""ET ATTACK_RESPONSE Unusual FTP Server Banner (freeFTPd)""
SID: 2003465
Revision: 5
Class Type: trojan-activity
Metadata: created_at 2010_07_30, updated_at 2010_12_22
Reference:
Protocol: tcp
Source Network: any
Source Port: 21
Destination Network: $HOME_NET
Destination Port: any
Flow: established,from_server
Contents:
-
Value: "220 "
-
Value: "--freeFTPd " Depth: 40
Within:
PCRE:
Special Options:
- nocase