Dynamic Analys
ΠΠ»Ρ Π΄ΠΈΠ½Π°ΠΌΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ Π°Π½Π°Π»ΠΈΠ·Π° Π΄Π΅Π»Π°Π΅ΠΌ ΡΠ»Π΅Π΄ΡΡΡΠ΅Π΅:
Inspecting the items being shared
Identifying the app extensions involved
Inspecting the items being shared
ΠΠ΅Π»Π°Π΅ΠΌ Ρ
ΡΠΊ Π½Π° NSExtensionContext - inputItems
ΠΠ°Π»Π΅Π΅, Π½Π°ΠΏΡΠΈΠΌΠ΅Ρ, Π² ΠΏΡΠΈΠ»ΠΎΠΆΠ΅Π½ΠΈΠΈ Notes Π½Π°ΠΆΠΈΠΌΠ°Π΅ΠΌ ΠΊΠ½ΠΎΠΏΠΊΡ Share (ΠΈΠ»ΠΈ ΡΠΎΠ²Π΅ΡΡΠ°Π΅ΠΌ Π»ΡΠ±ΠΎΠ΅ Π΄Π΅ΠΉΡΡΠ²ΠΈΠ΅, ΠΊΠΎΡΠΎΡΠΎΠ΅ Π·Π°Π΄Π΅ΠΉΡΡΠ²ΡΠ΅Ρ Π½Π°ΡΠ΅ ΡΠ°ΡΡΠΈΡΠ΅Π½ΠΈΠ΅), ΠΈ Π²ΡΠ±ΠΈΡΠ°Π΅ΠΌ ΡΠ΅Π»ΡΡ ΠΈΡΡΠ»Π΅Π΄ΡΠ΅ΠΌΠΎΠ΅ ΠΏΡΠΈΠ»ΠΎΠΆΠ΅Π½ΠΈΠ΅. ΠΡΠΎ ΠΏΡΠΈΠ²Π΅Π΄Π΅Ρ ΠΊ Π²ΡΠ·ΠΎΠ²Ρ Ρ ΡΠΊΠ°.
ΠΡΠΈΠΌΠ΅Ρ:
(0x1c06bb420) NSExtensionContext - inputItems
0x18284355c Foundation!-[NSExtension _itemProviderForPayload:extensionContext:]
0x1828447a4 Foundation!-[NSExtension _loadItemForPayload:contextIdentifier:completionHandler:]
0x182973224 Foundation!__NSXPCCONNECTION_IS_CALLING_OUT_TO_EXPORTED_OBJECT_S3__
0x182971968 Foundation!-[NSXPCConnection _decodeAndInvokeMessageWithEvent:flags:]
0x182748830 Foundation!message_handler
0x181ac27d0 libxpc.dylib!_xpc_connection_call_event_handler
0x181ac0168 libxpc.dylib!_xpc_connection_mach_event
...
RET: (
"<NSExtensionItem: 0x1c420a540> - userInfo:
{
NSExtensionItemAttachmentsKey = (
"<NSItemProvider: 0x1c46b30e0> {types = (\n \"public.plain-text\",\n \"public.file-url\"\n)}"
);
}"
)
ΠΠΈΠ΄ΠΈΠΌ, ΡΡΠΎ:
ΠΡΠΏΠΎΠ»ΡΠ·ΡΠ΅ΡΡΡ Π½ΠΈΠ·ΠΊΠΎΡΡΠΎΠ²Π½Π΅Π²Π°Ρ ΡΠΈΡΡΠ΅ΠΌΠ½Π°Ρ Π±ΠΈΠ±Π»ΠΈΠΎΡΠ΅ΠΊΠ° (ΡΡΠ΅ΠΉΠΌΠ²ΠΎΡΠΊ) libxpc.dylib. XPC - ΠΌΠ΅ΠΆΠΏΡΠΎΡΠ΅ΡΡΠ½ΠΎΠ΅ Π²Π·Π°ΠΈΠΌΠΎΠ΄Π΅ΠΉΡΡΠ²ΠΈΠ΅. ΠΠΎΠ½ΠΊΡΠ΅ΡΠ½Π΅Π΅, ΠΊΠ»Π°ΡΡ - NSXPCConnection
UTIs, ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½Π½ΡΠ΅ Π² NSItemProvider - public.plain-text ΠΈ public.file-url (ΠΊΠΎΡΠΎΡΡΠ΅ Π²ΠΊΠ»ΡΡΠ΅Π½Ρ Π² NSExtensionActivationRule Π² Info.plist)
Identifying the app extensions involved
Π£Π·Π½Π°ΡΡ, ΠΊΠ°ΠΊΠΎΠ΅ ΠΈΠΌΠ΅Π½Π½ΠΎ ΡΠ°ΡΡΠΈΡΠ΅Π½ΠΈΠ΅ ΠΎΠ±ΡΠ°Π±Π°ΡΡΠ²Π°Π΅Ρ Π²Π°Ρ Π·Π°ΠΏΡΠΎΡ - Ρ
ΡΠΊ Π½Π° ΠΌΠ΅ΡΠΎΠ΄ NSExtension - _plugIn
ΠΡΠΈΠΌΠ΅Ρ:
(0x1c0370200) NSExtension - _plugIn
RET: <PKPlugin: 0x1163637f0 ph.telegra.Telegraph.Share(5.3) 5B6DE177-F09B-47DA-90CD-34D73121C785
1(2) /private/var/containers/Bundle/Application/15E6A58F-1CA7-44A4-A9E0-6CA85B65FA35
/Telegram X.app/PlugIns/Share.appex>
(0x1c0372300) -[NSExtension _plugIn]
RET: <PKPlugin: 0x10bff7910 com.apple.mobilenotes.SharingExtension(1.5) 73E4F137-5184-4459-A70A-83
F90A1414DC 1(2) /private/var/containers/Bundle/Application/5E267B56-F104-41D0-835B-F1DAB9AE076D
/MobileNotes.app/PlugIns/com.apple.mobilenotes.SharingExtension.appex>
ΠΊΠ°ΠΊ Π²ΠΈΠ΄ΠΈΠΌ, Π² ΠΏΡΠΈΠΌΠ΅ΡΠ΅ ΠΎΡΡΠ°Π±Π°ΡΡΠ²Π°ΡΡ 2 ΡΠ°ΡΡΠΈΡΠ΅Π½ΠΈΡ
ΠΠ»Ρ Π±ΠΎΠ»Π΅Π΅ Π³Π»ΡΠ±ΠΎΠΊΠΎΠ³ΠΎ Π°Π½Π°Π»ΠΈΠ·Π°, Π½Π°Π΄ΠΎ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°ΡΡ Π±ΠΈΠ±Π»ΠΈΠΎΡΠ΅ΠΊΡ libxpc.dylib Π²ΠΌΠ΅ΡΡΠ΅ Ρ frida-trace. Π’Π°ΠΌ Π΅ΡΡΡ ΠΌΠ½ΠΎΠ³ΠΎ ΠΈΠ½ΡΠ΅ΡΠ΅ΡΠ½ΡΡ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠ².
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