""ET ATTACK_RESPONSE Possible hosts File Output via HTTP (Linux Style)""
SID: 2049404
Revision: 1
Class Type: successful-recon-limited
Metadata: attack_target Server, created_at 2023_11_30, deployment Perimeter, performance_impact Low, confidence Low, signature_severity Major, tag WebShell, updated_at 2023_11_30, mitre_tactic_id TA0003, mitre_tactic_name Persistence, mitre_technique_id T1505, mitre_technique_name Server_Software_Component
Reference:
Protocol: tcp
Source Network: [$HOME_NET,$HTTP_SERVERS]
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: any
Flow: established,to_client
Contents:
-
Value: !"<html"
-
Value: "127.0.0.1"
-
Value: "localhost|0a|"
Within: 10
PCRE: "/^127.0.0.1\s+localhost[\r\n]+/m"
Special Options:
-
file_data
-
fast_pattern