""ET EXPLOIT Linux/Attempted Hosts File Exfil""
SID: 2035315
Revision: 2
Class Type: attempted-admin
Metadata: affected_product Linux, attack_target Server, created_at 2022_02_28, deployment Perimeter, signature_severity Major, updated_at 2022_02_28, reviewed_at 2024_06_26
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_server
Contents:
-
Value: "GET"
-
Value: "?url=file|3a 2f 2f 2f|etc|2f|hosts"
-
Value: !"Referer|3a 20|"
Within:
PCRE: "/\?url=file|3a\x202f\x202f\x202f|etc|2f|hosts$/U"
Special Options:
-
http_method
-
http_uri
-
fast_pattern
-
http_header