ET MALWARE APT 41 LOWKEY Backdoor - Initalisation Bytes Received from CnC
Sourceet/open
CreatedOctober 16, 2019
UpdatedJune 2, 2023
Classificationcommand-and-control
alert tcp $EXTERNAL_NET any -> $HOME_NET 53 (msg:"ET MALWARE APT 41 LOWKEY Backdoor - Initalisation Bytes Received from CnC"; flow:established,from_server; content:"|FF FF 01 00 00 01 00 00 00 00 00 00|"; startswith; reference:url,www.mandiant.com/resources/blog/lowkey-hunting-missing-volume-serial-id; classtype:command-and-control; sid:2028863; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2019_10_16, deployment Perimeter, malware_family LOWKEY, performance_impact Low, confidence High, signature_severity Major, tag APT41, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_06_02;)
Metadata
affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
attack targetClient_and_Server
created at2019_10_16
deploymentPerimeter
malware familyLOWKEY
performance impactLow
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2023_06_02
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