SYMBOLCOMMON_NAMEaka. SYNONYMS
win.citadel (Back to overview)

Citadel

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References
2021-05-07Department of JusticeOffice of Public Affairs
@online{affairs:20210507:four:8efdc7e, author = {Office of Public Affairs}, title = {{Four Individuals Plead Guilty to RICO Conspiracy Involving “Bulletproof Hosting” for Cybercriminals}}, date = {2021-05-07}, organization = {Department of Justice}, url = {https://www.justice.gov/opa/pr/four-individuals-plead-guilty-rico-conspiracy-involving-bulletproof-hosting-cybercriminals}, language = {English}, urldate = {2021-05-11} } Four Individuals Plead Guilty to RICO Conspiracy Involving “Bulletproof Hosting” for Cybercriminals
Citadel SpyEye Zeus
2020-08-09F5 LabsRemi Cohen, Debbie Walkowski
@online{cohen:20200809:banking:8718999, author = {Remi Cohen and Debbie Walkowski}, title = {{Banking Trojans: A Reference Guide to the Malware Family Tree}}, date = {2020-08-09}, organization = {F5 Labs}, url = {https://www.f5.com/labs/articles/education/banking-trojans-a-reference-guide-to-the-malware-family-tree}, language = {English}, urldate = {2021-06-29} } Banking Trojans: A Reference Guide to the Malware Family Tree
BackSwap Carberp Citadel DanaBot Dridex Dyre Emotet Gozi Kronos PandaBanker Ramnit Shylock SpyEye Tinba TrickBot Vawtrak Zeus
2017-12-11Group-IBGroup-IB
@techreport{groupib:20171211:moneytaker:49776be, author = {Group-IB}, title = {{MoneyTaker 1.5 YEARS OF SILENT OPERATIONS}}, date = {2017-12-11}, institution = {Group-IB}, url = {https://vx-underground.org/archive/APTs/2017/2017.12.11/Money%20Taker.pdf}, language = {English}, urldate = {2021-02-09} } MoneyTaker 1.5 YEARS OF SILENT OPERATIONS
Citadel Kronos Meterpreter
2016-02-19XyliBoxXylitol
@online{xylitol:20160219:citadel:93968a2, author = {Xylitol}, title = {{Citadel 0.0.1.1 (Atmos)}}, date = {2016-02-19}, organization = {XyliBox}, url = {http://www.xylibox.com/2016/02/citadel-0011-atmos.html}, language = {English}, urldate = {2020-01-09} } Citadel 0.0.1.1 (Atmos)
Citadel
2016-02-16JPCERT/CCJPCert
@online{jpcert:20160216:banking:43d5789, author = {JPCert}, title = {{Banking Trojan “Citadel” Returns}}, date = {2016-02-16}, organization = {JPCERT/CC}, url = {http://blog.jpcert.or.jp/2016/02/banking-trojan--27d6.html}, language = {English}, urldate = {2019-12-19} } Banking Trojan “Citadel” Returns
Citadel
2012-11-05MalwarebytesJérôme Segura
@online{segura:20121105:citadel:f1d7f7d, author = {Jérôme Segura}, title = {{Citadel: a cyber-criminal’s ultimate weapon?}}, date = {2012-11-05}, organization = {Malwarebytes}, url = {https://blog.malwarebytes.com/threat-analysis/2012/11/citadel-a-cyber-criminals-ultimate-weapon/}, language = {English}, urldate = {2019-12-20} } Citadel: a cyber-criminal’s ultimate weapon?
Citadel
Yara Rules
[TLP:WHITE] win_citadel_auto (20220411 | Detects win.citadel.)
rule win_citadel_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-04-08"
        version = "1"
        description = "Detects win.citadel."
        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.citadel"
        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 = { eb0e 6800800000 53 57 56 ff15???????? }
            // n = 6, score = 4900
            //   eb0e                 | jmp                 0x10
            //   6800800000           | push                0x8000
            //   53                   | push                ebx
            //   57                   | push                edi
            //   56                   | push                esi
            //   ff15????????         |                     

        $sequence_1 = { e8???????? 8bd0 85d2 741b 8b4d08 }
            // n = 5, score = 4800
            //   e8????????           |                     
            //   8bd0                 | mov                 edx, eax
            //   85d2                 | test                edx, edx
            //   741b                 | je                  0x1d
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]

        $sequence_2 = { ff15???????? 85c0 0f8566010000 57 }
            // n = 4, score = 4800
            //   ff15????????         |                     
            //   85c0                 | test                eax, eax
            //   0f8566010000         | jne                 0x16c
            //   57                   | push                edi

        $sequence_3 = { e8???????? 8b4d08 8bd3 89442414 e8???????? 84c0 }
            // n = 6, score = 4800
            //   e8????????           |                     
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   8bd3                 | mov                 edx, ebx
            //   89442414             | mov                 dword ptr [esp + 0x14], eax
            //   e8????????           |                     
            //   84c0                 | test                al, al

        $sequence_4 = { e8???????? 8b4d08 8bd8 e8???????? 50 51 8bce }
            // n = 7, score = 4800
            //   e8????????           |                     
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   8bd8                 | mov                 ebx, eax
            //   e8????????           |                     
            //   50                   | push                eax
            //   51                   | push                ecx
            //   8bce                 | mov                 ecx, esi

        $sequence_5 = { e8???????? ff74241c e8???????? 807c240f00 }
            // n = 4, score = 4800
            //   e8????????           |                     
            //   ff74241c             | push                dword ptr [esp + 0x1c]
            //   e8????????           |                     
            //   807c240f00           | cmp                 byte ptr [esp + 0xf], 0

        $sequence_6 = { e8???????? 8bf0 85f6 75c1 eb0d 53 83c8ff }
            // n = 7, score = 4800
            //   e8????????           |                     
            //   8bf0                 | mov                 esi, eax
            //   85f6                 | test                esi, esi
            //   75c1                 | jne                 0xffffffc3
            //   eb0d                 | jmp                 0xf
            //   53                   | push                ebx
            //   83c8ff               | or                  eax, 0xffffffff

        $sequence_7 = { ff15???????? 85c0 7504 c6450b01 a1???????? 8b35???????? }
            // n = 6, score = 4800
            //   ff15????????         |                     
            //   85c0                 | test                eax, eax
            //   7504                 | jne                 6
            //   c6450b01             | mov                 byte ptr [ebp + 0xb], 1
            //   a1????????           |                     
            //   8b35????????         |                     

        $sequence_8 = { 8a5608 8a4e02 ffd0 884602 }
            // n = 4, score = 3700
            //   8a5608               | mov                 dl, byte ptr [esi + 8]
            //   8a4e02               | mov                 cl, byte ptr [esi + 2]
            //   ffd0                 | call                eax
            //   884602               | mov                 byte ptr [esi + 2], al

        $sequence_9 = { 8a4e01 ffd0 884601 33c0 6689460c ff4df8 }
            // n = 6, score = 3700
            //   8a4e01               | mov                 cl, byte ptr [esi + 1]
            //   ffd0                 | call                eax
            //   884601               | mov                 byte ptr [esi + 1], al
            //   33c0                 | xor                 eax, eax
            //   6689460c             | mov                 word ptr [esi + 0xc], ax
            //   ff4df8               | dec                 dword ptr [ebp - 8]

        $sequence_10 = { 8845fe c645ff00 763c 8a06 2a45ff }
            // n = 5, score = 3700
            //   8845fe               | mov                 byte ptr [ebp - 2], al
            //   c645ff00             | mov                 byte ptr [ebp - 1], 0
            //   763c                 | jbe                 0x3e
            //   8a06                 | mov                 al, byte ptr [esi]
            //   2a45ff               | sub                 al, byte ptr [ebp - 1]

        $sequence_11 = { 0f8417010000 85ff 0f84dd000000 53 837df800 0f84d1000000 803e00 }
            // n = 7, score = 3700
            //   0f8417010000         | je                  0x11d
            //   85ff                 | test                edi, edi
            //   0f84dd000000         | je                  0xe3
            //   53                   | push                ebx
            //   837df800             | cmp                 dword ptr [ebp - 8], 0
            //   0f84d1000000         | je                  0xd7
            //   803e00               | cmp                 byte ptr [esi], 0

        $sequence_12 = { 33c0 85c0 740b 8a5604 8a4e01 ffd0 884601 }
            // n = 7, score = 3700
            //   33c0                 | xor                 eax, eax
            //   85c0                 | test                eax, eax
            //   740b                 | je                  0xd
            //   8a5604               | mov                 dl, byte ptr [esi + 4]
            //   8a4e01               | mov                 cl, byte ptr [esi + 1]
            //   ffd0                 | call                eax
            //   884601               | mov                 byte ptr [esi + 1], al

        $sequence_13 = { 6685c0 7432 66ff460c 6639460c 7228 8b4610 8a4e05 }
            // n = 7, score = 3700
            //   6685c0               | test                ax, ax
            //   7432                 | je                  0x34
            //   66ff460c             | inc                 word ptr [esi + 0xc]
            //   6639460c             | cmp                 word ptr [esi + 0xc], ax
            //   7228                 | jb                  0x2a
            //   8b4610               | mov                 eax, dword ptr [esi + 0x10]
            //   8a4e05               | mov                 cl, byte ptr [esi + 5]

        $sequence_14 = { fec8 32d0 8ac2 3245fe 85c9 7408 }
            // n = 6, score = 3700
            //   fec8                 | dec                 al
            //   32d0                 | xor                 dl, al
            //   8ac2                 | mov                 al, dl
            //   3245fe               | xor                 al, byte ptr [ebp - 2]
            //   85c9                 | test                ecx, ecx
            //   7408                 | je                  0xa

        $sequence_15 = { ff4df8 47 0f8525ffffff 5b b001 eb30 d0e8 }
            // n = 7, score = 3700
            //   ff4df8               | dec                 dword ptr [ebp - 8]
            //   47                   | inc                 edi
            //   0f8525ffffff         | jne                 0xffffff2b
            //   5b                   | pop                 ebx
            //   b001                 | mov                 al, 1
            //   eb30                 | jmp                 0x32
            //   d0e8                 | shr                 al, 1

    condition:
        7 of them and filesize < 1236992
}
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