""ET TROJAN Win32/Wacapew.C!ml CnC Checkin""

SID: 2037777

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_07_15, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2022_07_15, reviewed_at 2024_08_19

Reference:

  • md5

  • 7f939b3ba32224827485168077881948

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: "/?cname=" Depth: 8

  • Value: "User-Agent|3a 20|Go-http-client"

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+\r\nUser-Agent\x3a\x20[^\r\n]+\r\nAccept-Encoding\x3a\x20[^\r\n]+[\r\n]+$/H"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

source