SYMBOLCOMMON_NAMEaka. SYNONYMS
win.sality (Back to overview)

Sality

Actor(s): Salty Spider


There is no description at this point.

References
2015-12-02BotconfPeter Kleissner
@techreport{kleissner:20151202:sality:791ea01, author = {Peter Kleissner}, title = {{Sality: 2003 - Today}}, date = {2015-12-02}, institution = {Botconf}, url = {https://www.botconf.eu/wp-content/uploads/2015/12/OK-P18-Kleissner-Sality.pdf}, language = {English}, urldate = {2020-01-13} } Sality: 2003 - Today
Sality
2011-07SymantecNicolas Falliere
@techreport{falliere:201107:sality:85158ba, author = {Nicolas Falliere}, title = {{Sality: Story of a Peerto-Peer Viral Network}}, date = {2011-07}, institution = {Symantec}, url = {https://www.symantec.com/content/en/us/enterprise/media/security_response/whitepapers/sality_peer_to_peer_viral_network.pdf}, language = {English}, urldate = {2019-11-28} } Sality: Story of a Peerto-Peer Viral Network
Sality
Yara Rules
[TLP:WHITE] win_sality_auto (20201014 | autogenerated rule brought to you by yara-signator)
rule win_sality_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2020-10-14"
        version = "1"
        description = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.5.0"
        tool_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.sality"
        malpedia_rule_date = "20201014"
        malpedia_hash = "a7e3bd57eaf12bf3ea29a863c041091ba3af9ac9"
        malpedia_version = "20201014"
        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 = { 8d8de4efffff 51 6a00 68ff0f0000 8d95fcefffff }
            // n = 5, score = 300
            //   8d8de4efffff         | lea                 ecx, [ebp - 0x101c]
            //   51                   | push                ecx
            //   6a00                 | push                0
            //   68ff0f0000           | push                0xfff
            //   8d95fcefffff         | lea                 edx, [ebp - 0x1004]

        $sequence_1 = { 8b5514 52 6883000000 e8???????? 83c410 8b4dfc }
            // n = 6, score = 300
            //   8b5514               | mov                 edx, dword ptr [ebp + 0x14]
            //   52                   | push                edx
            //   6883000000           | push                0x83
            //   e8????????           |                     
            //   83c410               | add                 esp, 0x10
            //   8b4dfc               | mov                 ecx, dword ptr [ebp - 4]

        $sequence_2 = { f3ab 66ab aa c685b8faffff00 b97f000000 33c0 }
            // n = 6, score = 300
            //   f3ab                 | rep stosd           dword ptr es:[edi], eax
            //   66ab                 | stosw               word ptr es:[edi], ax
            //   aa                   | stosb               byte ptr es:[edi], al
            //   c685b8faffff00       | mov                 byte ptr [ebp - 0x548], 0
            //   b97f000000           | mov                 ecx, 0x7f
            //   33c0                 | xor                 eax, eax

        $sequence_3 = { 7549 8b450c 8b08 2b4de4 }
            // n = 4, score = 300
            //   7549                 | jne                 0x4b
            //   8b450c               | mov                 eax, dword ptr [ebp + 0xc]
            //   8b08                 | mov                 ecx, dword ptr [eax]
            //   2b4de4               | sub                 ecx, dword ptr [ebp - 0x1c]

        $sequence_4 = { 50 e8???????? 83c40c 8b4d0c 81e1ff000000 83f901 7528 }
            // n = 7, score = 300
            //   50                   | push                eax
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   8b4d0c               | mov                 ecx, dword ptr [ebp + 0xc]
            //   81e1ff000000         | and                 ecx, 0xff
            //   83f901               | cmp                 ecx, 1
            //   7528                 | jne                 0x2a

        $sequence_5 = { 3945ec 775f 8b4dfc 894df8 8b5510 }
            // n = 5, score = 300
            //   3945ec               | cmp                 dword ptr [ebp - 0x14], eax
            //   775f                 | ja                  0x61
            //   8b4dfc               | mov                 ecx, dword ptr [ebp - 4]
            //   894df8               | mov                 dword ptr [ebp - 8], ecx
            //   8b5510               | mov                 edx, dword ptr [ebp + 0x10]

        $sequence_6 = { 83c410 8b85e0fcffff 50 8d8de4fcffff }
            // n = 4, score = 300
            //   83c410               | add                 esp, 0x10
            //   8b85e0fcffff         | mov                 eax, dword ptr [ebp - 0x320]
            //   50                   | push                eax
            //   8d8de4fcffff         | lea                 ecx, [ebp - 0x31c]

        $sequence_7 = { 50 8b4d0c 034dfc 51 8b55f4 8b4508 8d4c1018 }
            // n = 7, score = 300
            //   50                   | push                eax
            //   8b4d0c               | mov                 ecx, dword ptr [ebp + 0xc]
            //   034dfc               | add                 ecx, dword ptr [ebp - 4]
            //   51                   | push                ecx
            //   8b55f4               | mov                 edx, dword ptr [ebp - 0xc]
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   8d4c1018             | lea                 ecx, [eax + edx + 0x18]

        $sequence_8 = { 6a00 ff9585144000 50 ff95e7144000 }
            // n = 4, score = 100
            //   6a00                 | push                0
            //   ff9585144000         | call                dword ptr [ebp + 0x401485]
            //   50                   | push                eax
            //   ff95e7144000         | call                dword ptr [ebp + 0x4014e7]

        $sequence_9 = { 80bd06faffff39 75d5 6a00 8b8507faffff 50 a1???????? }
            // n = 6, score = 100
            //   80bd06faffff39       | cmp                 byte ptr [ebp - 0x5fa], 0x39
            //   75d5                 | jne                 0xffffffd7
            //   6a00                 | push                0
            //   8b8507faffff         | mov                 eax, dword ptr [ebp - 0x5f9]
            //   50                   | push                eax
            //   a1????????           |                     

        $sequence_10 = { 8d8345010000 50 e8???????? eb21 8d85ecfeffff 50 }
            // n = 6, score = 100
            //   8d8345010000         | lea                 eax, [ebx + 0x145]
            //   50                   | push                eax
            //   e8????????           |                     
            //   eb21                 | jmp                 0x23
            //   8d85ecfeffff         | lea                 eax, [ebp - 0x114]
            //   50                   | push                eax

        $sequence_11 = { fc 8dbd1b164000 b907000000 f3a6 750e 8d95d91d4000 }
            // n = 6, score = 100
            //   fc                   | cld                 
            //   8dbd1b164000         | lea                 edi, [ebp + 0x40161b]
            //   b907000000           | mov                 ecx, 7
            //   f3a6                 | repe cmpsb          byte ptr [esi], byte ptr es:[edi]
            //   750e                 | jne                 0x10
            //   8d95d91d4000         | lea                 edx, [ebp + 0x401dd9]

        $sequence_12 = { ff95c9154000 8d95d81f4000 52 8d95d71e4000 }
            // n = 4, score = 100
            //   ff95c9154000         | call                dword ptr [ebp + 0x4015c9]
            //   8d95d81f4000         | lea                 edx, [ebp + 0x401fd8]
            //   52                   | push                edx
            //   8d95d71e4000         | lea                 edx, [ebp + 0x401ed7]

        $sequence_13 = { 50 8d8594fdffff 50 ff7508 }
            // n = 4, score = 100
            //   50                   | push                eax
            //   8d8594fdffff         | lea                 eax, [ebp - 0x26c]
            //   50                   | push                eax
            //   ff7508               | push                dword ptr [ebp + 8]

        $sequence_14 = { b801000000 c3 33c0 c3 9c }
            // n = 5, score = 100
            //   b801000000           | mov                 eax, 1
            //   c3                   | ret                 
            //   33c0                 | xor                 eax, eax
            //   c3                   | ret                 
            //   9c                   | pushfd              

        $sequence_15 = { e8???????? 8b7c2448 8b542444 8b44244c }
            // n = 4, score = 100
            //   e8????????           |                     
            //   8b7c2448             | mov                 edi, dword ptr [esp + 0x48]
            //   8b542444             | mov                 edx, dword ptr [esp + 0x44]
            //   8b44244c             | mov                 eax, dword ptr [esp + 0x4c]

        $sequence_16 = { 7e08 56 6a00 e8???????? }
            // n = 4, score = 100
            //   7e08                 | jle                 0xa
            //   56                   | push                esi
            //   6a00                 | push                0
            //   e8????????           |                     

        $sequence_17 = { 8b4508 d3e8 240f 3c0a }
            // n = 4, score = 100
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   d3e8                 | shr                 eax, cl
            //   240f                 | and                 al, 0xf
            //   3c0a                 | cmp                 al, 0xa

        $sequence_18 = { c745f7fe000000 83a521feffff00 6a00 6a00 6a00 6a00 8d45f7 }
            // n = 7, score = 100
            //   c745f7fe000000       | mov                 dword ptr [ebp - 9], 0xfe
            //   83a521feffff00       | and                 dword ptr [ebp - 0x1df], 0
            //   6a00                 | push                0
            //   6a00                 | push                0
            //   6a00                 | push                0
            //   6a00                 | push                0
            //   8d45f7               | lea                 eax, [ebp - 9]

        $sequence_19 = { 83c008 ebdb 8b8593234000 83f800 741e 8bbdd31e4000 03bd8f234000 }
            // n = 7, score = 100
            //   83c008               | add                 eax, 8
            //   ebdb                 | jmp                 0xffffffdd
            //   8b8593234000         | mov                 eax, dword ptr [ebp + 0x402393]
            //   83f800               | cmp                 eax, 0
            //   741e                 | je                  0x20
            //   8bbdd31e4000         | mov                 edi, dword ptr [ebp + 0x401ed3]
            //   03bd8f234000         | add                 edi, dword ptr [ebp + 0x40238f]

        $sequence_20 = { ff7508 e8???????? 58 ff30 8d85f4feffff 50 }
            // n = 6, score = 100
            //   ff7508               | push                dword ptr [ebp + 8]
            //   e8????????           |                     
            //   58                   | pop                 eax
            //   ff30                 | push                dword ptr [eax]
            //   8d85f4feffff         | lea                 eax, [ebp - 0x10c]
            //   50                   | push                eax

        $sequence_21 = { 52 8d95d71e4000 52 ff95c9154000 }
            // n = 4, score = 100
            //   52                   | push                edx
            //   8d95d71e4000         | lea                 edx, [ebp + 0x401ed7]
            //   52                   | push                edx
            //   ff95c9154000         | call                dword ptr [ebp + 0x4015c9]

        $sequence_22 = { 8b442408 51 53 50 e8???????? 51 }
            // n = 6, score = 100
            //   8b442408             | mov                 eax, dword ptr [esp + 8]
            //   51                   | push                ecx
            //   53                   | push                ebx
            //   50                   | push                eax
            //   e8????????           |                     
            //   51                   | push                ecx

        $sequence_23 = { 83c304 40 3b4218 75e2 3b4218 }
            // n = 5, score = 100
            //   83c304               | add                 ebx, 4
            //   40                   | inc                 eax
            //   3b4218               | cmp                 eax, dword ptr [edx + 0x18]
            //   75e2                 | jne                 0xffffffe4
            //   3b4218               | cmp                 eax, dword ptr [edx + 0x18]

    condition:
        7 of them and filesize < 1122304
}
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