Actor(s): Aurora Panda, Hurricane Panda
There is no description at this point.
rule win_hikit_auto { meta: author = "Felix Bilstein - yara-signator at cocacoding dot com" date = "2022-04-08" version = "1" description = "Detects win.hikit." 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.hikit" malpedia_rule_date = "20220405" malpedia_hash = "ecd38294bd47d5589be5cd5490dc8bb4804afc2a" malpedia_version = "20220411" 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 = { 4c 8b5c2420 41 8b4328 89442430 48 8b442420 } // n = 7, score = 100 // 4c | dec esp // 8b5c2420 | mov ebx, dword ptr [esp + 0x20] // 41 | inc ecx // 8b4328 | mov eax, dword ptr [ebx + 0x28] // 89442430 | mov dword ptr [esp + 0x30], eax // 48 | dec eax // 8b442420 | mov eax, dword ptr [esp + 0x20] $sequence_1 = { 57 8d45e8 50 6819000200 33ff 57 68???????? } // n = 7, score = 100 // 57 | push edi // 8d45e8 | lea eax, dword ptr [ebp - 0x18] // 50 | push eax // 6819000200 | push 0x20019 // 33ff | xor edi, edi // 57 | push edi // 68???????? | $sequence_2 = { 7507 33c0 e9???????? 48 8b8424d8000000 0fb64028 85c0 } // n = 7, score = 100 // 7507 | jne 9 // 33c0 | xor eax, eax // e9???????? | // 48 | dec eax // 8b8424d8000000 | mov eax, dword ptr [esp + 0xd8] // 0fb64028 | movzx eax, byte ptr [eax + 0x28] // 85c0 | test eax, eax $sequence_3 = { 898370100000 48 8b442470 48 83783800 7415 48 } // n = 7, score = 100 // 898370100000 | mov dword ptr [ebx + 0x1070], eax // 48 | dec eax // 8b442470 | mov eax, dword ptr [esp + 0x70] // 48 | dec eax // 83783800 | cmp dword ptr [eax + 0x38], 0 // 7415 | je 0x17 // 48 | dec eax $sequence_4 = { 50 894c2420 ff15???????? 89442410 83f8ff 750b 8d742410 } // n = 7, score = 100 // 50 | push eax // 894c2420 | mov dword ptr [esp + 0x20], ecx // ff15???????? | // 89442410 | mov dword ptr [esp + 0x10], eax // 83f8ff | cmp eax, -1 // 750b | jne 0xd // 8d742410 | lea esi, dword ptr [esp + 0x10] $sequence_5 = { 8b4624 85c0 7406 8b4e20 894820 8b461c 83661c00 } // n = 7, score = 100 // 8b4624 | mov eax, dword ptr [esi + 0x24] // 85c0 | test eax, eax // 7406 | je 8 // 8b4e20 | mov ecx, dword ptr [esi + 0x20] // 894820 | mov dword ptr [eax + 0x20], ecx // 8b461c | mov eax, dword ptr [esi + 0x1c] // 83661c00 | and dword ptr [esi + 0x1c], 0 $sequence_6 = { 50 ff90ec000000 eb22 53 8b5f38 57 53 } // n = 7, score = 100 // 50 | push eax // ff90ec000000 | call dword ptr [eax + 0xec] // eb22 | jmp 0x24 // 53 | push ebx // 8b5f38 | mov ebx, dword ptr [edi + 0x38] // 57 | push edi // 53 | push ebx $sequence_7 = { 4c 8b8c2490000000 4d 8b4908 4c 8b442468 4d } // n = 7, score = 100 // 4c | dec esp // 8b8c2490000000 | mov ecx, dword ptr [esp + 0x90] // 4d | dec ebp // 8b4908 | mov ecx, dword ptr [ecx + 8] // 4c | dec esp // 8b442468 | mov eax, dword ptr [esp + 0x68] // 4d | dec ebp $sequence_8 = { c745fc00000000 8b4d0c 894df8 8b5514 52 8b45f4 50 } // n = 7, score = 100 // c745fc00000000 | mov dword ptr [ebp - 4], 0 // 8b4d0c | mov ecx, dword ptr [ebp + 0xc] // 894df8 | mov dword ptr [ebp - 8], ecx // 8b5514 | mov edx, dword ptr [ebp + 0x14] // 52 | push edx // 8b45f4 | mov eax, dword ptr [ebp - 0xc] // 50 | push eax $sequence_9 = { 8d8c2414010000 51 53 e8???????? 83c40c 83f8ff 7411 } // n = 7, score = 100 // 8d8c2414010000 | lea ecx, dword ptr [esp + 0x114] // 51 | push ecx // 53 | push ebx // e8???????? | // 83c40c | add esp, 0xc // 83f8ff | cmp eax, -1 // 7411 | je 0x13 condition: 7 of them and filesize < 573440 }
rule win_hikit_w0 { meta: author = "31ric" description = "Backdoor.Hikit is a Trojan horse that opens a back door on the compromised computer." source = "https://github.com/mattulm/sfiles_yara/blob/master/malware/hiddenlynxfiles.yar" malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.hikit" malpedia_version = "20170517" malpedia_license = "CC BY-NC-SA 4.0" malpedia_sharing = "TLP:WHITE" strings: $f1 = "w7fw.sys" nocase ascii wide $f2 = "w7fw_m.inf" nocase ascii wide $f3 = "w7fw.inf" nocase ascii wide $f4 = "w7fw.cat" nocase ascii wide condition: 1 of them }
If your designated proposal does not fit in any other category, feel free to write a free-text in the comment field below.
Please propose all changes regarding references on the Malpedia library page
Your suggestion will be reviewed before being published. Thank you for contributing!
YYYY-MM-DD
YYYY-MM
YYYY