""ET TROJAN Generic njRAT/Bladabindi CnC Activity (ll)""
SID: 2033132
Revision: 5
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_03_22, deployment Perimeter, malware_family Bladabindi, malware_family njrat, performance_impact Moderate, signature_severity Major, updated_at 2018_09_25
Reference:
-
md5
-
d68eaf3b43ba1d26b9067489bbf7ee44
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: !$HTTP_PORTS
Flow: established,to_server
Contents:
- Value: "|00 6c 6c|" Depth: 6
Within:
PCRE: "/^[0-9]{2,3}\x00\x6c\x6c(?P[\x20-\x2f\x30-\x39\x3a-\x40\x41-\x5a\x5b-\x60\x7b-\x7e][\x20-\x7e]+?[\x20-\x2f\x30-\x39\x3a-\x40\x41-\x5a\x5b-\x60\x7b-\x7e])(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})(?P=var)[^\r\n]+(?P=var)$/i"
Special Options:
- fast_pattern