""ET TROJAN BellaCiao ASPX Backdoor Response""
SID: 2045977
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Microsoft_IIS, attack_target Web_Server, created_at 2023_05_31, deployment Perimeter, deployment SSLDecrypt, malware_family BellaCiao, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_05_31
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_client
Contents:
-
Value: "200"
-
Value: "Server|3a 20|Microsoft-IIS/"
-
Value: "|3c|HTML|3e 3c|HEAD|3e 3c|title|3e|invoice|3c 2f|title|3e 3c 2f|HEAD|3e 20 3c|body bgcolor|3d 22 23|808080|22 3e|Not Found |21 21 21 21 3c|div|3e 3c 2f|div|3e 3c 2f|body|3e 3c 2f|HTML|3e|"
Within:
PCRE:
Special Options:
-
http_stat_code
-
http_header
-
file_data