""ET TROJAN Kimsuky KGH Backdoor CnC Activity M2""

SID: 2031179

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_11_04, deployment Perimeter, malware_family KGH_Malware_Suite, signature_severity Major, tag Kimsuky, updated_at 2020_11_04

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: ".php?wShell="

  • Value: "|3b 20 2e|NET CLR 3.5.30729|3b 20|InfoPath.2)|0d 0a|"

Within:

PCRE: "/User-Agent\x3a\x20[^\r\n]+\x3b\x20\x2eNET CLR 3.5.30729|3b 20|InfoPath.2)$/Hm"

Special Options:

  • http_uri

  • fast_pattern

  • http_header

source