""ET TROJAN ViperSoftX HTTP CnC Activity""
SID: 2043153
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_12_30, deployment Perimeter, malware_family ViperSoftX, performance_impact Low, confidence High, signature_severity Major, tag c2, updated_at 2022_12_30, 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: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "GET"
-
Value: "/v2/" Depth: 4
-
Value: "?v=Ver_"
Within: 7
PCRE: "/^Host\x3a\x20[a-z]{5,10}.com[\r\n]+$/Hm"
Special Options:
-
http_method
-
http_uri
-
http_uri
-
fast_pattern