""ET TROJAN APT Related CR4T Dropper Activity M2 (GET)""
SID: 2052241
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_04_23, deployment Perimeter, deployment SSLDecrypt, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2024_04_23
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"
-
Value: "/inst" Depth: 5
Within:
PCRE: "/^User-Agent[^\r\n]+\r\nHost[^\r\n]+\r\nCache-Control[^\r\n]+\r\n\r\n/Hm"
Special Options:
-
http_method
-
fast_pattern
-
http_uri