""ET INFO .exe File requested over FTP""
SID: 2014906
Revision: 2
Class Type: misc-activity
Metadata: attack_target Client_and_Server, created_at 2012_06_15, deployment Perimeter, deployment alert_only, signature_severity Informational, updated_at 2023_05_01
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: 21
Flow: established,to_server
Contents:
-
Value: "RETR" Depth: 4
-
Value: ".exe|0d 0a|"
Within:
PCRE: "/^RETR\s+[^\r\n]+?\x2eexe\r?$/m"
Special Options: