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{
"type" : "bundle" ,
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"id" : "bundle--ca1a2d02-6211-48ec-87ee-e95f5710fc86" ,
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"spec_version" : "2.0" ,
"objects" : [
{
"type" : "x-mitre-analytic" ,
"id" : "x-mitre-analytic--f12b94b0-ec2f-4eb1-9ea4-8632e41475a1" ,
"created" : "2025-10-21T15:10:28.402Z" ,
"created_by_ref" : "identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5" ,
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"revoked" : false ,
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"external_references" : [
{
"source_name" : "mitre-attack" ,
"url" : "https://attack.mitre.org/detectionstrategies/DET0620#AN1681" ,
"external_id" : "AN1681"
}
] ,
"object_marking_refs" : [
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] ,
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"modified" : "2026-03-02T20:39:33.682Z" ,
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"name" : "Analytic 1681" ,
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"description" : "Defender observes an application establishing recurrent HTTPS or FCM-based communication sessions exhibiting structured cadence, asymmetric request/response sizes, or persistent low-volume polling inconsistent with declared application functionality, potentially embedding command data within web protocol traffic." ,
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"x_mitre_modified_by_ref" : "identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5" ,
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"x_mitre_deprecated" : false ,
"x_mitre_version" : "1.1" ,
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"x_mitre_attack_spec_version" : "3.3.0" ,
"x_mitre_domains" : [
"mobile-attack"
] ,
"x_mitre_platforms" : [
"Android"
] ,
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"x_mitre_log_source_references" : [
{
"x_mitre_data_component_ref" : "x-mitre-data-component--3772e279-27d6-477a-9fe3-c6beb363594c" ,
"name" : "NSM:Flow" ,
"channel" : "HTTPS sessions exhibiting periodic request cadence or structured payload exchanges inconsistent with application baseline"
}
] ,
"x_mitre_mutable_elements" : [
{
"field" : "BeaconIntervalVarianceThreshold" ,
"description" : "Defines acceptable deviation in HTTPS polling cadence"
} ,
{
"field" : "PayloadSymmetryThreshold" ,
"description" : "Defines acceptable ratio between request and response sizes"
} ,
{
"field" : "AppNetworkRoleBaseline" ,
"description" : "Expected mapping between application category and network endpoints"
}
]
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}
]
}