""ET INFO Possibly Suspicious Request for Putty.exe from Non-Standard Download Location""
SID: 2026570
Revision: 2
Class Type: bad-unknown
Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2018_11_02, deployment Perimeter, signature_severity Minor, updated_at 2018_11_02
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: to_server,established
Contents:
-
Value: "GET"
-
Value: "/putty.exe"
-
Value: !"Host|3a 20|the.earth.li"
Within:
PCRE: "/\/putty.exe$/Ui"
Special Options:
-
http_method
-
http_uri
-
nocase
-
http_header