Snort mailing list archives

Re: Anyone else seeing lots of 129 20 this am?


From: "Joel Esler \(jesler\) via Snort-users" <snort-users () lists snort org>
Date: Tue, 3 Sep 2019 16:47:19 +0000

Sounds like you need to update your preprocessor.rules file?

Sent from my  iPhone

On Sep 3, 2019, at 12:25, Brian Cole <cole () echoworx com> wrote:


It turns out that both of these issues was caused by a Snort update that was issued late last week.  I used 
PulledPork to download Snort rule updates and the PP log shows the following for last Friday morning:
 
-=Begin Changes Logged for Fri Aug 30 04:01:40 2019 GMT=-
 
New Rules
        DECODE_AUTH_HDR_BAD_LEN (116:466)
        DECODE_AUTH_HDR_TRUNC (116:465)
        DECODE_FPATH_HDR_TRUNC (116:467)
        FILE-OFFICE Microsoft Office Project file parsing arbitrary memory access attempt (1:50812)
        FILE-OFFICE Microsoft Office Project file parsing arbitrary memory access attempt (1:50813)
        FILE-OFFICE Microsoft Office Project file parsing arbitrary memory access attempt (1:50814)
        FILE-OFFICE Microsoft Office Project file parsing arbitrary memory access attempt (1:50815)
        FILE-OFFICE Microsoft Office Project file parsing arbitrary memory access attempt (1:50816)
        FILE-OFFICE Microsoft Office Project file parsing arbitrary memory access attempt (1:50817)
        FILE-OFFICE Microsoft Office Project file parsing arbitrary memory access attempt (1:50818)
        FILE-OFFICE Microsoft Office Project file parsing arbitrary memory access attempt (1:50819)
        FILE-OFFICE Microsoft Office Project file parsing arbitrary memory access attempt (1:50820)
        FILE-OFFICE Microsoft Office Project file parsing arbitrary memory access attempt (1:50821)
        FILE-OFFICE Microsoft Office Project file parsing arbitrary memory access attempt (1:50822)
        FILE-OFFICE Microsoft Office Project file parsing arbitrary memory access attempt (1:50823)
        MALWARE-CNC Unix.Backdoor.Godlua variant outbound connection (1:50808)
        MALWARE-CNC Unix.Backdoor.Godlua variant outbound connection (1:50809)
        MALWARE-CNC Unix.Backdoor.Godlua variant outbound connection (1:50810)
        MALWARE-CNC Win.Trojan.Ratsnif variant outbound connection (1:50800)
        MALWARE-CNC Win.Trojan.SoftCell variant outbound connection (1:50799)
        MALWARE-OTHER Win.Backdoor.Agent inbound request attempt (1:51368)
        MALWARE-OTHER Win.Trojan.Ratsnif variant download attempt (1:50801)
        MALWARE-OTHER Win.Trojan.Ratsnif variant download attempt (1:50802)
        Unknown MSG (119:35)
        Unknown MSG (120:12)
        Unknown MSG (120:13)
        Unknown MSG (120:14)
        Unknown MSG (120:15)
        Unknown MSG (120:16)
        Unknown MSG (120:17)
        Unknown MSG (120:18)
        Unknown MSG (120:19)
        Unknown MSG (120:20)
        Unknown MSG (120:21)
        Unknown MSG (120:22)
        Unknown MSG (120:23)
        Unknown MSG (120:24)
        Unknown MSG (120:25)
        Unknown MSG (120:26)
        Unknown MSG (120:27)
        Unknown MSG (120:28)
        Unknown MSG (124:15)
        Unknown MSG (129:20)  <<<<<
        Unknown MSG (133:58)
        Unknown MSG (133:59)  <<<<
And more…
 
So maybe a bad set of rules was released ?
 
…Brian
 

Attachment: smime.p7s
Description:

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