""ET TROJAN CommentCrew Possible APT c2 communications html return 1""
SID: 2016477
Revision: 3
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2013_02_22, deployment Perimeter, signature_severity Major, tag c2, updated_at 2014_09_19, 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: $EXTERNAL_NET
Source Port: 80
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
-
Value: "|48 54 54 50 2f 31 2e 30 20 32 30 30 20 4f 4b 0d 0a|"
-
Value: "|43 6f 6e 74 65 6e 74 2d 4c 65 6e 67 74 68 3a 20 31 0d 0a|"
-
Value: "|43 6f 6e 65 63 74 69 6f 6e 3a 20 4b 65 65 70 2d 41 6c 69 76 65 0d 0a|"
-
Value: "|53 65 74 2d 43 6f 6f 6b 69 65 3a|"
-
Value: "|0d 0a 20 31|"
Within:
PCRE:
Special Options: