Actor(s): Pitty Panda
Paladin RAT is a variant of Gh0st RAT used by PittyPanda active since at least 2011.
rule win_paladin_auto { meta: author = "Felix Bilstein - yara-signator at cocacoding dot com" date = "2023-07-11" version = "1" description = "Detects win.paladin." info = "autogenerated rule brought to you by yara-signator" tool = "yara-signator v0.6.0" signator_config = "callsandjumps;datarefs;binvalue" malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.paladin" malpedia_rule_date = "20230705" malpedia_hash = "42d0574f4405bd7d2b154d321d345acb18834a41" malpedia_version = "20230715" malpedia_license = "CC BY-SA 4.0" malpedia_sharing = "TLP:WHITE" /* DISCLAIMER * The strings used in this rule have been automatically selected from the * disassembly of memory dumps and unpacked files, using YARA-Signator. * The code and documentation is published here: * https://github.com/fxb-cocacoding/yara-signator * As Malpedia is used as data source, please note that for a given * number of families, only single samples are documented. * This likely impacts the degree of generalization these rules will offer. * Take the described generation method also into consideration when you * apply the rules in your use cases and assign them confidence levels. */ strings: $sequence_0 = { ffd3 8b17 8b4e10 2bc2 3bc1 7317 8b2d???????? } // n = 7, score = 200 // ffd3 | call ebx // 8b17 | mov edx, dword ptr [edi] // 8b4e10 | mov ecx, dword ptr [esi + 0x10] // 2bc2 | sub eax, edx // 3bc1 | cmp eax, ecx // 7317 | jae 0x19 // 8b2d???????? | $sequence_1 = { 57 a3???????? ff15???????? 85c0 752b 8b3f } // n = 6, score = 200 // 57 | push edi // a3???????? | // ff15???????? | // 85c0 | test eax, eax // 752b | jne 0x2d // 8b3f | mov edi, dword ptr [edi] $sequence_2 = { ffd3 8d55ef 6a01 52 8d8de8feffff 8bf8 c645ef2b } // n = 7, score = 200 // ffd3 | call ebx // 8d55ef | lea edx, [ebp - 0x11] // 6a01 | push 1 // 52 | push edx // 8d8de8feffff | lea ecx, [ebp - 0x118] // 8bf8 | mov edi, eax // c645ef2b | mov byte ptr [ebp - 0x11], 0x2b $sequence_3 = { 56 ffd7 68???????? 56 ffd7 8bd8 } // n = 6, score = 200 // 56 | push esi // ffd7 | call edi // 68???????? | // 56 | push esi // ffd7 | call edi // 8bd8 | mov ebx, eax $sequence_4 = { c744241430a80010 8b7c2414 8b2d???????? 57 56 8d842478020000 68???????? } // n = 7, score = 200 // c744241430a80010 | mov dword ptr [esp + 0x14], 0x1000a830 // 8b7c2414 | mov edi, dword ptr [esp + 0x14] // 8b2d???????? | // 57 | push edi // 56 | push esi // 8d842478020000 | lea eax, [esp + 0x278] // 68???????? | $sequence_5 = { 50 c705????????01000000 ff15???????? 8b2d???????? 8d8c249c010000 } // n = 5, score = 200 // 50 | push eax // c705????????01000000 | // ff15???????? | // 8b2d???????? | // 8d8c249c010000 | lea ecx, [esp + 0x19c] $sequence_6 = { 8d8db8feffff 51 56 ffd3 85c0 } // n = 5, score = 200 // 8d8db8feffff | lea ecx, [ebp - 0x148] // 51 | push ecx // 56 | push esi // ffd3 | call ebx // 85c0 | test eax, eax $sequence_7 = { e8???????? 8b4c2440 83c438 894614 8bc6 5e 64890d00000000 } // n = 7, score = 200 // e8???????? | // 8b4c2440 | mov ecx, dword ptr [esp + 0x40] // 83c438 | add esp, 0x38 // 894614 | mov dword ptr [esi + 0x14], eax // 8bc6 | mov eax, esi // 5e | pop esi // 64890d00000000 | mov dword ptr fs:[0], ecx $sequence_8 = { 6a05 57 8bcb e8???????? 8d6e7c 8bcd } // n = 6, score = 200 // 6a05 | push 5 // 57 | push edi // 8bcb | mov ecx, ebx // e8???????? | // 8d6e7c | lea ebp, [esi + 0x7c] // 8bcd | mov ecx, ebp $sequence_9 = { e8???????? 84c0 0f84bf000000 ffd3 } // n = 4, score = 200 // e8???????? | // 84c0 | test al, al // 0f84bf000000 | je 0xc5 // ffd3 | call ebx condition: 7 of them and filesize < 106496 }
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