""ET TROJAN Lazarus Group Comebacker Backdoor CnC Checkin""
SID: 2051149
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_02_28, deployment Perimeter, malware_family Comebacker, performance_impact Low, confidence High, signature_severity Major, tag Lazarus, updated_at 2024_02_28
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "POST"
-
Value: ".asp"
-
Value: "|3d|MgAwADIA"
Within:
PCRE: "/^\/(download\/download|user\/agency|manage\/manage|upload\/upload).asp$/U"
Special Options:
-
http_method
-
http_uri
-
http_client_body
-
fast_pattern