""ET TROJAN Win32/ASPC Bot CnC Checkin M1""

SID: 2024322

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 2017_05_18, deployment Perimeter, malware_family ASPC_Bot, performance_impact Moderate, signature_severity Major, updated_at 2017_06_08

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: "GET"

• Value: ".php?key="

• Value: "&string="

• Value: !"Referer|3a|"

Within:

PCRE: "/.php\?key=[^\r\n]+&string=[^\r\n]+?(?:(?:\x3a\x3a|3A3A)[^\x3a]+?){5,}$/Ui"

Special Options:

• http_method

• http_uri

• http_uri

• fast_pattern

• http_header

source