""ET TROJAN W32/Hicrazyk.A Downloader Install CnC Beacon""

SID: 2018435

Revision: 4

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2014_04_30, deployment Perimeter, signature_severity Major, tag c2, updated_at 2014_05_17, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

  • md5

  • ddb8110ec415b7b6f43c0ef2b4076d45

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/setup/?name="

  • Value: "&ini="

  • Value: "&v="

  • Value: "User-Agent|3A| NSISDL/"

Within:

PCRE:

Special Options:

  • http_uri

  • http_uri

  • http_uri

  • http_header

source