""ET TROJAN MegalodonHTTP CoinMiner Activity""

SID: 2022128

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2015_11_23, deployment Perimeter, signature_severity Major, tag Coinminer, updated_at 2015_11_23, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1496, mitre_technique_name Resource_Hijacking

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: ".php?check="

  • Value: !"User-Agent|3a|"

  • Value: !"Accept"

  • Value: !"Referer|3a|"

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+\r\n\r?$/H"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_header

  • http_header

source