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Bug #4548

closed

rules: Unable to find the sm in any of the sm lists

Added by albert wang over 3 years ago. Updated about 3 years ago.

Status:
Closed
Priority:
Normal
Target version:
Affected Versions:
Effort:
Difficulty:
Label:
Needs backport to 5.0

Description

I want to detect dns.flags.response==0 and dns.query is "test" or "abc" or "sdf".

alert dns any any -> any any (msg:"DNS_解析请求";byte_test:1,<,0x80,2;dns.query;pcre:"/test|abc|sdf/";sid:1;)

but this alerted "Unable to find the sm in any of the sm lists".

If modify the rule to:
alert dns any any -> any any (msg:"DNS_解析请求";dns.query;pcre:"/test|abc|sdf/";sid:1;)
or
alert dns any any -> any any (msg:"DNS_解析请求";byte_test:1,<,0x80,2;sid:1;)

These are ok. So,Why is this error reported.


Related issues 1 (0 open1 closed)

Copied to Suricata - Bug #4647: rules: Unable to find the sm in any of the sm listsClosedJeff LucovskyActions
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