ET HUNTING Possible Apache log4j RCE Attempt - Any Protocol (upper UDP Bypass) (CVE-2021-44228)

SID: 2034664Rev: 10 views
History
Sourceet/open
CreatedDecember 11, 2021
UpdatedFebruary 16, 2023
Classificationmisc-activity
alert udp any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET HUNTING Possible Apache log4j RCE Attempt - Any Protocol (upper UDP Bypass) (CVE-2021-44228)"; content:"|24 7b|jndi|3a|"; nocase; fast_pattern; content:"|24 7b|upper|3a|"; distance:0; reference:cve,2021-44228; classtype:misc-activity; sid:2034664; rev:1; metadata:created_at 2021_12_11, cve CVE_2021_44228, confidence Medium, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_02_16;)

References

cve2021-44228

Metadata

created at2021_12_11
confidenceMedium
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2023_02_16

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