""ET TROJAN Win32/SiMay RAT Activity M2 (GET)""

SID: 2036679

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_05_25, deployment Perimeter, malware_family SiMayRAT, signature_severity Major, updated_at 2022_05_25

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: "Host|3a 20|note.youdao.com|0d 0a|"

  • Value: "&shareKey=f83f6c6da089d58ea8538c71344b8e64 HTTP/1.0|0d 0a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_header

  • fast_pattern

source