""ET TROJAN Win32/Denisca.A CnC Beacon 2""

SID: 2021389

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2015_07_07, deployment Perimeter, signature_severity Major, tag c2, updated_at 2015_07_07, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

  • md5

  • aaa4304dd5f22a017930a9eeebc8898f

Protocol: udp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow:

Contents:

  • Value: "|2a 26|" Depth: 2

  • Value: "|26 5e|"

Within:

PCRE:

Special Options:

  • fast_pattern

source