ET MALWARE DNS Query to SysJoker Domain (filestorage-short .org)

SID: 2049297Rev: 111 viewsHistory

Sourceet/open

CreatedNovember 27, 2023

UpdatedNovember 27, 2023

Classificationtrojan-activity

alert dns $HOME_NET any -> any any (msg:"ET MALWARE DNS Query to SysJoker Domain (filestorage-short .org)"; dns.query; dotprefix; content:".filestorage-short.org"; nocase; endswith; reference:url,research.checkpoint.com/2023/israel-hamas-war-spotlight-shaking-the-rust-off-sysjoker; reference:url,intezer.com/blog/research/wildcard-evolution-of-sysjoker-cyber-threat; classtype:trojan-activity; sid:2049297; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_11_27, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_11_27;)

References

url	research.checkpoint.com/2023/israel-hamas-war-spotlight-shaking-the-rust-off-sysjoker
url	intezer.com/blog/research/wildcard-evolution-of-sysjoker-cyber-threat

Metadata

attack targetClient_Endpoint

created at2023_11_27

deploymentPerimeter

confidenceHigh

signature severityMajor

tagDescription_Generated_By_Proofpoint_Nexus

updated at2023_11_27

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