""ET TROJAN Observed 3CX Supply Chain Attack Cookie""
SID: 2044848
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2023_03_31, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_03_31, reviewed_at 2024_05_07
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: to_server,established
Contents:
-
Value: "cookie|3a 20|__tutma="
-
Value: "__tutma=" Depth: 8
Within:
PCRE:
Special Options:
-
nocase
-
http_cookie