Appendix B Signature Engines

Service Engines

Table B-28

Service SMB Advanced Engine Parameters (continued)

 

 

 

 

 

Parameter

 

Description

Value

 

 

 

specify-exact-match-offset

(Optional) Enables exact match offset:

0 to 65535

{yes no}

 

• exact-match-offset—Specifies the exact

 

 

 

 

 

 

 

stream offset the Regex string must

 

 

 

 

report for a match to be valid.

 

 

 

 

specify-min-match-length

(Optional) Enables minimum match length:

0 to 65535

{yes no}

 

•

min-match-length—Specifies the

 

 

 

 

 

 

 

minimum number of bytes the Regex

 

 

 

 

string must match.

 

 

 

 

specify-regex-payload-sour

(Optional) Enables payload source

resource

ce {yes no}

 

inspection:

smb-data

 

 

 

 

 

 

• payload-source—Specifies the kind of

tcp-data

 

 

 

payload source inspection.3

 

 

 

 

 

 

 

specify-scan-interval {yes

(Optional) Enables scan interval:

1 to 131071

no}

 

• scan-interval—Specifies the interval in

 

 

 

 

 

 

 

seconds used to calculate alert rates.

 

 

 

 

specify-tcp-flags {yes no}

(Optional) Enables TCP flags:

concurrent-execution

 

 

• msrpc-tcp-flags—Specifies the MSRPC

did-not-execute

 

 

 

TCP flags.

first-fragment

 

 

 

 

 

 

•

msrpc-tcp-flags-mask—Specifies the

last fragment

 

 

 

MSRPC flags mask.

 

 

 

maybe-semantics

 

 

 

 

 

 

 

 

object-uuid

 

 

 

 

pending-cancel

 

 

 

 

reserved

 

 

 

specify-msrpc-over-smb-pd

(Optional) Enables MSRPC PDU type over

0 = Request

u-type

 

the SMB packet:

2 = Response

 

 

 

 

 

 

• msrpc-over-smb-pdu-type—Specifies

11 = Bind

 

 

 

the PDU type of MSRPC over the SMB

 

 

 

packet.

12 = Bind Ack

 

 

 

specify-msrpc-over-smb-uui

(Optional) Enables MSRPC over UUID:

32-character string

d {yes no}

 

•

msrpc-over-smb-uuid—Specifies the

composed of hexadecimal

 

 

characters 0-9, a-f, A-F.

 

 

 

MSRPC UUID.

 

 

 

 

 

 

 

swap-attacker-victim

Swaps the attacker and victim addresses and

true false (default)

 

 

ports (source and destination) in the alert

 

 

 

message and in any actions taken.

 

 

 

 

 

 

1.The second number in the range must be greater than or equal to the first number.

2.Currently supporting 37 (0x25) SMB_COM_TRANSACTION command \x26amp; 162 (0xA2) SMB_COM_NT_CREATE_ANDX command.

3.TCP_Data performs Regex over entire packet, SMB_Data performs Regex on SMB payload only, Resource_DATA performs Regex on SMB_Resource.

 

Cisco Intrusion Prevention System Sensor CLI Configuration Guide for IPS 7.2

B-56

OL-29168-01

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Cisco Systems IPS4510K9 manual Msrpc Uuid
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IPS4510K9 specifications

Cisco Systems has long been a leading player in network security, and its IPS (Intrusion Prevention System) series is a testament to its commitment to safeguarding digital environments. Among its notable offerings are the IPS4510K9 and IPS4520K9 models, both designed to provide advanced threat protection for mid-sized to large enterprise networks.

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