""ET TROJAN WSHRAT CnC Checkin""

SID: 2027447

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2019_06_10, malware_family WSHRAT, performance_impact Low, signature_severity Major, tag RAT, updated_at 2019_06_10

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: "User-Agent|3a 20|WSHRAT|7c|"

  • Value: "|20|-|20|"

Within:

PCRE:

Special Options:

  • http_method

  • http_header

  • fast_pattern

  • http_header

source