""ET TROJAN Cobalt Strike Malleable C2 JQuery Custom Profile M5""
SID: 2034463
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2021_11_15, deployment Perimeter, malware_family Cobalt_Strike, signature_severity Major, updated_at 2021_11_15, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1001, mitre_technique_name Data_Obfuscation
Reference:
-
md5
-
a8e97752bb385cc263d89350518633c2
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "GET /jquery-3.3.2.slim.min.js HTTP/1.1"
-
Value: "Accept|3a 20|text/html,application/xhtml+xml|3b|q=0.9,/|3b|q=0.8|0d 0a|"
-
Value: "Accept-Encoding|3a 20|gzip, deflate|0d 0a|"
Within:
PCRE: "/\x3a\x20[^\r\n]+\r\nAccept\x3a\x20[^\r\n]+\r\nAccept-Language\x3a\x20[^\r\n]+\r\nReferer\x3a\x20[^\r\n]+\r\nAccept-Encoding\x3a\x20[^\r\n]+\r\nUser-Agent\x3a\x20[^\r\n]+\r\nHost\x3a\x20[^\r\n]+\r\nConnection\x3a\x20[^\r\n]+\r\nCache-Control\x3a\x20[^\r\n]+[\r\n]+$/H"
Special Options:
-
fast_pattern
-
http_header
-
http_header