""ET TROJAN Win32/ASPC Bot CnC Checkin M2""

SID: 2024321

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 2017_05_18, deployment Perimeter, malware_family ASPC_Bot, performance_impact Moderate, signature_severity Major, updated_at 2017_05_18

Reference:

  • md5

  • 15167239effdfb68bb10467eeea2f24d

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: ".php?key="

  • Value: "&string="

  • Value: "User-Agent|3a 20|Mozilla/"

  • Value: !"Referer|3a|"

  • Value: "key=" Depth: 4

  • Value: "&string="

Within:

PCRE: "/.php\?key=[^\r\n]+&string=[^\r\n]+?(?:\x3a\x3a[^\x3a]+?){5,}$/Ui"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_header

  • http_header

  • http_client_body

  • http_client_body

source