""ET SCAN NMAP SIP Version Detection Script Activity""
SID: 2018318
Revision: 1
Class Type: attempted-recon
Metadata: created_at 2014_03_25, updated_at 2014_03_25
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: any
Destination Network: $HOME_NET
Destination Port: 5060:5061
Flow:
Contents:
-
Value: "Via|3A| SIP/2.0/TCP nm"
-
Value: "From|3A| <sip|3A|nm@nm"
Within: 150
PCRE:
Special Options:
- fast_pattern