""ET TROJAN W32/Wadolin.Downloader CnC Beacon""

SID: 2019827

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2014_12_01, deployment Perimeter, signature_severity Major, tag c2, updated_at 2014_12_01, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

  • md5

  • 693c007d651bb5a8c6d2a4f5ed65a69c

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/upgrade-functions.php?v="

  • Value: "&id="

  • Value: "User-Agent|3A| Mozilla/4.0 (compatible|3B| MSIE 6.1|3B| Windows XP)"

Within:

PCRE:

Special Options:

  • fast_pattern

  • http_uri

  • http_uri

  • http_header

source