""ET TROJAN FIN7 JSSLoader Activity (POST)""
SID: 2035609
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2022_03_25, deployment Perimeter, deployment SSLDecrypt, malware_family FIN7, malware_family CarbonSpider, signature_severity Major, updated_at 2022_03_25
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
- Value: "POST /?id="
Within:
PCRE: "/^Host[^\r\n]+\r\nContent-Length[^\r\n]+\r\nExpect[^\r\n]+\r\nConnection[^\r\n]+\r\n\r\n$/H"
Special Options:
- fast_pattern