""ET TROJAN SnappyTCP Reverse Shell Client Checkin M1""
SID: 2049528
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Linux, attack_target Client_Endpoint, created_at 2023_12_06, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Critical, updated_at 2023_12_06
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
- Value: "GET|20 2f|sy|2e|php|20|HTTP|2f|1|2e|1|0d 0a|" Depth: 22
Within:
PCRE: "/^Host\x3a\x20[^\r\n]+\r\nHostname|0d 0a 0d 0a|/"
Special Options:
- fast_pattern