""ET TROJAN W32/Emotet Empty CnC Beacon""

SID: 2035046

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_05_09, deployment Perimeter, malware_family Emotet, signature_severity Major, tag c2, updated_at 2017_05_09, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

  • md5

  • 627f3572e9c37de307b3511925934fb9

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: [443,7080,8080]

Flow: established,to_server

Contents:

  • Value: "GET / HTTP/1.1|0D 0A|User-Agent|3A| Mozilla/5.0 (compatible|3B| MSIE 8.0|3B| Windows NT 5.1|3B| SLCC1|3B| .NET CLR 1.1.4322)|0D 0A|Host|3A|" Depth: 111

  • Value: !"Referer|3A|"

  • Value: !"Accept"

  • Value: !"Cookie|3A 20|"

Within:

PCRE:

Special Options:

source