""ET TROJAN Possible Win32/Get2 Downloader Activity""

SID: 2028642

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_10_01, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, signature_severity Major, updated_at 2022_05_12

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "CIBA|3b 20|MS-RTC LM 8|29 0d 0a|"

  • Value: "POST"

Within:

PCRE:

Special Options:

  • http_header

  • http_method

source