Snort mailing list archives

Re: gen-msg.map missing some SIDs for dcerpc2


From: beenph <beenph () gmail com>
Date: Thu, 22 Nov 2012 16:35:41 -0500

On Thu, Nov 22, 2012 at 3:42 PM, Jeremy Hoel <jthoel () gmail com> wrote:
what are the binary rules that come in the vrt download?


FROM a resent gen-msg.map (2.9.3)
<SNIP>
133 || 40 || dcerpc2: Connectionless DCE/RPC - Invalid major version
133 || 41 || dcerpc2: Connectionless DCE/RPC - Invalid pdu type
133 || 42 || dcerpc2: Connectionless DCE/RPC - Data length less than header size
133 || 43 || dcerpc2: Connectionless DCE/RPC - Bad sequence number
#133 || 44 || dcerpc2: SMB - Invalid SMB version 1 seen
#133 || 45 || dcerpc2: SMB - Invalid SMB version 2 seen
#133 || 46 || dcerpc2: SMB - Invalid user, tree connect, file binding
#133 || 47 || dcerpc2: SMB - Excessive command compounding
</SNIP>

From 2.9.4 src (probably alot like 2.9.3.x)
<SNIP>
generators.h:#define     DCE2_EVENT__SMB2_EXCESSIVE_COMPOUNDING   47
generators.h:#define     DCE2_EVENT__SMB_DCNT_ZERO                48
generators.h:#define     DCE2_EVENT__SMB_DCNT_MISMATCH            49
generators.h:#define     DCE2_EVENT__SMB_MAX_REQS_EXCEEDED        50
generators.h:#define     DCE2_EVENT__SMB_REQS_SAME_MID            51
generators.h:#define     DCE2_EVENT__SMB_DEPR_DIALECT_NEGOTIATED  52
generators.h:#define     DCE2_EVENT__SMB_DEPR_COMMAND_USED        53
generators.h:#define     DCE2_EVENT__SMB_UNUSUAL_COMMAND_USED     54
generators.h:#define     DCE2_EVENT__SMB_INVALID_SETUP_COUNT      55
generators.h:#define     DCE2_EVENT__SMB_MULTIPLE_NEGOTIATIONS    56
</SNIP>


-elz

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