""ET SCAN NMAP SIP Version Detect OPTIONS Scan""
SID: 2018317
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: $HTTP_PORTS
Flow: established,to_server
Contents:
- Value: "OPTIONS sip|3A|nm SIP/" Depth: 19
Within:
PCRE:
Special Options: