.775693  [**] [1:30512:5] SERVER-OTHER OpenSSL TLSv1.1
> heartbeat read overrun attempt [**] [Classification: Attempted Information
> Leak] [Priority: 2] {TCP} 183.60.244.46:55346 -> 192.168.1.147:995
> 04/14-10:13:25.031989  [**] [1:30524:1] SERVER-OTHER OpenSSL TLSv1.1
> heartbeat read overrun attempt [**] [Classification: Attempted Information
> Leak] [Priority: 2] {TCP} 101.226.19.76:31223 -> 192.168.1.146:443
> 04/14-10:13:25.032841  [**] [1:30516:6] SERVER-OTHER TLSv1.1 large
> heartbeat response - possible ssl heartbleed attempt [**] [Classification:
> Attempted Information Leak] [Priority: 2] {TCP} 192.168.1.146:443 ->
> 101.226.19.76:31223
> 04/14-10:13:25.262897  [**] [1:30524:1] SERVER-OTHER OpenSSL TLSv1.1
> heartbeat read overrun attempt [**] [Classification: Attempted Information
> Leak] [Priority: 2] {TCP} 101.226.19.76:31223 -> 192.168.1.146:443
> 04/14-10:13:25.262897  [**] [1:30512:5] SERVER-OTHER OpenSSL TLSv1.1
> heartbeat read overrun attempt [**] [Classification: Attempted Information
> Leak] [Priority: 2] {TCP} 101.226.19.76:31223 -> 192.168.1.146:443
> 04/14-11:51:26.034725  [**] [1:30524:1] SERVER-OTHER OpenSSL TLSv1.1
> heartbeat read overrun attempt [**] [Classification: Attempted Information
> Leak] [Priority: 2] {TCP} 180.153.198.190:25521 -> 192.168.1.147:993
> 04/14-11:51:26.035167  [**] [1:30516:6] SERVER-OTHER TLSv1.1 large
> heartbeat response - possible ssl heartbleed attempt [**] [Classification:
> Attempted Information Leak] [Priority: 2] {TCP} 192.168.1.147:993 ->
> 180.153.198.190:25521
> 04/14-11:51:26.232356  [**] [1:30524:1] SERVER-OTHER OpenSSL TLSv1.1
> heartbeat read overrun attempt [**] [Classification: Attempted Information
> Leak] [Priority: 2] {TCP} 180.153.198.190:25521 -> 192.168.1.147:993
> 04/14-11:51:26.232356  [**] [1:30512:5] SERVER-OTHER OpenSSL TLSv1.1
> heartbeat read overrun attempt [**] [Classification: Attempted Information
> Leak] [Priority: 2] {TCP} 180.153.198.190:25521 -> 192.168.1.147:993
> 04/14-12:01:46.374268  [**] [1:30524:1] SERVER-OTHER OpenSSL TLSv1.1
> heartbeat read overrun attempt [**] [Classification: Attempted Information
> Leak] [Priority: 2] {TCP} 180.153.198.219:50214 -> 192.168.1.147:995
> 04/14-12:01:46.375062  [**] [1:30516:6] SERVER-OTHER TLSv1.1 large
> heartbeat response - possible ssl heartbleed attempt [**] [Classification:
> Attempted Information Leak] [Priority: 2] {TCP} 192.168.1.147:995 ->
> 180.153.198.219:50214
> 04/14-12:01:46.597640  [**] [1:30524:1] SERVER-OTHER OpenSSL TLSv1.1
> heartbeat read overrun attempt [**] [Classification: Attempted Information
> Leak] [Priority: 2] {TCP} 180.153.198.219:50214 -> 192.168.1.147:995
> 04/14-12:01:46.597640  [**] [1:30512:5] SERVER-OTHER OpenSSL TLSv1.1
> heartbeat read overrun attempt [**] [Classification: Attempted Information
> Leak] [Priority: 2] {TCP} 180.153.198.219:50214 -> 192.168.1.147:995
>
>  Yours sincerely,
>
>  Teo En Ming
>
>
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Learn Graph Databases - Download FREE O'Reilly Book
"Graph Databases" is the definitive new guide to graph databases and their
applications. Written by three acclaimed leaders in the field,
this first edition is now available. Download your free book today!
http://p.sf.net/sfu/NeoTech

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