""ET USER_AGENTS Observed Malicious User-Agent (FastInvoice)""
SID: 2035932
Revision: 2
Class Type: bad-unknown
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_04_13, deployment Perimeter, signature_severity Minor, updated_at 2022_04_13
Reference:
-
md5
-
42218b0ce7fc47f80aa239d4f9e000a1
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
- Value: "User-Agent|3a 20|FastInvoice|0d 0a|"
Within:
PCRE:
Special Options:
-
http_header
-
fast_pattern