""ET TROJAN PshellBkdr C2 Traffic Known Authorization Bearer in HTTP Request (POST)""
SID: 2054750
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_07_29, deployment Perimeter, confidence High, signature_severity Critical, tag c2, updated_at 2024_07_29, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "POST"
-
Value: "|0d 0a|Authorization|3a 20|Bearer|20|56e620b9e45120dfd1c534aee0b10c9eb3fc3948e7564cda3313a2ed456706e8|0d 0a|"
Within:
PCRE:
Special Options:
-
http_method
-
http_header
-
nocase