""ET TROJAN Matanbuchus Loader CnC M1""
SID: 2034466
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2021_11_16, deployment Perimeter, malware_family Matanbuchus, signature_severity Major, updated_at 2021_11_16, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: [$HTTP_PORTS,44413]
Flow: established,to_server
Contents:
-
Value: "POST " Depth: 5
-
Value: ".php HTTP/1"
-
Value: "Content-Type|3a 20|application/x-www-form-urlencoded|0d 0a|"
-
Value: "=eyIzQ0VrIjoi"
Within:
PCRE: "/(?:IiwiM2ZlMTEiOi|IsIjNmZTExIjoi|iLCIzZmUxMSI6I)/R"
Special Options:
- fast_pattern