""ET TROJAN DDoSia Client Target Retrieval""

SID: 2046698

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Linux, attack_target Client_and_Server, created_at 2023_06_29, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_06_29

Reference:

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: "/client/get_targets"

  • Value: "Time|3a 20|1"

  • Value: "User-Hash|3a 20 24|2a|24|16|24|"

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

Within:

PCRE: "/Host\x3a\x20[^\r\n]+\r\nUser-Agent\x3a\x20[^\r\n]+\r\nClient-Hash\x3a\x20[^\r\n]+\r\nContent-Type\x3a\x20[^\r\n]+\r\nTime\x3a\x20[^\r\n]+\r\nUser-Hash\x3a\x20[^\r\n]+\r\nAccept-Encoding[^\r\n]+\r\n\r\n/Hm"

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_header

  • fast_pattern

  • http_header

source