""ET TROJAN Maldoc CnC Checkin""

SID: 2039000

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_09_26, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2022_09_26, reviewed_at 2024_08_19

Reference:

  • md5

  • eabd8a4a9e89f86e617da9b24c25dcee

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: "/ugearupload/" Depth: 13

Within:

PCRE: "/^Accept\x3a\x20[^\r\n]+\r\nUA-CPU\x3a\x20[^\r\n]+\r\nAccept-Encoding\x3a\x20[^\r\n]+\r\nUser-Agent\x3a\x20[^\r\n]+\r\nHost\x3a\x20[^\r\n]+\r\nConnection\x3a\x20[^\r\n]+[\r\n]+$/H"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

source