""ET WEB_SERVER LEMURLOOT WebShell Interaction Header (X-siLock-Comment) - Observed in MOVEit File Transfer - INBOUND""
SID: 2046047
Revision: 1
Class Type: attempted-admin
Metadata: affected_product Web_Server_Applications, attack_target Web_Server, created_at 2023_06_02, deployment Perimeter, deployment SSLDecrypt, malware_family LEMURLOOT, performance_impact Low, confidence High, signature_severity Major, tag WebShell, updated_at 2023_06_02
Reference:
-
md5
-
af136505d384c9a89635b365e55b7fa3
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: any
Destination Network: [$HOME_NET,$HTTP_SERVERS]
Destination Port: any
Flow: established,to_server
Contents:
- Value: "X-siLock-Comment|3a 20|"
Within:
PCRE:
Special Options:
-
http_header
-
nocase
-
fast_pattern