""ET TROJAN Malicious Browser Installer Checkin (POST)""
SID: 2039096
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2022_10_05, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, updated_at 2022_10_05
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"
-
Value: "/metrics/geoip" Depth: 14
-
Value: "Authorization|3a 20|SIGN|20|"
Within:
PCRE: "/Connection[^\r\n]+\r\nDate[^\r\n]+\r\nPragma[^\r\n]+\r\nAuthorization[^\r\n]+\r\nHost[^\r\n]+\r\n/Hm"
Special Options:
-
http_method
-
fast_pattern
-
http_uri
-
http_header