""ET INFO Possible Apache log4j RCE Attempt - Any Protocol (upper UDP Bypass) (CVE-2021-44228)""
SID: 2034664
Revision: 1
Class Type: misc-activity
Metadata: created_at 2021_12_11, cve CVE_2021_44228, updated_at 2023_02_16
Reference:
-
cve
-
2021-44228
Protocol: udp
Source Network: any
Source Port: any
Destination Network: [$HOME_NET,$HTTP_SERVERS]
Destination Port: any
Flow:
Contents:
-
Value: "|24 7b|jndi|3a|"
-
Value: "|24 7b|upper|3a|"
Within:
PCRE:
Special Options:
-
nocase
-
fast_pattern