""ET TROJAN Possible HijackLoader Second Stage PNG Retrieval""
SID: 2051761
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_03_21, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2024_03_21
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
-
Value: "|89|PNG|0d 0a 1a 0a|" Depth: 8
-
Value: "IDAT|c6 a5 79 ea|"
Within: 50
PCRE:
Special Options:
-
file_data
-
fast_pattern