""ET CURRENT_EVENTS HiYu - Request for Victim Enrichment""
SID: 2044318
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2023_02_24, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_02_24
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "POST"
-
Value: "/api.php"
-
Value: "X-Requested-With|3a 20|XMLHttpRequest|0d 0a|"
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Value: "API=" Depth: 4
-
Value: !"&"
Within:
PCRE: "/^Content-Length\x3a\x20(?:[2-9]|[1-9]\d|1\d{2}|200)[\r\n]+$/Hmi"
Special Options:
-
http_method
-
http_uri
-
fast_pattern
-
http_header
-
http_client_body
-
http_client_body