""ET TROJAN Linux.Mumblehard Spam Command CnC""

SID: 2021053

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2015_05_04, updated_at 2015_05_04

Reference:

  • md5

  • 86f0b0b74fe8b95b163a1b31d76f7917

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 25

Flow: to_server,established

Contents:

  • Value: "POST / HTTP/1." Depth: 14

  • Value: "|0d 0a 0d 0a 0f 0f|"

Within:

PCRE: "/^\d{1,3}[0-2]/R"

Special Options:

source